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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#nullable disable
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.IO.MemoryMappedFiles;
using System.Linq;
using System.Reflection;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.CSharp.Test.Utilities;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Emit;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.CodeAnalysis.Text;
using Microsoft.DiaSymReader;
using Roslyn.Test.PdbUtilities;
using Roslyn.Test.Utilities;
using Roslyn.Test.Utilities.TestGenerators;
using Roslyn.Utilities;
using TestResources.Analyzers;
using Xunit;
using Basic.Reference.Assemblies;
using static Microsoft.CodeAnalysis.CommonDiagnosticAnalyzers;
using static Roslyn.Test.Utilities.SharedResourceHelpers;
namespace Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests
{
public class CommandLineTests : CommandLineTestBase
{
#if NET
private static readonly string s_CSharpCompilerExecutable;
private static readonly string s_DotnetCscRun;
#else
private static readonly string s_CSharpCompilerExecutable = Path.Combine(
Path.GetDirectoryName(typeof(CommandLineTests).GetTypeInfo().Assembly.Location),
Path.Combine("dependency", "csc.exe"));
private static readonly string s_DotnetCscRun = ExecutionConditionUtil.IsMono ? "mono" : string.Empty;
#endif
private static readonly string s_CSharpScriptExecutable;
private static readonly string s_compilerVersion = CommonCompiler.GetProductVersion(typeof(CommandLineTests));
static CommandLineTests()
{
#if NET
var cscDllPath = Path.Combine(
Path.GetDirectoryName(typeof(CommandLineTests).GetTypeInfo().Assembly.Location),
Path.Combine("dependency", "csc.dll"));
var dotnetExe = DotNetCoreSdk.ExePath;
var netStandardDllPath = AppDomain.CurrentDomain.GetAssemblies()
.FirstOrDefault(assembly => !assembly.IsDynamic && assembly.Location.EndsWith("netstandard.dll")).Location;
var netStandardDllDir = Path.GetDirectoryName(netStandardDllPath);
// Since we are using references based on the UnitTest's runtime, we need to use
// its runtime config when executing out program.
var runtimeConfigPath = Path.ChangeExtension(Assembly.GetExecutingAssembly().Location, "runtimeconfig.json");
s_CSharpCompilerExecutable = $@"""{dotnetExe}"" ""{cscDllPath}"" /r:""{netStandardDllPath}"" /r:""{netStandardDllDir}/System.Private.CoreLib.dll"" /r:""{netStandardDllDir}/System.Console.dll"" /r:""{netStandardDllDir}/System.Runtime.dll""";
s_DotnetCscRun = $@"""{dotnetExe}"" exec --runtimeconfig ""{runtimeConfigPath}""";
s_CSharpScriptExecutable = s_CSharpCompilerExecutable.Replace("csc.dll", Path.Combine("csi", "csi.dll"));
#else
s_CSharpScriptExecutable = s_CSharpCompilerExecutable.Replace("csc.exe", Path.Combine("csi", "csi.exe"));
#endif
}
private class TestCommandLineParser : CSharpCommandLineParser
{
private readonly Dictionary<string, string> _responseFiles;
private readonly Dictionary<string, string[]> _recursivePatterns;
private readonly Dictionary<string, string[]> _patterns;
public TestCommandLineParser(
Dictionary<string, string> responseFiles = null,
Dictionary<string, string[]> patterns = null,
Dictionary<string, string[]> recursivePatterns = null,
bool isInteractive = false)
: base(isInteractive)
{
_responseFiles = responseFiles;
_recursivePatterns = recursivePatterns;
_patterns = patterns;
}
internal override IEnumerable<string> EnumerateFiles(string directory,
string fileNamePattern,
SearchOption searchOption)
{
var key = directory + "|" + fileNamePattern;
if (searchOption == SearchOption.TopDirectoryOnly)
{
return _patterns[key];
}
else
{
return _recursivePatterns[key];
}
}
internal override TextReader CreateTextFileReader(string fullPath)
{
return new StringReader(_responseFiles[fullPath]);
}
}
private CSharpCommandLineArguments ScriptParse(IEnumerable<string> args, string baseDirectory)
{
return CSharpCommandLineParser.Script.Parse(args, baseDirectory, SdkDirectory);
}
private CSharpCommandLineArguments FullParse(string commandLine, string baseDirectory, string sdkDirectory = null, string additionalReferenceDirectories = null)
{
sdkDirectory = sdkDirectory ?? SdkDirectory;
var args = CommandLineParser.SplitCommandLineIntoArguments(commandLine, removeHashComments: true);
return CSharpCommandLineParser.Default.Parse(args, baseDirectory, sdkDirectory, additionalReferenceDirectories);
}
[ConditionalFact(typeof(WindowsDesktopOnly))]
[WorkItem(34101, "https://github.com/dotnet/roslyn/issues/34101")]
public void SuppressedWarnAsErrorsStillEmit()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
#pragma warning disable 1591
public class P {
public static void Main() {}
}");
const string docName = "doc.xml";
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/errorlog:errorlog", $"/doc:{docName}", "/warnaserror", src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
string exePath = Path.Combine(dir.Path, "temp.exe");
Assert.True(File.Exists(exePath));
var result = ProcessUtilities.Run(exePath, arguments: "");
Assert.Equal(0, result.ExitCode);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = ConditionalSkipReason.TestExecutionNeedsWindowsTypes)]
public void XmlMemoryMapped()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("class C {}");
const string docName = "doc.xml";
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/t:library", "/preferreduilang:en", $"/doc:{docName}", src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
var xmlPath = Path.Combine(dir.Path, docName);
using (var fileStream = new FileStream(xmlPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var mmf = MemoryMappedFile.CreateFromFile(fileStream, "xmlMap", 0, MemoryMappedFileAccess.Read, HandleInheritability.None, leaveOpen: true))
{
exitCode = cmd.Run(outWriter);
Assert.StartsWith($"error CS0016: Could not write to output file '{xmlPath}' -- ", outWriter.ToString());
Assert.Equal(1, exitCode);
}
}
[Fact]
public void SimpleAnalyzerConfig()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
int _f;
}");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
dotnet_diagnostic.cs0169.severity = none");
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:library",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path });
Assert.Equal(analyzerConfig.Path, Assert.Single(cmd.Arguments.AnalyzerConfigPaths));
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
Assert.Null(cmd.AnalyzerOptions);
}
[Theory, CombinatorialData, WorkItem("https://github.com/dotnet/roslyn/issues/72657")]
public void AnalyzerConfig_DoubleSlash(bool doubleSlashAnalyzerConfig, bool doubleSlashSource)
{
var dir = Temp.CreateDirectory();
var analyzer = new CompilationAnalyzerWithSeverity(DiagnosticSeverity.Warning, configurable: true);
var src = dir.CreateFile("Class1.cs").WriteAllText("""
public class C
{
public void M() { }
}
""");
// The analyzer should produce a warning.
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, analyzers: [analyzer], expectedWarningCount: 1);
AssertEx.Equal("Class1.cs(1,1): warning ID1000:", output.Trim());
// But not when this editorconfig is applied.
var editorconfig = dir.CreateFile(".editorconfig").WriteAllText("""
root = true
[*.cs]
dotnet_analyzer_diagnostic.severity = none
generated_code = true
""");
var cmd = CreateCSharpCompiler(
[
"/nologo",
"/preferreduilang:en",
"/t:library",
"/analyzerconfig:" + modifyPath(editorconfig.Path, doubleSlashAnalyzerConfig),
modifyPath(src.Path, doubleSlashSource),
],
[analyzer]);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
AssertEx.Equal("", outWriter.ToString());
static string modifyPath(string path, bool doubleSlash)
{
if (!doubleSlash)
{
return path;
}
// Find the second-to-last slash.
char[] separators = ['/', '\\'];
var lastSlashIndex = path.LastIndexOfAny(separators);
lastSlashIndex = path.LastIndexOfAny(separators, lastSlashIndex - 1);
// Duplicate that slash.
var lastSlash = path[lastSlashIndex];
return path[0..lastSlashIndex] + lastSlash + path[lastSlashIndex..];
}
}
[Fact]
public void AnalyzerConfigWithOptions()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
int _f;
}");
var additionalFile = dir.CreateFile("file.txt");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
dotnet_diagnostic.cs0169.severity = none
dotnet_diagnostic.Warning01.severity = none
my_option = my_val
[*.txt]
dotnet_diagnostic.cs0169.severity = none
my_option2 = my_val2");
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:library",
"/analyzerconfig:" + analyzerConfig.Path,
"/analyzer:" + Assembly.GetExecutingAssembly().Location,
"/nowarn:8032",
"/additionalfile:" + additionalFile.Path,
src.Path });
Assert.Equal(analyzerConfig.Path, Assert.Single(cmd.Arguments.AnalyzerConfigPaths));
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal("", outWriter.ToString());
Assert.Equal(0, exitCode);
var comp = cmd.Compilation;
var tree = comp.SyntaxTrees.Single();
var compilerTreeOptions = comp.Options.SyntaxTreeOptionsProvider;
Assert.True(compilerTreeOptions.TryGetDiagnosticValue(tree, "cs0169", CancellationToken.None, out var severity));
Assert.Equal(ReportDiagnostic.Suppress, severity);
Assert.True(compilerTreeOptions.TryGetDiagnosticValue(tree, "warning01", CancellationToken.None, out severity));
Assert.Equal(ReportDiagnostic.Suppress, severity);
var analyzerOptions = cmd.AnalyzerOptions.AnalyzerConfigOptionsProvider;
var options = analyzerOptions.GetOptions(tree);
Assert.NotNull(options);
Assert.True(options.TryGetValue("my_option", out string val));
Assert.Equal("my_val", val);
Assert.False(options.TryGetValue("my_option2", out _));
Assert.False(options.TryGetValue("dotnet_diagnostic.cs0169.severity", out _));
options = analyzerOptions.GetOptions(cmd.AnalyzerOptions.AdditionalFiles.Single());
Assert.NotNull(options);
Assert.True(options.TryGetValue("my_option2", out val));
Assert.Equal("my_val2", val);
Assert.False(options.TryGetValue("my_option", out _));
Assert.False(options.TryGetValue("dotnet_diagnostic.cs0169.severity", out _));
}
[Fact]
public void AnalyzerConfigBadSeverity()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
int _f;
}");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
dotnet_diagnostic.cs0169.severity = garbage");
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:library",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path });
Assert.Equal(analyzerConfig.Path, Assert.Single(cmd.Arguments.AnalyzerConfigPaths));
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal(
$@"warning InvalidSeverityInAnalyzerConfig: The diagnostic 'cs0169' was given an invalid severity 'garbage' in the analyzer config file at '{analyzerConfig.Path}'.
test.cs(4,9): warning CS0169: The field 'C._f' is never used
", outWriter.ToString());
Assert.Null(cmd.AnalyzerOptions);
}
[Fact]
public void AnalyzerConfigsInSameDir()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
int _f;
}");
var configText = @"
[*.cs]
dotnet_diagnostic.cs0169.severity = suppress";
var analyzerConfig1 = dir.CreateFile("analyzerconfig1").WriteAllText(configText);
var analyzerConfig2 = dir.CreateFile("analyzerconfig2").WriteAllText(configText);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:library",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig1.Path,
"/analyzerconfig:" + analyzerConfig2.Path,
src.Path
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal(
$"error CS8700: Multiple analyzer config files cannot be in the same directory ('{dir.Path}').",
outWriter.ToString().TrimEnd());
}
// This test should only run when the machine's default encoding is shift-JIS
[ConditionalFact(typeof(WindowsDesktopOnly), typeof(HasShiftJisDefaultEncoding), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void CompileShiftJisOnShiftJis()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("sjis.cs").WriteAllBytes(TestResources.General.ShiftJisSource);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", src.Path });
Assert.Null(cmd.Arguments.Encoding);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
var result = ProcessUtilities.Run(Path.Combine(dir.Path, "sjis.exe"), arguments: "", workingDirectory: dir.Path);
Assert.Equal(0, result.ExitCode);
Assert.Equal("星野 八郎太", File.ReadAllText(Path.Combine(dir.Path, "output.txt"), Encoding.GetEncoding(932)));
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void RunWithShiftJisFile()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("sjis.cs").WriteAllBytes(TestResources.General.ShiftJisSource);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/codepage:932", src.Path });
Assert.Equal(932, cmd.Arguments.Encoding?.WindowsCodePage);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
var result = ProcessUtilities.Run(Path.Combine(dir.Path, "sjis.exe"), arguments: "", workingDirectory: dir.Path);
Assert.Equal(0, result.ExitCode);
Assert.Equal("星野 八郎太", File.ReadAllText(Path.Combine(dir.Path, "output.txt"), Encoding.GetEncoding(932)));
}
[WorkItem(946954, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/946954")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void CompilerBinariesAreAnyCPU()
{
#pragma warning disable SYSLIB0037
// warning SYSLIB0037: 'AssemblyName.ProcessorArchitecture' is obsolete: 'AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.'
Assert.Equal(ProcessorArchitecture.MSIL, AssemblyName.GetAssemblyName(s_CSharpCompilerExecutable).ProcessorArchitecture);
#pragma warning restore SYSLIB0037
}
[Fact]
public void ResponseFiles1()
{
string rsp = Temp.CreateFile().WriteAllText(@"
/r:System.dll
/nostdlib
# this is ignored
System.Console.WriteLine(""*?""); # this is error
a.cs
").Path;
var cmd = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { "b.cs" });
cmd.Arguments.Errors.Verify(
// error CS2001: Source file 'System.Console.WriteLine(*?);' could not be found
Diagnostic(ErrorCode.ERR_FileNotFound).WithArguments("System.Console.WriteLine(*?);"));
AssertEx.Equal(new[] { "System.dll" }, cmd.Arguments.MetadataReferences.Select(r => r.Reference));
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "a.cs"), Path.Combine(WorkingDirectory, "b.cs") }, cmd.Arguments.SourceFiles.Select(file => file.Path));
CleanupAllGeneratedFiles(rsp);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = ConditionalSkipReason.TestExecutionNeedsWindowsTypes)]
public void ResponseFiles_RelativePaths()
{
var parentDir = Temp.CreateDirectory();
var baseDir = parentDir.CreateDirectory("temp");
var dirX = baseDir.CreateDirectory("x");
var dirAB = baseDir.CreateDirectory("a b");
var dirSubDir = baseDir.CreateDirectory("subdir");
var dirGoo = parentDir.CreateDirectory("goo");
var dirBar = parentDir.CreateDirectory("bar");
string basePath = baseDir.Path;
Func<string, string> prependBasePath = fileName => Path.Combine(basePath, fileName);
var parser = new TestCommandLineParser(responseFiles: new Dictionary<string, string>()
{
{ prependBasePath(@"a.rsp"), @"
""@subdir\b.rsp""
/r:..\v4.0.30319\System.dll
/r:.\System.Data.dll
a.cs @""..\c.rsp"" @\d.rsp
/libpaths:..\goo;../bar;""a b""
"
},
{ Path.Combine(dirSubDir.Path, @"b.rsp"), @"
b.cs
"
},
{ prependBasePath(@"..\c.rsp"), @"
c.cs /lib:x
"
},
{ Path.Combine(Path.GetPathRoot(basePath), @"d.rsp"), @"
# comment
d.cs
"
}
}, isInteractive: false);
var args = parser.Parse(new[] { "first.cs", "second.cs", "@a.rsp", "last.cs" }, basePath, SdkDirectory);
args.Errors.Verify();
Assert.False(args.IsScriptRunner);
string[] resolvedSourceFiles = args.SourceFiles.Select(f => f.Path).ToArray();
string[] references = args.MetadataReferences.Select(r => r.Reference).ToArray();
AssertEx.Equal(new[] { "first.cs", "second.cs", "b.cs", "a.cs", "c.cs", "d.cs", "last.cs" }.Select(prependBasePath), resolvedSourceFiles);
AssertEx.Equal(new[] { typeof(object).Assembly.Location, @"..\v4.0.30319\System.dll", @".\System.Data.dll" }, references);
AssertEx.Equal(new[] { RuntimeEnvironment.GetRuntimeDirectory() }.Concat(new[] { @"x", @"..\goo", @"../bar", @"a b" }.Select(prependBasePath)), args.ReferencePaths.ToArray());
Assert.Equal(basePath, args.BaseDirectory);
}
#nullable enable
[ConditionalFact(typeof(WindowsOnly))]
public void NullBaseDirectoryNotAddedToKeyFileSearchPaths()
{
var parser = CSharpCommandLineParser.Default.Parse(new[] { "c:/test.cs" }, baseDirectory: null, SdkDirectory);
AssertEx.Equal(ImmutableArray.Create<string>(), parser.KeyFileSearchPaths);
Assert.Null(parser.OutputDirectory);
parser.Errors.Verify(
// error CS8762: Output directory could not be determined
Diagnostic(ErrorCode.ERR_NoOutputDirectory).WithLocation(1, 1)
);
}
[ConditionalFact(typeof(WindowsOnly))]
public void NullBaseDirectoryWithAdditionalFiles()
{
var parser = CSharpCommandLineParser.Default.Parse(new[] { "/additionalfile:web.config", "c:/test.cs" }, baseDirectory: null, SdkDirectory);
AssertEx.Equal(ImmutableArray.Create<string>(), parser.KeyFileSearchPaths);
Assert.Null(parser.OutputDirectory);
parser.Errors.Verify(
// error CS2021: File name 'web.config' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("web.config").WithLocation(1, 1),
// error CS8762: Output directory could not be determined
Diagnostic(ErrorCode.ERR_NoOutputDirectory).WithLocation(1, 1)
);
}
[ConditionalFact(typeof(WindowsOnly))]
public void NullBaseDirectoryWithAdditionalFiles_Wildcard()
{
var parser = CSharpCommandLineParser.Default.Parse(new[] { "/additionalfile:*", "c:/test.cs" }, baseDirectory: null, SdkDirectory);
AssertEx.Equal(ImmutableArray.Create<string>(), parser.KeyFileSearchPaths);
Assert.Null(parser.OutputDirectory);
parser.Errors.Verify(
// error CS2001: Source file '*' could not be found.
Diagnostic(ErrorCode.ERR_FileNotFound).WithArguments("*").WithLocation(1, 1),
// error CS8762: Output directory could not be determined
Diagnostic(ErrorCode.ERR_NoOutputDirectory).WithLocation(1, 1)
);
}
#nullable disable
[Fact, WorkItem(29252, "https://github.com/dotnet/roslyn/issues/29252")]
public void NoSdkPath()
{
var parentDir = Temp.CreateDirectory();
var parser = CSharpCommandLineParser.Default.Parse(new[] { "file.cs", $"-out:{parentDir.Path}", "/noSdkPath" }, parentDir.Path, null);
AssertEx.Equal(ImmutableArray<string>.Empty, parser.ReferencePaths);
}
[Fact, WorkItem(29252, "https://github.com/dotnet/roslyn/issues/29252")]
public void NoSdkPathReferenceSystemDll()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/nosdkpath", "/r:System.dll", "a.cs" });
var exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS0006: Metadata file 'System.dll' could not be found", outWriter.ToString().Trim());
}
[ConditionalFact(typeof(WindowsOnly))]
public void SourceFiles_Patterns()
{
var parser = new TestCommandLineParser(
patterns: new Dictionary<string, string[]>()
{
{ @"C:\temp|*.cs", new[] { "a.cs", "b.cs", "c.cs" } }
},
recursivePatterns: new Dictionary<string, string[]>()
{
{ @"C:\temp\a|*.cs", new[] { @"a\x.cs", @"a\b\b.cs", @"a\c.cs" } },
});
var args = parser.Parse(new[] { @"*.cs", @"/recurse:a\*.cs" }, @"C:\temp", SdkDirectory);
args.Errors.Verify();
string[] resolvedSourceFiles = args.SourceFiles.Select(f => f.Path).ToArray();
AssertEx.Equal(new[] { @"C:\temp\a.cs", @"C:\temp\b.cs", @"C:\temp\c.cs", @"C:\temp\a\x.cs", @"C:\temp\a\b\b.cs", @"C:\temp\a\c.cs" }, resolvedSourceFiles);
}
[Fact]
public void ParseQuotedMainType()
{
// Verify the main switch are unquoted when used because of the issue with
// MSBuild quoting some usages and not others. A quote character is not valid in either
// these names.
CSharpCommandLineArguments args;
var folder = Temp.CreateDirectory();
CreateFile(folder, "a.cs");
args = DefaultParse(new[] { "/main:Test", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("Test", args.CompilationOptions.MainTypeName);
args = DefaultParse(new[] { "/main:\"Test\"", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("Test", args.CompilationOptions.MainTypeName);
args = DefaultParse(new[] { "/main:\"Test.Class1\"", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("Test.Class1", args.CompilationOptions.MainTypeName);
args = DefaultParse(new[] { "/m:Test", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("Test", args.CompilationOptions.MainTypeName);
args = DefaultParse(new[] { "/m:\"Test\"", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("Test", args.CompilationOptions.MainTypeName);
args = DefaultParse(new[] { "/m:\"Test.Class1\"", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("Test.Class1", args.CompilationOptions.MainTypeName);
// Use of Cyrillic namespace
args = DefaultParse(new[] { "/m:\"решения.Class1\"", "a.cs" }, folder.Path);
args.Errors.Verify();
Assert.Equal("решения.Class1", args.CompilationOptions.MainTypeName);
}
[Fact]
[WorkItem(21508, "https://github.com/dotnet/roslyn/issues/21508")]
public void ArgumentStartWithDashAndContainingSlash()
{
CSharpCommandLineArguments args;
var folder = Temp.CreateDirectory();
args = DefaultParse(new[] { "-debug+/debug:portable" }, folder.Path);
args.Errors.Verify(
// error CS2007: Unrecognized option: '-debug+/debug:portable'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("-debug+/debug:portable").WithLocation(1, 1),
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1)
);
}
[WorkItem(546009, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546009")]
[WorkItem(545991, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545991")]
[ConditionalFact(typeof(WindowsOnly))]
public void SourceFiles_Patterns2()
{
var folder = Temp.CreateDirectory();
CreateFile(folder, "a.cs");
CreateFile(folder, "b.vb");
CreateFile(folder, "c.cpp");
var folderA = folder.CreateDirectory("A");
CreateFile(folderA, "A_a.cs");
CreateFile(folderA, "A_b.cs");
CreateFile(folderA, "A_c.vb");
var folderB = folder.CreateDirectory("B");
CreateFile(folderB, "B_a.cs");
CreateFile(folderB, "B_b.vb");
CreateFile(folderB, "B_c.cpx");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, folder.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", @"/recurse:.", "/out:abc.dll" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2008: No source files specified.", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, folder.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", @"/recurse:. ", "/out:abc.dll" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2008: No source files specified.", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, folder.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", @"/recurse: . ", "/out:abc.dll" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2008: No source files specified.", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, folder.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", @"/recurse:././.", "/out:abc.dll" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2008: No source files specified.", outWriter.ToString().Trim());
CSharpCommandLineArguments args;
string[] resolvedSourceFiles;
args = DefaultParse(new[] { @"/recurse:*.cp*", @"/recurse:a\*.c*", @"/out:a.dll" }, folder.Path);
args.Errors.Verify();
resolvedSourceFiles = args.SourceFiles.Select(f => f.Path).ToArray();
AssertEx.Equal(new[] { folder.Path + @"\c.cpp", folder.Path + @"\B\B_c.cpx", folder.Path + @"\a\A_a.cs", folder.Path + @"\a\A_b.cs", }, resolvedSourceFiles);
args = DefaultParse(new[] { @"/recurse:.\\\\\\*.cs", @"/out:a.dll" }, folder.Path);
args.Errors.Verify();
resolvedSourceFiles = args.SourceFiles.Select(f => f.Path).ToArray();
Assert.Equal(4, resolvedSourceFiles.Length);
args = DefaultParse(new[] { @"/recurse:.////*.cs", @"/out:a.dll" }, folder.Path);
args.Errors.Verify();
resolvedSourceFiles = args.SourceFiles.Select(f => f.Path).ToArray();
Assert.Equal(4, resolvedSourceFiles.Length);
}
[ConditionalFact(typeof(WindowsOnly))]
public void SourceFile_BadPath()
{
var args = DefaultParse(new[] { @"e:c:\test\test.cs", "/t:library" }, WorkingDirectory);
Assert.Equal(3, args.Errors.Length);
Assert.Equal((int)ErrorCode.FTL_InvalidInputFileName, args.Errors[0].Code);
Assert.Equal((int)ErrorCode.WRN_NoSources, args.Errors[1].Code);
Assert.Equal((int)ErrorCode.ERR_OutputNeedsName, args.Errors[2].Code);
}
private void CreateFile(TempDirectory folder, string file)
{
var f = folder.CreateFile(file);
f.WriteAllText("");
}
[Fact, WorkItem(546023, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546023")]
public void Win32ResourceArguments()
{
string[] args = new string[]
{
@"/win32manifest:..\here\there\everywhere\nonexistent"
};
var parsedArgs = DefaultParse(args, WorkingDirectory);
var compilation = CreateCompilation(new SyntaxTree[0]);
IEnumerable<DiagnosticInfo> errors;
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_CantOpenWin32Manifest, errors.First().Code);
Assert.Equal(2, errors.First().Arguments.Count());
args = new string[]
{
@"/Win32icon:\bogus"
};
parsedArgs = DefaultParse(args, WorkingDirectory);
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_CantOpenIcon, errors.First().Code);
Assert.Equal(2, errors.First().Arguments.Count());
args = new string[]
{
@"/Win32Res:\bogus"
};
parsedArgs = DefaultParse(args, WorkingDirectory);
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_CantOpenWin32Res, errors.First().Code);
Assert.Equal(2, errors.First().Arguments.Count());
args = new string[]
{
@"/Win32Res:goo.win32data:bar.win32data2"
};
parsedArgs = DefaultParse(args, WorkingDirectory);
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_CantOpenWin32Res, errors.First().Code);
Assert.Equal(2, errors.First().Arguments.Count());
args = new string[]
{
@"/Win32icon:goo.win32data:bar.win32data2"
};
parsedArgs = DefaultParse(args, WorkingDirectory);
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_CantOpenIcon, errors.First().Code);
Assert.Equal(2, errors.First().Arguments.Count());
args = new string[]
{
@"/Win32manifest:goo.win32data:bar.win32data2"
};
parsedArgs = DefaultParse(args, WorkingDirectory);
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_CantOpenWin32Manifest, errors.First().Code);
Assert.Equal(2, errors.First().Arguments.Count());
}
[Fact]
public void Win32ResConflicts()
{
var parsedArgs = DefaultParse(new[] { "/win32res:goo", "/win32icon:goob", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_CantHaveWin32ResAndIcon, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "/win32res:goo", "/win32manifest:goob", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_CantHaveWin32ResAndManifest, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "/win32res:", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_NoFileSpec, parsedArgs.Errors.First().Code);
Assert.Equal(1, parsedArgs.Errors.First().Arguments.Count);
parsedArgs = DefaultParse(new[] { "/win32Icon: ", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_NoFileSpec, parsedArgs.Errors.First().Code);
Assert.Equal(1, parsedArgs.Errors.First().Arguments.Count);
parsedArgs = DefaultParse(new[] { "/win32Manifest:", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_NoFileSpec, parsedArgs.Errors.First().Code);
Assert.Equal(1, parsedArgs.Errors.First().Arguments.Count);
parsedArgs = DefaultParse(new[] { "/win32Manifest:goo", "/noWin32Manifest", "a.cs" }, WorkingDirectory);
Assert.Equal(0, parsedArgs.Errors.Length);
Assert.True(parsedArgs.NoWin32Manifest);
Assert.Null(parsedArgs.Win32Manifest);
}
[Fact]
public void Win32ResInvalid()
{
var parsedArgs = DefaultParse(new[] { "/win32res", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/win32res"));
parsedArgs = DefaultParse(new[] { "/win32res+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/win32res+"));
parsedArgs = DefaultParse(new[] { "/win32icon", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/win32icon"));
parsedArgs = DefaultParse(new[] { "/win32icon+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/win32icon+"));
parsedArgs = DefaultParse(new[] { "/win32manifest", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/win32manifest"));
parsedArgs = DefaultParse(new[] { "/win32manifest+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/win32manifest+"));
}
[Fact]
public void Win32IconContainsGarbage()
{
string tmpFileName = Temp.CreateFile().WriteAllBytes(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }).Path;
var parsedArgs = DefaultParse(new[] { "/win32icon:" + tmpFileName, "a.cs" }, WorkingDirectory);
var compilation = CreateCompilation(new SyntaxTree[0]);
IEnumerable<DiagnosticInfo> errors;
CSharpCompiler.GetWin32ResourcesInternal(StandardFileSystem.Instance, MessageProvider.Instance, parsedArgs, compilation, out errors);
Assert.Equal(1, errors.Count());
Assert.Equal((int)ErrorCode.ERR_ErrorBuildingWin32Resources, errors.First().Code);
Assert.Equal(1, errors.First().Arguments.Count());
CleanupAllGeneratedFiles(tmpFileName);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void Win32ResQuotes()
{
string[] responseFile = new string[] {
@" /win32res:d:\\""abc def""\a""b c""d\a.res",
};
CSharpCommandLineArguments args = DefaultParse(CSharpCommandLineParser.ParseResponseLines(responseFile), @"c:\");
Assert.Equal(@"d:\abc def\ab cd\a.res", args.Win32ResourceFile);
responseFile = new string[] {
@" /win32icon:d:\\""abc def""\a""b c""d\a.ico",
};
args = DefaultParse(CSharpCommandLineParser.ParseResponseLines(responseFile), @"c:\");
Assert.Equal(@"d:\abc def\ab cd\a.ico", args.Win32Icon);
responseFile = new string[] {
@" /win32manifest:d:\\""abc def""\a""b c""d\a.manifest",
};
args = DefaultParse(CSharpCommandLineParser.ParseResponseLines(responseFile), @"c:\");
Assert.Equal(@"d:\abc def\ab cd\a.manifest", args.Win32Manifest);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ParseResources()
{
var diags = new List<Diagnostic>();
ResourceDescription desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar", WorkingDirectory, diags, embedded: false);
Assert.Equal(0, diags.Count);
Assert.Equal(@"someFile.goo.bar", desc.FileName);
Assert.Equal("someFile.goo.bar", desc.ResourceName);
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,someName", WorkingDirectory, diags, embedded: false);
Assert.Equal(0, diags.Count);
Assert.Equal(@"someFile.goo.bar", desc.FileName);
Assert.Equal("someName", desc.ResourceName);
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\s""ome Fil""e.goo.bar,someName", WorkingDirectory, diags, embedded: false);
Assert.Equal(0, diags.Count);
Assert.Equal(@"some File.goo.bar", desc.FileName);
Assert.Equal("someName", desc.ResourceName);
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,""some Name"",public", WorkingDirectory, diags, embedded: false);
Assert.Equal(0, diags.Count);
Assert.Equal(@"someFile.goo.bar", desc.FileName);
Assert.Equal("some Name", desc.ResourceName);
Assert.True(desc.IsPublic);
// Use file name in place of missing resource name.
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,,private", WorkingDirectory, diags, embedded: false);
Assert.Equal(0, diags.Count);
Assert.Equal(@"someFile.goo.bar", desc.FileName);
Assert.Equal("someFile.goo.bar", desc.ResourceName);
Assert.False(desc.IsPublic);
// Quoted accessibility is fine.
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,,""private""", WorkingDirectory, diags, embedded: false);
Assert.Equal(0, diags.Count);
Assert.Equal(@"someFile.goo.bar", desc.FileName);
Assert.Equal("someFile.goo.bar", desc.ResourceName);
Assert.False(desc.IsPublic);
// Leading commas are not ignored...
desc = CSharpCommandLineParser.ParseResourceDescription("", @",,\somepath\someFile.goo.bar,,private", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS1906: Invalid option '\somepath\someFile.goo.bar'; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(@"\somepath\someFile.goo.bar"));
diags.Clear();
Assert.Null(desc);
// ...even if there's whitespace between them.
desc = CSharpCommandLineParser.ParseResourceDescription("", @", ,\somepath\someFile.goo.bar,,private", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS1906: Invalid option '\somepath\someFile.goo.bar'; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(@"\somepath\someFile.goo.bar"));
diags.Clear();
Assert.Null(desc);
// Trailing commas are ignored...
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,,private", WorkingDirectory, diags, embedded: false);
diags.Verify();
diags.Clear();
Assert.Equal("someFile.goo.bar", desc.FileName);
Assert.Equal("someFile.goo.bar", desc.ResourceName);
Assert.False(desc.IsPublic);
// ...even if there's whitespace between them.
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,,private, ,", WorkingDirectory, diags, embedded: false);
diags.Verify();
diags.Clear();
Assert.Equal("someFile.goo.bar", desc.FileName);
Assert.Equal("someFile.goo.bar", desc.ResourceName);
Assert.False(desc.IsPublic);
desc = CSharpCommandLineParser.ParseResourceDescription("", @"\somepath\someFile.goo.bar,someName,publi", WorkingDirectory, diags, embedded: false);
diags.Verify(Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments("publi"));
Assert.Null(desc);
diags.Clear();
desc = CSharpCommandLineParser.ParseResourceDescription("", @"D:rive\relative\path,someName,public", WorkingDirectory, diags, embedded: false);
diags.Verify(Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"D:rive\relative\path"));
Assert.Null(desc);
diags.Clear();
desc = CSharpCommandLineParser.ParseResourceDescription("", @"inva\l*d?path,someName,public", WorkingDirectory, diags, embedded: false);
diags.Verify(Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"inva\l*d?path"));
Assert.Null(desc);
diags.Clear();
desc = CSharpCommandLineParser.ParseResourceDescription("", (string)null, WorkingDirectory, diags, embedded: false);
diags.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments(""));
Assert.Null(desc);
diags.Clear();
desc = CSharpCommandLineParser.ParseResourceDescription("", "", WorkingDirectory, diags, embedded: false);
diags.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments(""));
Assert.Null(desc);
diags.Clear();
desc = CSharpCommandLineParser.ParseResourceDescription("", " ", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS2005: Missing file specification for '' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("").WithLocation(1, 1));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", " , ", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS2005: Missing file specification for '' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("").WithLocation(1, 1));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", "path, ", WorkingDirectory, diags, embedded: false);
diags.Verify();
diags.Clear();
Assert.Equal("path", desc.FileName);
Assert.Equal("path", desc.ResourceName);
Assert.True(desc.IsPublic);
desc = CSharpCommandLineParser.ParseResourceDescription("", " ,name", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS2005: Missing file specification for '' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("").WithLocation(1, 1));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", " , , ", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS1906: Invalid option ' '; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(" "));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", "path, , ", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS1906: Invalid option ' '; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(" "));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", " ,name, ", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS1906: Invalid option ' '; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(" "));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", " , ,private", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS2005: Missing file specification for '' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("").WithLocation(1, 1));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", "path,name,", WorkingDirectory, diags, embedded: false);
diags.Verify(
// CONSIDER: Dev10 actually prints "Invalid option '|'" (note the pipe)
// error CS1906: Invalid option ''; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(""));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", "path,name,,", WorkingDirectory, diags, embedded: false);
diags.Verify(
// CONSIDER: Dev10 actually prints "Invalid option '|'" (note the pipe)
// error CS1906: Invalid option ''; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(""));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", "path,name, ", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS1906: Invalid option ''; Resource visibility must be either 'public' or 'private'
Diagnostic(ErrorCode.ERR_BadResourceVis).WithArguments(" "));
diags.Clear();
Assert.Null(desc);
desc = CSharpCommandLineParser.ParseResourceDescription("", "path, ,private", WorkingDirectory, diags, embedded: false);
diags.Verify();
diags.Clear();
Assert.Equal("path", desc.FileName);
Assert.Equal("path", desc.ResourceName);
Assert.False(desc.IsPublic);
desc = CSharpCommandLineParser.ParseResourceDescription("", " ,name,private", WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS2005: Missing file specification for '' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("").WithLocation(1, 1));
diags.Clear();
Assert.Null(desc);
var longE = new String('e', 1024);
desc = CSharpCommandLineParser.ParseResourceDescription("", String.Format("path,{0},private", longE), WorkingDirectory, diags, embedded: false);
diags.Verify(); // Now checked during emit.
diags.Clear();
Assert.Equal("path", desc.FileName);
Assert.Equal(longE, desc.ResourceName);
Assert.False(desc.IsPublic);
var longI = new String('i', 260);
desc = CSharpCommandLineParser.ParseResourceDescription("", String.Format("{0},e,private", longI), WorkingDirectory, diags, embedded: false);
diags.Verify(
// error CS2021: File name 'iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii").WithLocation(1, 1));
}
[Fact]
public void ManagedResourceOptions()
{
CSharpCommandLineArguments parsedArgs;
ResourceDescription resourceDescription;
parsedArgs = DefaultParse(new[] { "/resource:a", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
resourceDescription = parsedArgs.ManifestResources.Single();
Assert.Null(resourceDescription.FileName); // since embedded
Assert.Equal("a", resourceDescription.ResourceName);
parsedArgs = DefaultParse(new[] { "/res:b", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
resourceDescription = parsedArgs.ManifestResources.Single();
Assert.Null(resourceDescription.FileName); // since embedded
Assert.Equal("b", resourceDescription.ResourceName);
parsedArgs = DefaultParse(new[] { "/linkresource:c", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
resourceDescription = parsedArgs.ManifestResources.Single();
Assert.Equal("c", resourceDescription.FileName);
Assert.Equal("c", resourceDescription.ResourceName);
parsedArgs = DefaultParse(new[] { "/linkres:d", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
resourceDescription = parsedArgs.ManifestResources.Single();
Assert.Equal("d", resourceDescription.FileName);
Assert.Equal("d", resourceDescription.ResourceName);
}
[Fact]
public void ManagedResourceOptions_SimpleErrors()
{
var parsedArgs = DefaultParse(new[] { "/resource:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/resource:"));
parsedArgs = DefaultParse(new[] { "/resource: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/resource:"));
parsedArgs = DefaultParse(new[] { "/res", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/res"));
parsedArgs = DefaultParse(new[] { "/RES+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/RES+"));
parsedArgs = DefaultParse(new[] { "/res-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/res-:"));
parsedArgs = DefaultParse(new[] { "/linkresource:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/linkresource:"));
parsedArgs = DefaultParse(new[] { "/linkresource: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/linkresource:"));
parsedArgs = DefaultParse(new[] { "/linkres", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/linkres"));
parsedArgs = DefaultParse(new[] { "/linkRES+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/linkRES+"));
parsedArgs = DefaultParse(new[] { "/linkres-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/linkres-:"));
}
[Fact]
public void Link_SimpleTests()
{
var parsedArgs = DefaultParse(new[] { "/link:a", "/link:b,,,,c", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "a", "b", "c" },
parsedArgs.MetadataReferences.
Where((res) => res.Properties.EmbedInteropTypes).
Select((res) => res.Reference));
parsedArgs = DefaultParse(new[] { "/Link: ,,, b ,,", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { " b " },
parsedArgs.MetadataReferences.
Where((res) => res.Properties.EmbedInteropTypes).
Select((res) => res.Reference));
parsedArgs = DefaultParse(new[] { "/l:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/l:"));
parsedArgs = DefaultParse(new[] { "/L", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/L"));
parsedArgs = DefaultParse(new[] { "/l+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/l+"));
parsedArgs = DefaultParse(new[] { "/link-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/link-:"));
}
[ConditionalFact(typeof(WindowsOnly))]
public void Recurse_SimpleTests()
{
var dir = Temp.CreateDirectory();
var file1 = dir.CreateFile("a.cs");
var file2 = dir.CreateFile("b.cs");
var file3 = dir.CreateFile("c.txt");
var file4 = dir.CreateDirectory("d1").CreateFile("d.txt");
var file5 = dir.CreateDirectory("d2").CreateFile("e.cs");
file1.WriteAllText("");
file2.WriteAllText("");
file3.WriteAllText("");
file4.WriteAllText("");
file5.WriteAllText("");
var parsedArgs = DefaultParse(new[] { "/recurse:" + dir.ToString() + "\\*.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "{DIR}\\a.cs", "{DIR}\\b.cs", "{DIR}\\d2\\e.cs" },
parsedArgs.SourceFiles.Select((file) => file.Path.Replace(dir.ToString(), "{DIR}")));
parsedArgs = DefaultParse(new[] { "*.cs" }, dir.ToString());
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "{DIR}\\a.cs", "{DIR}\\b.cs" },
parsedArgs.SourceFiles.Select((file) => file.Path.Replace(dir.ToString(), "{DIR}")));
parsedArgs = DefaultParse(new[] { "/reCURSE:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/reCURSE:"));
parsedArgs = DefaultParse(new[] { "/RECURSE: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/RECURSE:"));
parsedArgs = DefaultParse(new[] { "/recurse", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/recurse"));
parsedArgs = DefaultParse(new[] { "/recurse+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/recurse+"));
parsedArgs = DefaultParse(new[] { "/recurse-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/recurse-:"));
CleanupAllGeneratedFiles(file1.Path);
CleanupAllGeneratedFiles(file2.Path);
CleanupAllGeneratedFiles(file3.Path);
CleanupAllGeneratedFiles(file4.Path);
CleanupAllGeneratedFiles(file5.Path);
}
[Fact]
public void Reference_SimpleTests()
{
var parsedArgs = DefaultParse(new[] { "/nostdlib", "/r:a", "/REFERENCE:b,,,,c", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "a", "b", "c" },
parsedArgs.MetadataReferences.
Where((res) => !res.Properties.EmbedInteropTypes).
Select((res) => res.Reference));
parsedArgs = DefaultParse(new[] { "/Reference: ,,, b ,,", "/nostdlib", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { " b " },
parsedArgs.MetadataReferences.
Where((res) => !res.Properties.EmbedInteropTypes).
Select((res) => res.Reference));
parsedArgs = DefaultParse(new[] { "/Reference:a=b,,,", "/nostdlib", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("a", parsedArgs.MetadataReferences.Single().Properties.Aliases.Single());
Assert.Equal("b", parsedArgs.MetadataReferences.Single().Reference);
parsedArgs = DefaultParse(new[] { "/r:a=b,,,c", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_OneAliasPerReference));
parsedArgs = DefaultParse(new[] { "/r:1=b", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadExternIdentifier).WithArguments("1"));
parsedArgs = DefaultParse(new[] { "/r:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/r:"));
parsedArgs = DefaultParse(new[] { "/R", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/R"));
parsedArgs = DefaultParse(new[] { "/reference+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/reference+"));
parsedArgs = DefaultParse(new[] { "/reference-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/reference-:"));
}
[Fact]
public void Target_SimpleTests()
{
var parsedArgs = DefaultParse(new[] { "/target:exe", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.ConsoleApplication, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/t:module", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.NetModule, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:library", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.DynamicallyLinkedLibrary, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/TARGET:winexe", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.WindowsApplication, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:appcontainerexe", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.WindowsRuntimeApplication, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:winmdobj", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.WindowsRuntimeMetadata, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:winexe", "/T:exe", "/target:module", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OutputKind.NetModule, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/t", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/t"));
parsedArgs = DefaultParse(new[] { "/target:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_InvalidTarget));
parsedArgs = DefaultParse(new[] { "/target:xyz", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_InvalidTarget));
parsedArgs = DefaultParse(new[] { "/T+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/T+"));
parsedArgs = DefaultParse(new[] { "/TARGET-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/TARGET-:"));
}
[Fact]
public void Target_SimpleTestsNoSource()
{
var parsedArgs = DefaultParse(new[] { "/target:exe" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.ConsoleApplication, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/t:module" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.NetModule, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:library" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.DynamicallyLinkedLibrary, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/TARGET:winexe" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.WindowsApplication, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:appcontainerexe" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.WindowsRuntimeApplication, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:winmdobj" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.WindowsRuntimeMetadata, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/target:winexe", "/T:exe", "/target:module" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
Assert.Equal(OutputKind.NetModule, parsedArgs.CompilationOptions.OutputKind);
parsedArgs = DefaultParse(new[] { "/t" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/t'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/t").WithLocation(1, 1),
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { "/target:" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2019: Invalid target type for /target: must specify 'exe', 'winexe', 'library', or 'module'
Diagnostic(ErrorCode.FTL_InvalidTarget).WithLocation(1, 1),
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { "/target:xyz" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2019: Invalid target type for /target: must specify 'exe', 'winexe', 'library', or 'module'
Diagnostic(ErrorCode.FTL_InvalidTarget).WithLocation(1, 1),
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { "/T+" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/T+'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/T+").WithLocation(1, 1),
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { "/TARGET-:" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/TARGET-:'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/TARGET-:").WithLocation(1, 1),
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1));
}
[Fact]
public void ModuleManifest()
{
CSharpCommandLineArguments args = DefaultParse(new[] { "/win32manifest:blah", "/target:module", "a.cs" }, WorkingDirectory);
args.Errors.Verify(
// warning CS1927: Ignoring /win32manifest for module because it only applies to assemblies
Diagnostic(ErrorCode.WRN_CantHaveManifestForModule));
// Illegal, but not clobbered.
Assert.Equal("blah", args.Win32Manifest);
}
// The following test is failing in the Linux Debug test leg of CI.
// This issue is being tracked by https://github.com/dotnet/roslyn/issues/58077
[ConditionalFact(typeof(WindowsOrMacOSOnly))]
public void ArgumentParsing()
{
var sdkDirectory = SdkDirectory;
var parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "a + b" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "a + b; c" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/help" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.DisplayHelp);
Assert.False(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/version" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.DisplayVersion);
Assert.False(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/langversion:?" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.DisplayLangVersions);
Assert.False(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "//langversion:?" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify(
// error CS2001: Source file '//langversion:?' could not be found.
Diagnostic(ErrorCode.ERR_FileNotFound).WithArguments("//langversion:?").WithLocation(1, 1)
);
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/version", "c.csx" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.DisplayVersion);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/version:something" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.DisplayVersion);
Assert.False(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/?" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.DisplayHelp);
Assert.False(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "c.csx /langversion:6" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/langversion:-1", "c.csx", }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify(
// error CS1617: Invalid option '-1' for /langversion. Use '/langversion:?' to list supported values.
Diagnostic(ErrorCode.ERR_BadCompatMode).WithArguments("-1").WithLocation(1, 1));
Assert.False(parsedArgs.DisplayHelp);
Assert.Equal(1, parsedArgs.SourceFiles.Length);
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "c.csx /r:s=d /r:d.dll" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "@roslyn_test_non_existing_file" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify(
// error CS2011: Error opening response file 'D:\R0\Main\Binaries\Debug\dd'
Diagnostic(ErrorCode.ERR_OpenResponseFile).WithArguments(Path.Combine(WorkingDirectory, @"roslyn_test_non_existing_file")));
Assert.False(parsedArgs.DisplayHelp);
Assert.False(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "c /define:DEBUG" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "\\" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/r:d.dll", "c.csx" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/define:goo", "c.csx" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/define:goo'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/define:goo"));
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "\"/r d.dll\"" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
parsedArgs = CSharpCommandLineParser.Script.Parse(new[] { "/r: d.dll", "a.cs" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.DisplayHelp);
Assert.True(parsedArgs.SourceFiles.Any());
}
[Theory]
[InlineData("iso-1", LanguageVersion.CSharp1)]
[InlineData("iso-2", LanguageVersion.CSharp2)]
[InlineData("1", LanguageVersion.CSharp1)]
[InlineData("1.0", LanguageVersion.CSharp1)]
[InlineData("2", LanguageVersion.CSharp2)]
[InlineData("2.0", LanguageVersion.CSharp2)]
[InlineData("3", LanguageVersion.CSharp3)]
[InlineData("3.0", LanguageVersion.CSharp3)]
[InlineData("4", LanguageVersion.CSharp4)]
[InlineData("4.0", LanguageVersion.CSharp4)]
[InlineData("5", LanguageVersion.CSharp5)]
[InlineData("5.0", LanguageVersion.CSharp5)]
[InlineData("6", LanguageVersion.CSharp6)]
[InlineData("6.0", LanguageVersion.CSharp6)]
[InlineData("7", LanguageVersion.CSharp7)]
[InlineData("7.0", LanguageVersion.CSharp7)]
[InlineData("7.1", LanguageVersion.CSharp7_1)]
[InlineData("7.2", LanguageVersion.CSharp7_2)]
[InlineData("7.3", LanguageVersion.CSharp7_3)]
[InlineData("8", LanguageVersion.CSharp8)]
[InlineData("8.0", LanguageVersion.CSharp8)]
[InlineData("9", LanguageVersion.CSharp9)]
[InlineData("9.0", LanguageVersion.CSharp9)]
[InlineData("preview", LanguageVersion.Preview)]
public void LangVersion_CanParseCorrectVersions(string value, LanguageVersion expectedVersion)
{
var parsedArgs = DefaultParse(new[] { $"/langversion:{value}", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(expectedVersion, parsedArgs.ParseOptions.LanguageVersion);
Assert.Equal(expectedVersion, parsedArgs.ParseOptions.SpecifiedLanguageVersion);
var scriptParsedArgs = ScriptParse(new[] { $"/langversion:{value}" }, WorkingDirectory);
scriptParsedArgs.Errors.Verify();
Assert.Equal(expectedVersion, scriptParsedArgs.ParseOptions.LanguageVersion);
Assert.Equal(expectedVersion, scriptParsedArgs.ParseOptions.SpecifiedLanguageVersion);
}
[Theory]
[InlineData("6", "7", LanguageVersion.CSharp7)]
[InlineData("7", "6", LanguageVersion.CSharp6)]
[InlineData("7", "1", LanguageVersion.CSharp1)]
[InlineData("6", "iso-1", LanguageVersion.CSharp1)]
[InlineData("6", "iso-2", LanguageVersion.CSharp2)]
[InlineData("6", "default", LanguageVersion.Default)]
[InlineData("7", "default", LanguageVersion.Default)]
[InlineData("iso-2", "6", LanguageVersion.CSharp6)]
public void LangVersion_LatterVersionOverridesFormerOne(string formerValue, string latterValue, LanguageVersion expectedVersion)
{
var parsedArgs = DefaultParse(new[] { $"/langversion:{formerValue}", $"/langversion:{latterValue}", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(expectedVersion, parsedArgs.ParseOptions.SpecifiedLanguageVersion);
}
[Fact]
public void LangVersion_DefaultMapsCorrectly()
{
LanguageVersion defaultEffectiveVersion = LanguageVersion.Default.MapSpecifiedToEffectiveVersion();
Assert.NotEqual(LanguageVersion.Default, defaultEffectiveVersion);
var parsedArgs = DefaultParse(new[] { "/langversion:default", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(LanguageVersion.Default, parsedArgs.ParseOptions.SpecifiedLanguageVersion);
Assert.Equal(defaultEffectiveVersion, parsedArgs.ParseOptions.LanguageVersion);
}
[Fact]
public void LangVersion_LatestMapsCorrectly()
{
LanguageVersion latestEffectiveVersion = LanguageVersion.Latest.MapSpecifiedToEffectiveVersion();
Assert.NotEqual(LanguageVersion.Latest, latestEffectiveVersion);
var parsedArgs = DefaultParse(new[] { "/langversion:latest", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(LanguageVersion.Latest, parsedArgs.ParseOptions.SpecifiedLanguageVersion);
Assert.Equal(latestEffectiveVersion, parsedArgs.ParseOptions.LanguageVersion);
}
[Fact]
public void LangVersion_NoValueSpecified()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(LanguageVersion.Default, parsedArgs.ParseOptions.SpecifiedLanguageVersion);
}
[Theory]
[InlineData("iso-3")]
[InlineData("iso1")]
[InlineData("8.1")]
[InlineData("10.1")]
[InlineData("14")]
[InlineData("1000")]
public void LangVersion_BadVersion(string value)
{
DefaultParse(new[] { $"/langversion:{value}", "a.cs" }, WorkingDirectory).Errors.Verify(
// error CS1617: Invalid option 'XXX' for /langversion. Use '/langversion:?' to list supported values.
Diagnostic(ErrorCode.ERR_BadCompatMode).WithArguments(value).WithLocation(1, 1)
);
}
[Theory]
[InlineData("0")]
[InlineData("05")]
[InlineData("07")]
[InlineData("07.1")]
[InlineData("08")]
[InlineData("09")]
public void LangVersion_LeadingZeroes(string value)
{
DefaultParse(new[] { $"/langversion:{value}", "a.cs" }, WorkingDirectory).Errors.Verify(
// error CS8303: Specified language version 'XXX' cannot have leading zeroes
Diagnostic(ErrorCode.ERR_LanguageVersionCannotHaveLeadingZeroes).WithArguments(value).WithLocation(1, 1));
}
[Theory]
[InlineData("/langversion")]
[InlineData("/langversion:")]
[InlineData("/LANGversion:")]
public void LangVersion_NoVersion(string option)
{
DefaultParse(new[] { option, "a.cs" }, WorkingDirectory).Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for '/langversion:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/langversion:").WithLocation(1, 1));
}
[Fact]
public void LangVersion_LangVersions()
{
var args = DefaultParse(new[] { "/langversion:?" }, WorkingDirectory);
args.Errors.Verify(
// warning CS2008: No source files specified.
Diagnostic(ErrorCode.WRN_NoSources).WithLocation(1, 1),
// error CS1562: Outputs without source must have the /out option specified
Diagnostic(ErrorCode.ERR_OutputNeedsName).WithLocation(1, 1)
);
Assert.True(args.DisplayLangVersions);
}
[Fact]
public void LanguageVersionAdded_Canary()
{
// When a new version is added, this test will break. This list must be checked:
// - update the "UpgradeProject" codefixer
// - update all the tests that call this canary
// - update MaxSupportedLangVersion (a relevant test should break when new version is introduced)
// - email release management to add to the release notes (see old example: https://github.com/dotnet/core/pull/1454)
AssertEx.SetEqual(new[] { "default", "1", "2", "3", "4", "5", "6", "7.0", "7.1", "7.2", "7.3", "8.0", "9.0", "10.0", "11.0", "12.0", "13.0", "latest", "latestmajor", "preview" },
Enum.GetValues(typeof(LanguageVersion)).Cast<LanguageVersion>().Select(v => v.ToDisplayString()));
// For minor versions and new major versions, the format should be "x.y", such as "7.1"
}
[Fact]
public void LanguageVersion_GetErrorCode()
{
var versions = Enum.GetValues(typeof(LanguageVersion))
.Cast<LanguageVersion>()
.Except(new[] {
LanguageVersion.Default,
LanguageVersion.Latest,
LanguageVersion.LatestMajor,
LanguageVersion.Preview
})
.Select(v => v.GetErrorCode());
var errorCodes = new[]
{
ErrorCode.ERR_FeatureNotAvailableInVersion1,
ErrorCode.ERR_FeatureNotAvailableInVersion2,
ErrorCode.ERR_FeatureNotAvailableInVersion3,
ErrorCode.ERR_FeatureNotAvailableInVersion4,
ErrorCode.ERR_FeatureNotAvailableInVersion5,
ErrorCode.ERR_FeatureNotAvailableInVersion6,
ErrorCode.ERR_FeatureNotAvailableInVersion7,
ErrorCode.ERR_FeatureNotAvailableInVersion7_1,
ErrorCode.ERR_FeatureNotAvailableInVersion7_2,
ErrorCode.ERR_FeatureNotAvailableInVersion7_3,
ErrorCode.ERR_FeatureNotAvailableInVersion8,
ErrorCode.ERR_FeatureNotAvailableInVersion9,
ErrorCode.ERR_FeatureNotAvailableInVersion10,
ErrorCode.ERR_FeatureNotAvailableInVersion11,
ErrorCode.ERR_FeatureNotAvailableInVersion12,
ErrorCode.ERR_FeatureNotAvailableInVersion13,
};
AssertEx.SetEqual(versions, errorCodes);
// The canary check is a reminder that this test needs to be updated when a language version is added
LanguageVersionAdded_Canary();
}
[Theory,
InlineData(LanguageVersion.CSharp1, LanguageVersion.CSharp1),
InlineData(LanguageVersion.CSharp2, LanguageVersion.CSharp2),
InlineData(LanguageVersion.CSharp3, LanguageVersion.CSharp3),
InlineData(LanguageVersion.CSharp4, LanguageVersion.CSharp4),
InlineData(LanguageVersion.CSharp5, LanguageVersion.CSharp5),
InlineData(LanguageVersion.CSharp6, LanguageVersion.CSharp6),
InlineData(LanguageVersion.CSharp7, LanguageVersion.CSharp7),
InlineData(LanguageVersion.CSharp7_1, LanguageVersion.CSharp7_1),
InlineData(LanguageVersion.CSharp7_2, LanguageVersion.CSharp7_2),
InlineData(LanguageVersion.CSharp7_3, LanguageVersion.CSharp7_3),
InlineData(LanguageVersion.CSharp8, LanguageVersion.CSharp8),
InlineData(LanguageVersion.CSharp9, LanguageVersion.CSharp9),
InlineData(LanguageVersion.CSharp10, LanguageVersion.CSharp10),
InlineData(LanguageVersion.CSharp11, LanguageVersion.CSharp11),
InlineData(LanguageVersion.CSharp12, LanguageVersion.CSharp12),
InlineData(LanguageVersion.CSharp13, LanguageVersion.CSharp13),
InlineData(LanguageVersion.CSharp13, LanguageVersion.LatestMajor),
InlineData(LanguageVersion.CSharp13, LanguageVersion.Latest),
InlineData(LanguageVersion.CSharp13, LanguageVersion.Default),
InlineData(LanguageVersion.Preview, LanguageVersion.Preview),
]
public void LanguageVersion_MapSpecifiedToEffectiveVersion(LanguageVersion expectedMappedVersion, LanguageVersion input)
{
Assert.Equal(expectedMappedVersion, input.MapSpecifiedToEffectiveVersion());
Assert.True(expectedMappedVersion.IsValid());
// The canary check is a reminder that this test needs to be updated when a language version is added
LanguageVersionAdded_Canary();
}
[Theory,
InlineData("iso-1", true, LanguageVersion.CSharp1),
InlineData("ISO-1", true, LanguageVersion.CSharp1),
InlineData("iso-2", true, LanguageVersion.CSharp2),
InlineData("1", true, LanguageVersion.CSharp1),
InlineData("1.0", true, LanguageVersion.CSharp1),
InlineData("2", true, LanguageVersion.CSharp2),
InlineData("2.0", true, LanguageVersion.CSharp2),
InlineData("3", true, LanguageVersion.CSharp3),
InlineData("3.0", true, LanguageVersion.CSharp3),
InlineData("4", true, LanguageVersion.CSharp4),
InlineData("4.0", true, LanguageVersion.CSharp4),
InlineData("5", true, LanguageVersion.CSharp5),
InlineData("5.0", true, LanguageVersion.CSharp5),
InlineData("05", false, LanguageVersion.Default),
InlineData("6", true, LanguageVersion.CSharp6),
InlineData("6.0", true, LanguageVersion.CSharp6),
InlineData("7", true, LanguageVersion.CSharp7),
InlineData("7.0", true, LanguageVersion.CSharp7),
InlineData("07", false, LanguageVersion.Default),
InlineData("7.1", true, LanguageVersion.CSharp7_1),
InlineData("7.2", true, LanguageVersion.CSharp7_2),
InlineData("7.3", true, LanguageVersion.CSharp7_3),
InlineData("8", true, LanguageVersion.CSharp8),
InlineData("8.0", true, LanguageVersion.CSharp8),
InlineData("9", true, LanguageVersion.CSharp9),
InlineData("9.0", true, LanguageVersion.CSharp9),
InlineData("10", true, LanguageVersion.CSharp10),
InlineData("10.0", true, LanguageVersion.CSharp10),
InlineData("11", true, LanguageVersion.CSharp11),
InlineData("11.0", true, LanguageVersion.CSharp11),
InlineData("12", true, LanguageVersion.CSharp12),
InlineData("12.0", true, LanguageVersion.CSharp12),
InlineData("13", true, LanguageVersion.CSharp13),
InlineData("13.0", true, LanguageVersion.CSharp13),
InlineData("08", false, LanguageVersion.Default),
InlineData("07.1", false, LanguageVersion.Default),
InlineData("default", true, LanguageVersion.Default),
InlineData("latest", true, LanguageVersion.Latest),
InlineData("latestmajor", true, LanguageVersion.LatestMajor),
InlineData("preview", true, LanguageVersion.Preview),
InlineData("latestpreview", false, LanguageVersion.Default),
InlineData(null, true, LanguageVersion.Default),
InlineData("bad", false, LanguageVersion.Default)]
public void LanguageVersion_TryParseDisplayString(string input, bool success, LanguageVersion expected)
{
Assert.Equal(success, LanguageVersionFacts.TryParse(input, out var version));
Assert.Equal(expected, version);
// The canary check is a reminder that this test needs to be updated when a language version is added
LanguageVersionAdded_Canary();
}
[Fact]
public void LanguageVersion_TryParseTurkishDisplayString()
{
var originalCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = new CultureInfo("tr-TR", useUserOverride: false);
Assert.True(LanguageVersionFacts.TryParse("ISO-1", out var version));
Assert.Equal(LanguageVersion.CSharp1, version);
Thread.CurrentThread.CurrentCulture = originalCulture;
}
[Fact]
public void LangVersion_ListLangVersions()
{
var dir = Temp.CreateDirectory();
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/langversion:?" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var expected = Enum.GetValues(typeof(LanguageVersion)).Cast<LanguageVersion>()
.Select(v => v.ToDisplayString());
var actual = outWriter.ToString();
var acceptableSurroundingChar = new[] { '\r', '\n', '(', ')', ' ' };
foreach (var version in expected)
{
if (version == "latest")
continue;
var foundIndex = actual.IndexOf(version);
Assert.True(foundIndex > 0, $"Missing version '{version}'");
Assert.True(Array.IndexOf(acceptableSurroundingChar, actual[foundIndex - 1]) >= 0);
Assert.True(Array.IndexOf(acceptableSurroundingChar, actual[foundIndex + version.Length]) >= 0);
}
}
[Fact]
[WorkItem(546961, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546961")]
public void Define()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
Assert.Equal(0, parsedArgs.ParseOptions.PreprocessorSymbolNames.Count());
Assert.False(parsedArgs.Errors.Any());
parsedArgs = DefaultParse(new[] { "/d:GOO", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.ParseOptions.PreprocessorSymbolNames.Count());
Assert.Contains("GOO", parsedArgs.ParseOptions.PreprocessorSymbolNames);
Assert.False(parsedArgs.Errors.Any());
parsedArgs = DefaultParse(new[] { "/d:GOO;BAR,ZIP", "a.cs" }, WorkingDirectory);
Assert.Equal(3, parsedArgs.ParseOptions.PreprocessorSymbolNames.Count());
Assert.Contains("GOO", parsedArgs.ParseOptions.PreprocessorSymbolNames);
Assert.Contains("BAR", parsedArgs.ParseOptions.PreprocessorSymbolNames);
Assert.Contains("ZIP", parsedArgs.ParseOptions.PreprocessorSymbolNames);
Assert.False(parsedArgs.Errors.Any());
parsedArgs = DefaultParse(new[] { "/d:GOO;4X", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.ParseOptions.PreprocessorSymbolNames.Count());
Assert.Contains("GOO", parsedArgs.ParseOptions.PreprocessorSymbolNames);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.WRN_DefineIdentifierRequired, parsedArgs.Errors.First().Code);
Assert.Equal("4X", parsedArgs.Errors.First().Arguments[0]);
IEnumerable<Diagnostic> diagnostics;
// The docs say /d:def1[;def2]
string compliant = "def1;def2;def3";
var expected = new[] { "def1", "def2", "def3" };
var parsed = CSharpCommandLineParser.ParseConditionalCompilationSymbols(compliant, out diagnostics);
diagnostics.Verify();
Assert.Equal<string>(expected, parsed);
// Bug 17360: Dev11 allows for a terminating semicolon
var dev11Compliant = "def1;def2;def3;";
parsed = CSharpCommandLineParser.ParseConditionalCompilationSymbols(dev11Compliant, out diagnostics);
diagnostics.Verify();
Assert.Equal<string>(expected, parsed);
// And comma
dev11Compliant = "def1,def2,def3,";
parsed = CSharpCommandLineParser.ParseConditionalCompilationSymbols(dev11Compliant, out diagnostics);
diagnostics.Verify();
Assert.Equal<string>(expected, parsed);
// This breaks everything
var nonCompliant = "def1;;def2;";
parsed = CSharpCommandLineParser.ParseConditionalCompilationSymbols(nonCompliant, out diagnostics);
diagnostics.Verify(
// warning CS2029: Invalid name for a preprocessing symbol; '' is not a valid identifier
Diagnostic(ErrorCode.WRN_DefineIdentifierRequired).WithArguments(""));
Assert.Equal(new[] { "def1", "def2" }, parsed);
// Bug 17360
parsedArgs = DefaultParse(new[] { "/d:public1;public2;", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
}
[Fact]
public void Debug()
{
var platformPdbKind = PathUtilities.IsUnixLikePlatform ? DebugInformationFormat.PortablePdb : DebugInformationFormat.Pdb;
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.False(parsedArgs.EmitPdb);
Assert.False(parsedArgs.EmitPdbFile);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.False(parsedArgs.EmitPdb);
Assert.False(parsedArgs.EmitPdbFile);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.True(parsedArgs.EmitPdbFile);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.True(parsedArgs.EmitPdbFile);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug+", "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.False(parsedArgs.EmitPdb);
Assert.False(parsedArgs.EmitPdbFile);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug:full", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug:FULL", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
Assert.Equal(Path.Combine(WorkingDirectory, "a.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
parsedArgs = DefaultParse(new[] { "/debug:pdbonly", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug:portable", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(DebugInformationFormat.PortablePdb, parsedArgs.EmitOptions.DebugInformationFormat);
Assert.Equal(Path.Combine(WorkingDirectory, "a.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
parsedArgs = DefaultParse(new[] { "/debug:embedded", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(DebugInformationFormat.Embedded, parsedArgs.EmitOptions.DebugInformationFormat);
Assert.Equal(Path.Combine(WorkingDirectory, "a.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
parsedArgs = DefaultParse(new[] { "/debug:PDBONLY", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug:full", "/debug:pdbonly", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(parsedArgs.EmitOptions.DebugInformationFormat, platformPdbKind);
parsedArgs = DefaultParse(new[] { "/debug:pdbonly", "/debug:full", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(platformPdbKind, parsedArgs.EmitOptions.DebugInformationFormat);
parsedArgs = DefaultParse(new[] { "/debug:pdbonly", "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.False(parsedArgs.EmitPdb);
Assert.Equal(platformPdbKind, parsedArgs.EmitOptions.DebugInformationFormat);
parsedArgs = DefaultParse(new[] { "/debug:pdbonly", "/debug-", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(platformPdbKind, parsedArgs.EmitOptions.DebugInformationFormat);
parsedArgs = DefaultParse(new[] { "/debug:pdbonly", "/debug-", "/debug+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(platformPdbKind, parsedArgs.EmitOptions.DebugInformationFormat);
parsedArgs = DefaultParse(new[] { "/debug:embedded", "/debug-", "/debug+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.True(parsedArgs.EmitPdb);
Assert.Equal(DebugInformationFormat.Embedded, parsedArgs.EmitOptions.DebugInformationFormat);
parsedArgs = DefaultParse(new[] { "/debug:embedded", "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.DebugPlusMode);
Assert.False(parsedArgs.EmitPdb);
Assert.Equal(DebugInformationFormat.Embedded, parsedArgs.EmitOptions.DebugInformationFormat);
parsedArgs = DefaultParse(new[] { "/debug:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "debug"));
parsedArgs = DefaultParse(new[] { "/debug:+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadDebugType).WithArguments("+"));
parsedArgs = DefaultParse(new[] { "/debug:invalid", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadDebugType).WithArguments("invalid"));
parsedArgs = DefaultParse(new[] { "/debug-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/debug-:"));
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void Pdb()
{
var parsedArgs = DefaultParse(new[] { "/pdb:something", "a.cs" }, WorkingDirectory);
Assert.Equal(Path.Combine(WorkingDirectory, "something.pdb"), parsedArgs.PdbPath);
Assert.Equal(Path.Combine(WorkingDirectory, "something.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
Assert.False(parsedArgs.EmitPdbFile);
parsedArgs = DefaultParse(new[] { "/pdb:something", "/debug:embedded", "a.cs" }, WorkingDirectory);
Assert.Equal(Path.Combine(WorkingDirectory, "something.pdb"), parsedArgs.PdbPath);
Assert.Equal(Path.Combine(WorkingDirectory, "something.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
Assert.False(parsedArgs.EmitPdbFile);
parsedArgs = DefaultParse(new[] { "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.PdbPath);
Assert.True(parsedArgs.EmitPdbFile);
Assert.Equal(Path.Combine(WorkingDirectory, "a.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
parsedArgs = DefaultParse(new[] { "/pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/pdb"));
Assert.Equal(Path.Combine(WorkingDirectory, "a.pdb"), parsedArgs.GetPdbFilePath("a.dll"));
parsedArgs = DefaultParse(new[] { "/pdb:", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/pdb:"));
parsedArgs = DefaultParse(new[] { "/pdb:something", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
// temp: path changed
//parsedArgs = DefaultParse(new[] { "/debug", "/pdb:.x", "a.cs" }, baseDirectory);
//parsedArgs.Errors.Verify(
// // error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
// Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".x"));
parsedArgs = DefaultParse(new[] { @"/pdb:""""", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2005: Missing file specification for '/pdb:""' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments(@"/pdb:""""").WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { "/pdb:C:\\", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("C:\\"));
// Should preserve fully qualified paths
parsedArgs = DefaultParse(new[] { @"/pdb:C:\MyFolder\MyPdb.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\MyFolder\MyPdb.pdb", parsedArgs.PdbPath);
// Should preserve fully qualified paths
parsedArgs = DefaultParse(new[] { @"/pdb:c:\MyPdb.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"c:\MyPdb.pdb", parsedArgs.PdbPath);
parsedArgs = DefaultParse(new[] { @"/pdb:\MyFolder\MyPdb.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(Path.GetPathRoot(WorkingDirectory), @"MyFolder\MyPdb.pdb"), parsedArgs.PdbPath);
// Should handle quotes
parsedArgs = DefaultParse(new[] { @"/pdb:""C:\My Folder\MyPdb.pdb""", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\My Folder\MyPdb.pdb", parsedArgs.PdbPath);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/pdb:MyPdb.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(FileUtilities.ResolveRelativePath("MyPdb.pdb", WorkingDirectory), parsedArgs.PdbPath);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/pdb:..\MyPdb.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
// Temp: Path info changed
// Assert.Equal(FileUtilities.ResolveRelativePath("MyPdb.pdb", "..\\", baseDirectory), parsedArgs.PdbPath);
parsedArgs = DefaultParse(new[] { @"/pdb:\\b", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"\\b"));
Assert.Null(parsedArgs.PdbPath);
parsedArgs = DefaultParse(new[] { @"/pdb:\\b\OkFileName.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"\\b\OkFileName.pdb"));
Assert.Null(parsedArgs.PdbPath);
parsedArgs = DefaultParse(new[] { @"/pdb:\\server\share\MyPdb.pdb", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"\\server\share\MyPdb.pdb", parsedArgs.PdbPath);
// invalid name:
parsedArgs = DefaultParse(new[] { "/pdb:a.b\0b", "/debug", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a.b\0b"));
Assert.Null(parsedArgs.PdbPath);
parsedArgs = DefaultParse(new[] { "/pdb:a\uD800b.pdb", "/debug", "a.cs" }, WorkingDirectory);
//parsedArgs.Errors.Verify(
// Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a\uD800b.pdb"));
Assert.Null(parsedArgs.PdbPath);
// Dev11 reports CS0016: Could not write to output file 'd:\Temp\q\a<>.z'
parsedArgs = DefaultParse(new[] { @"/pdb:""a<>.pdb""", "a.vb" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'a<>.pdb' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a<>.pdb"));
Assert.Null(parsedArgs.PdbPath);
parsedArgs = DefaultParse(new[] { "/pdb:.x", "/debug", "a.cs" }, WorkingDirectory);
//parsedArgs.Errors.Verify(
// // error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
// Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".x"));
Assert.Null(parsedArgs.PdbPath);
}
[Fact]
public void SourceLink()
{
var parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "/debug:portable", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "sl.json"), parsedArgs.SourceLink);
parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "/debug:embedded", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "sl.json"), parsedArgs.SourceLink);
parsedArgs = DefaultParse(new[] { @"/sourcelink:""s l.json""", "/debug:embedded", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "s l.json"), parsedArgs.SourceLink);
parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "/debug:full", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "/debug:pdbonly", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SourceLinkRequiresPdb));
parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "/debug+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/sourcelink:sl.json", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SourceLinkRequiresPdb));
}
[Fact]
public void SourceLink_EndToEnd_EmbeddedPortable()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(@"class C { public static void Main() {} }");
var sl = dir.CreateFile("sl.json");
sl.WriteAllText(@"{ ""documents"" : {} }"{ ""documents"" : {} }");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/debug:embedded", "/sourcelink:sl.json", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var peStream = File.OpenRead(Path.Combine(dir.Path, "a.exe"));
using (var peReader = new PEReader(peStream))
{
var entry = peReader.ReadDebugDirectory().Single(e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);
using (var mdProvider = peReader.ReadEmbeddedPortablePdbDebugDirectoryData(entry))
{
var blob = mdProvider.GetMetadataReader().GetSourceLinkBlob();
AssertEx.Equal(File.ReadAllBytes(sl.Path), blob);
}
}
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
}
[Fact]
public void SourceLink_EndToEnd_Portable()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(@"class C { public static void Main() {} }");
var sl = dir.CreateFile("sl.json");
sl.WriteAllText(@"{ ""documents"" : {} }"{ ""documents"" : {} }");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/debug:portable", "/sourcelink:sl.json", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var pdbStream = File.OpenRead(Path.Combine(dir.Path, "a.pdb"));
using (var mdProvider = MetadataReaderProvider.FromPortablePdbStream(pdbStream))
{
var blob = mdProvider.GetMetadataReader().GetSourceLinkBlob();
AssertEx.Equal(File.ReadAllBytes(sl.Path), blob);
}
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
}
[Fact]
public void SourceLink_EndToEnd_Windows()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(@"class C { public static void Main() {} }");
var sl = dir.CreateFile("sl.json");
byte[] slContent = Encoding.UTF8.GetBytes(@"{ ""documents"" : {} }"{ ""documents"" : {} }");
sl.WriteAllBytes(slContent);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/debug:full", "/sourcelink:sl.json", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var pdbStream = File.OpenRead(Path.Combine(dir.Path, "a.pdb"));
var actualData = PdbValidation.GetSourceLinkData(pdbStream);
AssertEx.Equal(slContent, actualData);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
}
[Fact]
public void Embed()
{
var parsedArgs = DefaultParse(new[] { "a.cs " }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Empty(parsedArgs.EmbeddedFiles);
parsedArgs = DefaultParse(new[] { "/embed", "/debug:portable", "a.cs", "b.cs", "c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(parsedArgs.SourceFiles, parsedArgs.EmbeddedFiles);
AssertEx.Equal(
new[] { "a.cs", "b.cs", "c.cs" }.Select(f => Path.Combine(WorkingDirectory, f)),
parsedArgs.EmbeddedFiles.Select(f => f.Path));
parsedArgs = DefaultParse(new[] { "/embed:a.cs", "/embed:b.cs", "/debug:embedded", "a.cs", "b.cs", "c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(
new[] { "a.cs", "b.cs" }.Select(f => Path.Combine(WorkingDirectory, f)),
parsedArgs.EmbeddedFiles.Select(f => f.Path));
parsedArgs = DefaultParse(new[] { "/embed:a.cs;b.cs", "/debug:portable", "a.cs", "b.cs", "c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(
new[] { "a.cs", "b.cs" }.Select(f => Path.Combine(WorkingDirectory, f)),
parsedArgs.EmbeddedFiles.Select(f => f.Path));
parsedArgs = DefaultParse(new[] { "/embed:a.cs,b.cs", "/debug:portable", "a.cs", "b.cs", "c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(
new[] { "a.cs", "b.cs" }.Select(f => Path.Combine(WorkingDirectory, f)),
parsedArgs.EmbeddedFiles.Select(f => f.Path));
parsedArgs = DefaultParse(new[] { @"/embed:""a,b.cs""", "/debug:portable", "a,b.cs", "c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(
new[] { "a,b.cs" }.Select(f => Path.Combine(WorkingDirectory, f)),
parsedArgs.EmbeddedFiles.Select(f => f.Path));
parsedArgs = DefaultParse(new[] { "/embed:a.txt", "/embed", "/debug:portable", "a.cs", "b.cs", "c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(); ;
AssertEx.Equal(
new[] { "a.txt", "a.cs", "b.cs", "c.cs" }.Select(f => Path.Combine(WorkingDirectory, f)),
parsedArgs.EmbeddedFiles.Select(f => f.Path));
parsedArgs = DefaultParse(new[] { "/embed", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_CannotEmbedWithoutPdb));
parsedArgs = DefaultParse(new[] { "/embed:a.txt", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_CannotEmbedWithoutPdb));
parsedArgs = DefaultParse(new[] { "/embed", "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_CannotEmbedWithoutPdb));
parsedArgs = DefaultParse(new[] { "/embed:a.txt", "/debug-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_CannotEmbedWithoutPdb));
parsedArgs = DefaultParse(new[] { "/embed", "/debug:full", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/embed", "/debug:pdbonly", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/embed", "/debug+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
}
[Theory]
[InlineData("/debug:portable", "/embed", new[] { "embed.cs", "embed2.cs", "embed.xyz" })]
[InlineData("/debug:portable", "/embed:embed.cs", new[] { "embed.cs", "embed.xyz" })]
[InlineData("/debug:portable", "/embed:embed2.cs", new[] { "embed2.cs" })]
[InlineData("/debug:portable", "/embed:embed.xyz", new[] { "embed.xyz" })]
[InlineData("/debug:embedded", "/embed", new[] { "embed.cs", "embed2.cs", "embed.xyz" })]
[InlineData("/debug:embedded", "/embed:embed.cs", new[] { "embed.cs", "embed.xyz" })]
[InlineData("/debug:embedded", "/embed:embed2.cs", new[] { "embed2.cs" })]
[InlineData("/debug:embedded", "/embed:embed.xyz", new[] { "embed.xyz" })]
public void Embed_EndToEnd_Portable(string debugSwitch, string embedSwitch, string[] expectedEmbedded)
{
// embed.cs: large enough to compress, has #line directives
const string embed_cs =
@"///////////////////////////////////////////////////////////////////////////////
class Program {
static void Main() {
#line 1 ""embed.xyz""
System.Console.WriteLine(""Hello, World"");
#line 3
System.Console.WriteLine(""Goodbye, World"");
}
}
///////////////////////////////////////////////////////////////////////////////";
// embed2.cs: small enough to not compress, no sequence points
const string embed2_cs =
@"class C
{
}";
// target of #line
const string embed_xyz =
@"print Hello, World
print Goodbye, World";
Assert.True(embed_cs.Length >= EmbeddedText.CompressionThreshold);
Assert.True(embed2_cs.Length < EmbeddedText.CompressionThreshold);
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("embed.cs");
var src2 = dir.CreateFile("embed2.cs");
var txt = dir.CreateFile("embed.xyz");
src.WriteAllText(embed_cs);
src2.WriteAllText(embed2_cs);
txt.WriteAllText(embed_xyz);
var expectedEmbeddedMap = new Dictionary<string, string>();
if (expectedEmbedded.Contains("embed.cs"))
{
expectedEmbeddedMap.Add(src.Path, embed_cs);
}
if (expectedEmbedded.Contains("embed2.cs"))
{
expectedEmbeddedMap.Add(src2.Path, embed2_cs);
}
if (expectedEmbedded.Contains("embed.xyz"))
{
expectedEmbeddedMap.Add(txt.Path, embed_xyz);
}
var output = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", debugSwitch, embedSwitch, "embed.cs", "embed2.cs" });
int exitCode = csc.Run(output);
Assert.Equal("", output.ToString().Trim());
Assert.Equal(0, exitCode);
switch (debugSwitch)
{
case "/debug:embedded":
ValidateEmbeddedSources_Portable(expectedEmbeddedMap, dir, isEmbeddedPdb: true);
break;
case "/debug:portable":
ValidateEmbeddedSources_Portable(expectedEmbeddedMap, dir, isEmbeddedPdb: false);
break;
case "/debug:full":
ValidateEmbeddedSources_Windows(expectedEmbeddedMap, dir);
break;
}
Assert.Empty(expectedEmbeddedMap);
CleanupAllGeneratedFiles(src.Path);
}
private static void ValidateEmbeddedSources_Portable(Dictionary<string, string> expectedEmbeddedMap, TempDirectory dir, bool isEmbeddedPdb)
{
using (var peReader = new PEReader(File.OpenRead(Path.Combine(dir.Path, "embed.exe"))))
{
var entry = peReader.ReadDebugDirectory().SingleOrDefault(e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);
Assert.Equal(isEmbeddedPdb, entry.DataSize > 0);
using (var mdProvider = isEmbeddedPdb ?
peReader.ReadEmbeddedPortablePdbDebugDirectoryData(entry) :
MetadataReaderProvider.FromPortablePdbStream(File.OpenRead(Path.Combine(dir.Path, "embed.pdb"))))
{
var mdReader = mdProvider.GetMetadataReader();
foreach (var handle in mdReader.Documents)
{
var doc = mdReader.GetDocument(handle);
var docPath = mdReader.GetString(doc.Name);
SourceText embeddedSource = mdReader.GetEmbeddedSource(handle);
if (embeddedSource == null)
{
continue;
}
Assert.Equal(expectedEmbeddedMap[docPath], embeddedSource.ToString());
Assert.True(expectedEmbeddedMap.Remove(docPath));
}
}
}
}
private static void ValidateEmbeddedSources_Windows(Dictionary<string, string> expectedEmbeddedMap, TempDirectory dir)
{
ISymUnmanagedReader5 symReader = null;
try
{
symReader = SymReaderFactory.CreateReader(File.OpenRead(Path.Combine(dir.Path, "embed.pdb")));
foreach (var doc in symReader.GetDocuments())
{
var docPath = doc.GetName();
var sourceBlob = doc.GetEmbeddedSource();
if (sourceBlob.Array == null)
{
continue;
}
var sourceStr = Encoding.UTF8.GetString(sourceBlob.Array, sourceBlob.Offset, sourceBlob.Count);
Assert.Equal(expectedEmbeddedMap[docPath], sourceStr);
Assert.True(expectedEmbeddedMap.Remove(docPath));
}
}
catch
{
symReader?.Dispose();
}
}
private static void ValidateWrittenSources(Dictionary<string, Dictionary<string, string>> expectedFilesMap, Encoding encoding = null)
{
foreach ((var dirPath, var fileMap) in expectedFilesMap.ToArray())
{
foreach (var file in Directory.GetFiles(dirPath))
{
var name = Path.GetFileName(file);
var content = File.ReadAllText(file, encoding ?? Encoding.UTF8);
Assert.Equal(fileMap[name], content);
Assert.True(fileMap.Remove(name));
}
Assert.Empty(fileMap);
Assert.True(expectedFilesMap.Remove(dirPath));
}
Assert.Empty(expectedFilesMap);
}
[Fact]
public void Optimize()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(new CSharpCompilationOptions(OutputKind.ConsoleApplication).OptimizationLevel, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new[] { "/optimize-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OptimizationLevel.Debug, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new[] { "/optimize", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OptimizationLevel.Release, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new[] { "/optimize+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OptimizationLevel.Release, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new[] { "/optimize+", "/optimize-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(OptimizationLevel.Debug, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new[] { "/optimize:+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/optimize:+"));
parsedArgs = DefaultParse(new[] { "/optimize:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/optimize:"));
parsedArgs = DefaultParse(new[] { "/optimize-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/optimize-:"));
parsedArgs = DefaultParse(new[] { "/o-", "a.cs" }, WorkingDirectory);
Assert.Equal(OptimizationLevel.Debug, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new string[] { "/o", "a.cs" }, WorkingDirectory);
Assert.Equal(OptimizationLevel.Release, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new string[] { "/o+", "a.cs" }, WorkingDirectory);
Assert.Equal(OptimizationLevel.Release, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new string[] { "/o+", "/optimize-", "a.cs" }, WorkingDirectory);
Assert.Equal(OptimizationLevel.Debug, parsedArgs.CompilationOptions.OptimizationLevel);
parsedArgs = DefaultParse(new string[] { "/o:+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/o:+"));
parsedArgs = DefaultParse(new string[] { "/o:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/o:"));
parsedArgs = DefaultParse(new string[] { "/o-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/o-:"));
}
[Fact]
public void Deterministic()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.Deterministic);
parsedArgs = DefaultParse(new[] { "/deterministic+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.Deterministic);
parsedArgs = DefaultParse(new[] { "/deterministic", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.Deterministic);
parsedArgs = DefaultParse(new[] { "/deterministic-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.Deterministic);
}
[Fact]
public void ParseReferences()
{
var parsedArgs = DefaultParse(new string[] { "/r:goo.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(2, parsedArgs.MetadataReferences.Length);
parsedArgs = DefaultParse(new string[] { "/r:goo.dll;", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(2, parsedArgs.MetadataReferences.Length);
Assert.Equal(MscorlibFullPath, parsedArgs.MetadataReferences[0].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly, parsedArgs.MetadataReferences[0].Properties);
Assert.Equal("goo.dll", parsedArgs.MetadataReferences[1].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly, parsedArgs.MetadataReferences[1].Properties);
parsedArgs = DefaultParse(new string[] { @"/l:goo.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(2, parsedArgs.MetadataReferences.Length);
Assert.Equal(MscorlibFullPath, parsedArgs.MetadataReferences[0].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly, parsedArgs.MetadataReferences[0].Properties);
Assert.Equal("goo.dll", parsedArgs.MetadataReferences[1].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly.WithEmbedInteropTypes(true), parsedArgs.MetadataReferences[1].Properties);
parsedArgs = DefaultParse(new string[] { @"/addmodule:goo.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(2, parsedArgs.MetadataReferences.Length);
Assert.Equal(MscorlibFullPath, parsedArgs.MetadataReferences[0].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly, parsedArgs.MetadataReferences[0].Properties);
Assert.Equal("goo.dll", parsedArgs.MetadataReferences[1].Reference);
Assert.Equal(MetadataReferenceProperties.Module, parsedArgs.MetadataReferences[1].Properties);
parsedArgs = DefaultParse(new string[] { @"/r:a=goo.dll", "/l:b=bar.dll", "/addmodule:c=mod.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(4, parsedArgs.MetadataReferences.Length);
Assert.Equal(MscorlibFullPath, parsedArgs.MetadataReferences[0].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly, parsedArgs.MetadataReferences[0].Properties);
Assert.Equal("goo.dll", parsedArgs.MetadataReferences[1].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly.WithAliases(new[] { "a" }), parsedArgs.MetadataReferences[1].Properties);
Assert.Equal("bar.dll", parsedArgs.MetadataReferences[2].Reference);
Assert.Equal(MetadataReferenceProperties.Assembly.WithAliases(new[] { "b" }).WithEmbedInteropTypes(true), parsedArgs.MetadataReferences[2].Properties);
Assert.Equal("c=mod.dll", parsedArgs.MetadataReferences[3].Reference);
Assert.Equal(MetadataReferenceProperties.Module, parsedArgs.MetadataReferences[3].Properties);
// TODO: multiple files, quotes, etc.
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/71022")]
public void ParseReferencesAlias()
{
assert(@"/r:a=util.dll", @"util.dll", ["a"], false);
assert(@"/r:""a=util.dll""", @"a=util.dll", [], false);
assert(@"/r:""c:\users\app=exe\util.dll""", @"c:\users\app=exe\util.dll", [], false);
assert(@"/r:a=b=util.dll", @"b=util.dll", ["a"], false);
assert(@"/r:""a=b""=util.dll", @"a=b=util.dll", [], false);
assert(@"/r:\""a=b\""=util.dll", @"""a=b""=util.dll", [], false);
assert(@"/r:a""b=util.dll", "ab=util.dll", [], false);
assert(@"/r:a\""b=util.dll", @"a""b=util.dll", [], false);
assert(@"/r:""a""=""util.dll""", @"a=util.dll", [], false);
assert(@"/r:\""a\""=\""util.dll""", @"""a""=""util.dll", [], false);
void assert(string arg, string expectedRef, string[] expectedAliases, bool expectedEmbed)
{
var result = parseRef(arg);
Assert.Equal(expectedRef, result.Reference);
Assert.Equal(expectedAliases, result.Properties.Aliases);
Assert.Equal(expectedEmbed, result.Properties.EmbedInteropTypes);
}
CommandLineReference parseRef(string refText)
{
var parsedArgs = DefaultParse([refText, "test.cs"], WorkingDirectory);
Assert.Equal(2, parsedArgs.MetadataReferences.Length);
Assert.Empty(parsedArgs.Errors);
return parsedArgs.MetadataReferences[1];
}
}
[Fact]
public void ParseReferencesAliasErrors()
{
parseRef(@"/reference:a\b=util.dll").Verify(
Diagnostic(ErrorCode.ERR_BadExternIdentifier).WithArguments(@"a\b").WithLocation(1, 1));
parseRef(@"/reference:a$b=util.dll").Verify(
Diagnostic(ErrorCode.ERR_BadExternIdentifier).WithArguments(@"a$b").WithLocation(1, 1));
parseRef(@"/reference:a=util.dll,util2.dll").Verify(
Diagnostic(ErrorCode.ERR_OneAliasPerReference).WithLocation(1, 1));
parseRef(@"/reference:a=").Verify(
Diagnostic(ErrorCode.ERR_AliasMissingFile).WithArguments("a").WithLocation(1, 1));
ImmutableArray<Diagnostic> parseRef(string refText)
{
var parsedArgs = DefaultParse([refText, "test.cs"], WorkingDirectory);
return parsedArgs.Errors;
}
}
[Fact]
public void ParseAnalyzers()
{
var parsedArgs = DefaultParse(new string[] { @"/a:goo.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(1, parsedArgs.AnalyzerReferences.Length);
Assert.Equal("goo.dll", parsedArgs.AnalyzerReferences[0].FilePath);
parsedArgs = DefaultParse(new string[] { @"/analyzer:goo.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(1, parsedArgs.AnalyzerReferences.Length);
Assert.Equal("goo.dll", parsedArgs.AnalyzerReferences[0].FilePath);
parsedArgs = DefaultParse(new string[] { "/analyzer:\"goo.dll\"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(1, parsedArgs.AnalyzerReferences.Length);
Assert.Equal("goo.dll", parsedArgs.AnalyzerReferences[0].FilePath);
parsedArgs = DefaultParse(new string[] { @"/a:goo.dll;bar.dll", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(2, parsedArgs.AnalyzerReferences.Length);
Assert.Equal("goo.dll", parsedArgs.AnalyzerReferences[0].FilePath);
Assert.Equal("bar.dll", parsedArgs.AnalyzerReferences[1].FilePath);
parsedArgs = DefaultParse(new string[] { @"/a:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/a:"));
parsedArgs = DefaultParse(new string[] { "/a", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/a"));
}
[Fact]
public void Analyzers_Missing()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/a:missing.dll", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS0006: Metadata file 'missing.dll' could not be found", outWriter.ToString().Trim());
// Clean up temp files
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
public void Analyzers_Empty()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", "/a:" + typeof(object).Assembly.Location, "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.DoesNotContain("warning", outWriter.ToString());
CleanupAllGeneratedFiles(file.Path);
}
private TempFile CreateRuleSetFile(string source)
{
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.ruleset");
file.WriteAllText(source);
return file;
}
[Fact]
public void RuleSetSwitchPositive()
{
string source = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<IncludeAll Action=""Warning"" />
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""CA1012"" Action=""Error"" />
<Rule Id=""CA1013"" Action=""Warning"" />
<Rule Id=""CA1014"" Action=""None"" />
</Rules>
</RuleSet>
";
var file = CreateRuleSetFile(source);
var parsedArgs = DefaultParse(new string[] { @"/ruleset:" + file.Path, "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(expected: file.Path, actual: parsedArgs.RuleSetPath);
Assert.True(parsedArgs.CompilationOptions.SpecificDiagnosticOptions.ContainsKey("CA1012"));
Assert.True(parsedArgs.CompilationOptions.SpecificDiagnosticOptions["CA1012"] == ReportDiagnostic.Error);
Assert.True(parsedArgs.CompilationOptions.SpecificDiagnosticOptions.ContainsKey("CA1013"));
Assert.True(parsedArgs.CompilationOptions.SpecificDiagnosticOptions["CA1013"] == ReportDiagnostic.Warn);
Assert.True(parsedArgs.CompilationOptions.SpecificDiagnosticOptions.ContainsKey("CA1014"));
Assert.True(parsedArgs.CompilationOptions.SpecificDiagnosticOptions["CA1014"] == ReportDiagnostic.Suppress);
Assert.True(parsedArgs.CompilationOptions.GeneralDiagnosticOption == ReportDiagnostic.Warn);
}
[Fact]
public void RuleSetSwitchQuoted()
{
string source = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<IncludeAll Action=""Warning"" />
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""CA1012"" Action=""Error"" />
<Rule Id=""CA1013"" Action=""Warning"" />
<Rule Id=""CA1014"" Action=""None"" />
</Rules>
</RuleSet>
";
var file = CreateRuleSetFile(source);
var parsedArgs = DefaultParse(new string[] { @"/ruleset:" + "\"" + file.Path + "\"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(expected: file.Path, actual: parsedArgs.RuleSetPath);
}
[Fact]
public void RuleSetSwitchParseErrors()
{
var parsedArgs = DefaultParse(new string[] { @"/ruleset", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "ruleset"));
Assert.Null(parsedArgs.RuleSetPath);
parsedArgs = DefaultParse(new string[] { @"/ruleset:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "ruleset"));
Assert.Null(parsedArgs.RuleSetPath);
parsedArgs = DefaultParse(new string[] { @"/ruleset:blah", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_CantReadRulesetFile).WithArguments(Path.Combine(TempRoot.Root, "blah"), "File not found."));
Assert.Equal(expected: Path.Combine(TempRoot.Root, "blah"), actual: parsedArgs.RuleSetPath);
parsedArgs = DefaultParse(new string[] { @"/ruleset:blah;blah.ruleset", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_CantReadRulesetFile).WithArguments(Path.Combine(TempRoot.Root, "blah;blah.ruleset"), "File not found."));
Assert.Equal(expected: Path.Combine(TempRoot.Root, "blah;blah.ruleset"), actual: parsedArgs.RuleSetPath);
var file = CreateRuleSetFile("Random text");
parsedArgs = DefaultParse(new string[] { @"/ruleset:" + file.Path, "a.cs" }, WorkingDirectory);
//parsedArgs.Errors.Verify(
// Diagnostic(ErrorCode.ERR_CantReadRulesetFile).WithArguments(file.Path, "Data at the root level is invalid. Line 1, position 1."));
Assert.Equal(expected: file.Path, actual: parsedArgs.RuleSetPath);
var err = parsedArgs.Errors.Single();
Assert.Equal((int)ErrorCode.ERR_CantReadRulesetFile, err.Code);
Assert.Equal(2, err.Arguments.Count);
Assert.Equal(file.Path, (string)err.Arguments[0]);
var currentUICultureName = Thread.CurrentThread.CurrentUICulture.Name;
if (currentUICultureName.Length == 0 || currentUICultureName.StartsWith("en", StringComparison.OrdinalIgnoreCase))
{
Assert.Equal("Data at the root level is invalid. Line 1, position 1.", (string)err.Arguments[1]);
}
}
[WorkItem(892467, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/892467")]
[Fact]
public void Analyzers_Found()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// This assembly has a MockAbstractDiagnosticAnalyzer type which should get run by this compilation.
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", "/a:" + Assembly.GetExecutingAssembly().Location, "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
// Diagnostic thrown
Assert.True(outWriter.ToString().Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared"));
// Diagnostic cannot be instantiated
Assert.True(outWriter.ToString().Contains("warning CS8032"));
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
public void Analyzers_WithRuleSet()
{
string source = @"
class C
{
int x;
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
string rulesetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Warning01"" Action=""Error"" />
</Rules>
</RuleSet>
";
var ruleSetFile = CreateRuleSetFile(rulesetSource);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// This assembly has a MockAbstractDiagnosticAnalyzer type which should get run by this compilation.
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", "/a:" + Assembly.GetExecutingAssembly().Location, "a.cs", "/ruleset:" + ruleSetFile.Path });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
// Diagnostic thrown as error.
Assert.True(outWriter.ToString().Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared"));
// Clean up temp files
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(912906, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/912906")]
[Fact]
public void Analyzers_CommandLineOverridesRuleset1()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
string rulesetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<IncludeAll Action=""Warning"" />
</RuleSet>
";
var ruleSetFile = CreateRuleSetFile(rulesetSource);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// This assembly has a MockAbstractDiagnosticAnalyzer type which should get run by this compilation.
var csc = CreateCSharpCompiler(null, dir.Path,
new[] {
"/nologo", "/preferreduilang:en", "/t:library",
"/a:" + Assembly.GetExecutingAssembly().Location, "a.cs",
"/ruleset:" + ruleSetFile.Path, "/warnaserror+", "/nowarn:8032" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
// Diagnostic thrown as error: command line always overrides ruleset.
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, dir.Path,
new[] {
"/nologo", "/preferreduilang:en", "/t:library",
"/a:" + Assembly.GetExecutingAssembly().Location, "a.cs",
"/warnaserror+", "/ruleset:" + ruleSetFile.Path, "/nowarn:8032" });
exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
// Diagnostic thrown as error: command line always overrides ruleset.
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", outWriter.ToString(), StringComparison.Ordinal);
// Clean up temp files
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_GeneralCommandLineOptionOverridesGeneralRuleSetOption()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<IncludeAll Action=""Warning"" />
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Error);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_GeneralWarnAsErrorPromotesWarningFromRuleSet()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Error);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"], expected: ReportDiagnostic.Error);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_GeneralWarnAsErrorDoesNotPromoteInfoFromRuleSet()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Info"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Error);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"], expected: ReportDiagnostic.Info);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_SpecificWarnAsErrorPromotesInfoFromRuleSet()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Info"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+:Test001",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Default);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"], expected: ReportDiagnostic.Error);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_GeneralWarnAsErrorMinusResetsRules()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+",
"/warnaserror-",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Default);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"], expected: ReportDiagnostic.Warn);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_SpecificWarnAsErrorMinusResetsRules()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+",
"/warnaserror-:Test001",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Error);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"], expected: ReportDiagnostic.Warn);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void RuleSet_SpecificWarnAsErrorMinusDefaultsRuleNotInRuleSet()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+:Test002",
"/warnaserror-:Test002",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(actual: arguments.CompilationOptions.GeneralDiagnosticOption, expected: ReportDiagnostic.Default);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"], expected: ReportDiagnostic.Warn);
Assert.Equal(actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test002"], expected: ReportDiagnostic.Default);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void NoWarn_SpecificNoWarnOverridesRuleSet()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/nowarn:Test001",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Default, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: 1, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"]);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void NoWarn_SpecificNoWarnOverridesGeneralWarnAsError()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/warnaserror+",
"/nowarn:Test001",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Error, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: 1, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"]);
}
[Fact]
[WorkItem(468, "https://github.com/dotnet/roslyn/issues/468")]
public void NoWarn_SpecificNoWarnOverridesSpecificWarnAsError()
{
var dir = Temp.CreateDirectory();
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Test001"" Action=""Warning"" />
</Rules>
</RuleSet>
";
var ruleSetFile = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/ruleset:Rules.ruleset",
"/nowarn:Test001",
"/warnaserror+:Test001",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Default, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: 1, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"]);
}
[Fact]
[WorkItem(35748, "https://github.com/dotnet/roslyn/issues/35748")]
public void NoWarn_Nullable()
{
var dir = Temp.CreateDirectory();
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/nowarn:nullable",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Default, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: ErrorFacts.NullableWarnings.Count + 2, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
foreach (string warning in ErrorFacts.NullableWarnings)
{
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions[warning]);
}
Assert.Equal(expected: ReportDiagnostic.Suppress,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotation)]);
Assert.Equal(expected: ReportDiagnostic.Suppress,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotationInGeneratedCode)]);
}
[Fact]
[WorkItem(35748, "https://github.com/dotnet/roslyn/issues/35748")]
public void NoWarn_Nullable_Capitalization()
{
var dir = Temp.CreateDirectory();
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/nowarn:NullABLE",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Default, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: ErrorFacts.NullableWarnings.Count + 2, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
foreach (string warning in ErrorFacts.NullableWarnings)
{
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions[warning]);
}
Assert.Equal(expected: ReportDiagnostic.Suppress,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotation)]);
Assert.Equal(expected: ReportDiagnostic.Suppress,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotationInGeneratedCode)]);
}
[Fact]
[WorkItem(35748, "https://github.com/dotnet/roslyn/issues/35748")]
public void NoWarn_Nullable_MultipleArguments()
{
var dir = Temp.CreateDirectory();
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/nowarn:nullable,Test001",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Default, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: ErrorFacts.NullableWarnings.Count + 3, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
foreach (string warning in ErrorFacts.NullableWarnings)
{
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions[warning]);
}
Assert.Equal(expected: ReportDiagnostic.Suppress, actual: arguments.CompilationOptions.SpecificDiagnosticOptions["Test001"]);
Assert.Equal(expected: ReportDiagnostic.Suppress,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotation)]);
Assert.Equal(expected: ReportDiagnostic.Suppress,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotationInGeneratedCode)]);
}
[Fact]
[WorkItem(35748, "https://github.com/dotnet/roslyn/issues/35748")]
public void WarnAsError_Nullable()
{
var dir = Temp.CreateDirectory();
var arguments = DefaultParse(
new[]
{
"/nologo",
"/t:library",
"/warnaserror:nullable",
"a.cs"
},
dir.Path);
var errors = arguments.Errors;
Assert.Empty(errors);
Assert.Equal(expected: ReportDiagnostic.Default, actual: arguments.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(expected: ErrorFacts.NullableWarnings.Count + 2, actual: arguments.CompilationOptions.SpecificDiagnosticOptions.Count);
foreach (string warning in ErrorFacts.NullableWarnings)
{
Assert.Equal(expected: ReportDiagnostic.Error, actual: arguments.CompilationOptions.SpecificDiagnosticOptions[warning]);
}
Assert.Equal(expected: ReportDiagnostic.Error,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotation)]);
Assert.Equal(expected: ReportDiagnostic.Error,
actual: arguments.CompilationOptions.SpecificDiagnosticOptions[MessageProvider.Instance.GetIdForErrorCode((int)ErrorCode.WRN_MissingNonNullTypesContextForAnnotationInGeneratedCode)]);
}
[WorkItem(912906, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/912906")]
[Fact]
public void Analyzers_CommandLineOverridesRuleset2()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
string rulesetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.Analyzers.ManagedCodeAnalysis"" RuleNamespace=""Microsoft.Rules.Managed"">
<Rule Id=""Warning01"" Action=""Error"" />
</Rules>
</RuleSet>
";
var ruleSetFile = CreateRuleSetFile(rulesetSource);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// This assembly has a MockAbstractDiagnosticAnalyzer type which should get run by this compilation.
var csc = CreateCSharpCompiler(null, dir.Path,
new[] {
"/nologo", "/t:library",
"/a:" + Assembly.GetExecutingAssembly().Location, "a.cs",
"/ruleset:" + ruleSetFile.Path, "/warn:0" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
// Diagnostic suppressed: commandline always overrides ruleset.
Assert.DoesNotContain("Warning01", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, dir.Path,
new[] {
"/nologo", "/t:library",
"/a:" + Assembly.GetExecutingAssembly().Location, "a.cs",
"/warn:0", "/ruleset:" + ruleSetFile.Path });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
// Diagnostic suppressed: commandline always overrides ruleset.
Assert.DoesNotContain("Warning01", outWriter.ToString(), StringComparison.Ordinal);
// Clean up temp files
CleanupAllGeneratedFiles(file.Path);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void DiagnosticFormatting()
{
string source = @"
using System;
class C
{
public static void Main()
{
Goo(0);
#line 10 ""c:\temp\a\1.cs""
Goo(1);
#line 20 ""C:\a\..\b.cs""
Goo(2);
#line 30 ""C:\a\../B.cs""
Goo(3);
#line 40 ""../b.cs""
Goo(4);
#line 50 ""..\b.cs""
Goo(5);
#line 60 ""C:\X.cs""
Goo(6);
#line 70 ""C:\x.cs""
Goo(7);
#line 90 "" ""
Goo(9);
#line 100 ""C:\*.cs""
Goo(10);
#line 110 """"
Goo(11);
#line hidden
Goo(12);
#line default
Goo(13);
#line 140 ""***""
Goo(14);
}
}
";
var dir = Temp.CreateDirectory();
dir.CreateFile("a.cs").WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
// with /fullpaths off
string expected = @"
a.cs(8,13): error CS0103: The name 'Goo' does not exist in the current context
c:\temp\a\1.cs(10,13): error CS0103: The name 'Goo' does not exist in the current context
C:\b.cs(20,13): error CS0103: The name 'Goo' does not exist in the current context
C:\B.cs(30,13): error CS0103: The name 'Goo' does not exist in the current context
" + Path.GetFullPath(Path.Combine(dir.Path, @"..\b.cs")) + @"(40,13): error CS0103: The name 'Goo' does not exist in the current context
" + Path.GetFullPath(Path.Combine(dir.Path, @"..\b.cs")) + @"(50,13): error CS0103: The name 'Goo' does not exist in the current context
C:\X.cs(60,13): error CS0103: The name 'Goo' does not exist in the current context
C:\x.cs(70,13): error CS0103: The name 'Goo' does not exist in the current context
(90,7): error CS0103: The name 'Goo' does not exist in the current context
C:\*.cs(100,7): error CS0103: The name 'Goo' does not exist in the current context
(110,7): error CS0103: The name 'Goo' does not exist in the current context
(112,13): error CS0103: The name 'Goo' does not exist in the current context
a.cs(32,13): error CS0103: The name 'Goo' does not exist in the current context
***(140,13): error CS0103: The name 'Goo' does not exist in the current context";
AssertEx.Equal(
expected.Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries),
outWriter.ToString().Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries),
itemSeparator: "\r\n");
// with /fullpaths on
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/t:library", "/fullpaths", "a.cs" });
exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
expected = @"
" + Path.Combine(dir.Path, @"a.cs") + @"(8,13): error CS0103: The name 'Goo' does not exist in the current context
c:\temp\a\1.cs(10,13): error CS0103: The name 'Goo' does not exist in the current context
C:\b.cs(20,13): error CS0103: The name 'Goo' does not exist in the current context
C:\B.cs(30,13): error CS0103: The name 'Goo' does not exist in the current context
" + Path.GetFullPath(Path.Combine(dir.Path, @"..\b.cs")) + @"(40,13): error CS0103: The name 'Goo' does not exist in the current context
" + Path.GetFullPath(Path.Combine(dir.Path, @"..\b.cs")) + @"(50,13): error CS0103: The name 'Goo' does not exist in the current context
C:\X.cs(60,13): error CS0103: The name 'Goo' does not exist in the current context
C:\x.cs(70,13): error CS0103: The name 'Goo' does not exist in the current context
(90,7): error CS0103: The name 'Goo' does not exist in the current context
C:\*.cs(100,7): error CS0103: The name 'Goo' does not exist in the current context
(110,7): error CS0103: The name 'Goo' does not exist in the current context
(112,13): error CS0103: The name 'Goo' does not exist in the current context
" + Path.Combine(dir.Path, @"a.cs") + @"(32,13): error CS0103: The name 'Goo' does not exist in the current context
***(140,13): error CS0103: The name 'Goo' does not exist in the current context";
AssertEx.Equal(
expected.Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries),
outWriter.ToString().Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries),
itemSeparator: "\r\n");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/47310")]
public void DiagnosticFormatting_UrlFormat_ObsoleteAttribute()
{
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText("""
#pragma warning disable CS0436 // System.Obsolete conflict
#nullable enable
using System;
var c1 = new C1();
var c2 = new C2();
var c3 = new C3();
var c4 = new C4();
[Obsolete("Do not use C1", UrlFormat = "https://example.org/{0}")]
public class C1 { }
[Obsolete("Do not use C2", error: true, UrlFormat = "https://example.org/2/{0}")]
public class C2 { }
[Obsolete("Do not use C3", error: true, DiagnosticId = "OBSOLETEC3", UrlFormat = "https://example.org/3/{0}")]
public class C3 { }
[Obsolete("Do not use C4", DiagnosticId = "OBSOLETEC4", UrlFormat = "https://example.org/4")]
public class C4 { }
namespace System
{
public class ObsoleteAttribute : Attribute
{
public ObsoleteAttribute() { }
public ObsoleteAttribute(string? message) { }
public ObsoleteAttribute(string? message, bool error) { }
public string? DiagnosticId { get; set; }
public string? UrlFormat { get; set; }
}
}
""");
var output = VerifyOutput(dir, file,
includeCurrentAssemblyAsAnalyzerReference: false,
expectedWarningCount: 2,
expectedErrorCount: 2,
additionalFlags: new[] { "/t:exe" });
AssertEx.Equal("""
a.cs(5,14): warning CS0618: 'C1' is obsolete: 'Do not use C1' (https://example.org/CS0618)
a.cs(6,14): error CS0619: 'C2' is obsolete: 'Do not use C2' (https://example.org/2/CS0619)
a.cs(7,14): error OBSOLETEC3: 'C3' is obsolete: 'Do not use C3' (https://example.org/3/OBSOLETEC3)
a.cs(8,14): warning OBSOLETEC4: 'C4' is obsolete: 'Do not use C4' (https://example.org/4)
""",
output.Trim());
CleanupAllGeneratedFiles(file.Path);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/47310")]
public void DiagnosticFormatting_DiagnosticAnalyzer()
{
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText("class C { }");
var output = VerifyOutput(dir, file,
includeCurrentAssemblyAsAnalyzerReference: false,
expectedWarningCount: 1,
analyzers: new[] { new WarningWithUrlDiagnosticAnalyzer() });
AssertEx.Equal("""
a.cs(1,7): warning Warning02: Throwing a diagnostic for types declared (https://example.org/analyzer)
""",
output.Trim());
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(540891, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540891")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ParseOut()
{
const string baseDirectory = @"C:\abc\def\baz";
var parsedArgs = DefaultParse(new[] { @"/out:""""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '' contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(""));
parsedArgs = DefaultParse(new[] { @"/out:", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2005: Missing file specification for '/out:' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/out:"));
parsedArgs = DefaultParse(new[] { @"/refout:", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2005: Missing file specification for '/refout:' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/refout:"));
parsedArgs = DefaultParse(new[] { @"/refout:ref.dll", "/refonly", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS8301: Do not use refout when using refonly.
Diagnostic(ErrorCode.ERR_NoRefOutWhenRefOnly).WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { @"/refout:ref.dll", "/link:b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/refonly", "/link:b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/refonly:incorrect", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/refonly:incorrect'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/refonly:incorrect").WithLocation(1, 1)
);
parsedArgs = DefaultParse(new[] { @"/refout:ref.dll", "/target:module", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS8302: Cannot compile net modules when using /refout or /refonly.
Diagnostic(ErrorCode.ERR_NoNetModuleOutputWhenRefOutOrRefOnly).WithLocation(1, 1)
);
parsedArgs = DefaultParse(new[] { @"/refonly", "/target:module", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS8302: Cannot compile net modules when using /refout or /refonly.
Diagnostic(ErrorCode.ERR_NoNetModuleOutputWhenRefOutOrRefOnly).WithLocation(1, 1)
);
// Dev11 reports CS2007: Unrecognized option: '/out'
parsedArgs = DefaultParse(new[] { @"/out", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2005: Missing file specification for '/out' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/out"));
parsedArgs = DefaultParse(new[] { @"/out+", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/out+"));
// Should preserve fully qualified paths
parsedArgs = DefaultParse(new[] { @"/out:C:\MyFolder\MyBinary.dll", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("MyBinary", parsedArgs.CompilationName);
Assert.Equal("MyBinary.dll", parsedArgs.OutputFileName);
Assert.Equal("MyBinary.dll", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(@"C:\MyFolder", parsedArgs.OutputDirectory);
Assert.Equal(@"C:\MyFolder\MyBinary.dll", parsedArgs.GetOutputFilePath(parsedArgs.OutputFileName));
// Should handle quotes
parsedArgs = DefaultParse(new[] { @"/out:""C:\My Folder\MyBinary.dll""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"MyBinary", parsedArgs.CompilationName);
Assert.Equal("MyBinary.dll", parsedArgs.OutputFileName);
Assert.Equal("MyBinary.dll", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(@"C:\My Folder", parsedArgs.OutputDirectory);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/out:MyBinary.dll", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("MyBinary", parsedArgs.CompilationName);
Assert.Equal("MyBinary.dll", parsedArgs.OutputFileName);
Assert.Equal("MyBinary.dll", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
Assert.Equal(Path.Combine(baseDirectory, "MyBinary.dll"), parsedArgs.GetOutputFilePath(parsedArgs.OutputFileName));
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/out:..\MyBinary.dll", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("MyBinary", parsedArgs.CompilationName);
Assert.Equal("MyBinary.dll", parsedArgs.OutputFileName);
Assert.Equal("MyBinary.dll", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(@"C:\abc\def", parsedArgs.OutputDirectory);
// not specified: exe
parsedArgs = DefaultParse(new[] { @"a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
// not specified: dll
parsedArgs = DefaultParse(new[] { @"/target:library", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("a", parsedArgs.CompilationName);
Assert.Equal("a.dll", parsedArgs.OutputFileName);
Assert.Equal("a.dll", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
// not specified: module
parsedArgs = DefaultParse(new[] { @"/target:module", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.CompilationName);
Assert.Equal("a.netmodule", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
// not specified: appcontainerexe
parsedArgs = DefaultParse(new[] { @"/target:appcontainerexe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
// not specified: winmdobj
parsedArgs = DefaultParse(new[] { @"/target:winmdobj", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("a", parsedArgs.CompilationName);
Assert.Equal("a.winmdobj", parsedArgs.OutputFileName);
Assert.Equal("a.winmdobj", parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
// drive-relative path:
char currentDrive = Directory.GetCurrentDirectory()[0];
parsedArgs = DefaultParse(new[] { currentDrive + @":a.cs", "b.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'D:a.cs' is contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(currentDrive + ":a.cs"));
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
Assert.Equal(baseDirectory, parsedArgs.OutputDirectory);
// UNC
parsedArgs = DefaultParse(new[] { @"/out:\\b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"\\b"));
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/out:\\server\share\file.exe", "a.vb" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"\\server\share", parsedArgs.OutputDirectory);
Assert.Equal("file.exe", parsedArgs.OutputFileName);
Assert.Equal("file", parsedArgs.CompilationName);
Assert.Equal("file.exe", parsedArgs.CompilationOptions.ModuleName);
// invalid name:
parsedArgs = DefaultParse(new[] { "/out:a.b\0b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a.b\0b"));
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
// Temporary skip following scenarios because of the error message changed (path)
//parsedArgs = DefaultParse(new[] { "/out:a\uD800b.dll", "a.cs" }, baseDirectory);
//parsedArgs.Errors.Verify(
// // error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
// Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a\uD800b.dll"));
// Dev11 reports CS0016: Could not write to output file 'd:\Temp\q\a<>.z'
parsedArgs = DefaultParse(new[] { @"/out:""a<>.dll""", "a.vb" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'a<>.dll' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a<>.dll"));
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/out:.exe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.exe' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".exe")
);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/t:exe", @"/out:.exe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.exe' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".exe")
);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/t:library", @"/out:.dll", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.dll' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".dll")
);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/t:module", @"/out:.netmodule", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.netmodule' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".netmodule")
);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { ".cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/t:exe", ".cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/t:library", ".cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.dll' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".dll")
);
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/t:module", ".cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(".netmodule", parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Equal(".netmodule", parsedArgs.CompilationOptions.ModuleName);
}
[WorkItem(546012, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546012")]
[WorkItem(546007, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546007")]
[Fact]
public void ParseOut2()
{
var parsedArgs = DefaultParse(new[] { "/out:.x", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".x"));
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { "/out:.x", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name '.x' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(".x"));
Assert.Null(parsedArgs.OutputFileName);
Assert.Null(parsedArgs.CompilationName);
Assert.Null(parsedArgs.CompilationOptions.ModuleName);
}
[Fact]
public void ParseInstrumentTestNames()
{
var parsedArgs = DefaultParse(SpecializedCollections.EmptyEnumerable<string>(), WorkingDirectory);
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { @"/instrument", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'instrument' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "instrument"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { @"/instrument:""""", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'instrument' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "instrument"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { @"/instrument:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'instrument' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "instrument"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { "/instrument:", "Test.Flag.Name", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'instrument' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "instrument"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { "/instrument:InvalidOption", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_InvalidInstrumentationKind).WithArguments("InvalidOption"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { "/instrument:None", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_InvalidInstrumentationKind).WithArguments("None"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray<InstrumentationKind>.Empty));
parsedArgs = DefaultParse(new[] { "/instrument:TestCoverage,InvalidOption", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_InvalidInstrumentationKind).WithArguments("InvalidOption"));
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray.Create(InstrumentationKind.TestCoverage)));
parsedArgs = DefaultParse(new[] { "/instrument:TestCoverage", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray.Create(InstrumentationKind.TestCoverage)));
parsedArgs = DefaultParse(new[] { @"/instrument:""TestCoverage""", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray.Create(InstrumentationKind.TestCoverage)));
parsedArgs = DefaultParse(new[] { @"/instrument:""TESTCOVERAGE""", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray.Create(InstrumentationKind.TestCoverage)));
parsedArgs = DefaultParse(new[] { "/instrument:TestCoverage,TestCoverage", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray.Create(InstrumentationKind.TestCoverage)));
parsedArgs = DefaultParse(new[] { "/instrument:TestCoverage", "/instrument:TestCoverage", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.EmitOptions.InstrumentationKinds.SequenceEqual(ImmutableArray.Create(InstrumentationKind.TestCoverage)));
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ParseDoc()
{
const string baseDirectory = @"C:\abc\def\baz";
var parsedArgs = DefaultParse(new[] { @"/doc:""""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for '/doc:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/doc:"));
Assert.Null(parsedArgs.DocumentationPath);
parsedArgs = DefaultParse(new[] { @"/doc:", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for '/doc:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/doc:"));
Assert.Null(parsedArgs.DocumentationPath);
// NOTE: no colon in error message '/doc'
parsedArgs = DefaultParse(new[] { @"/doc", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for '/doc' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/doc"));
Assert.Null(parsedArgs.DocumentationPath);
parsedArgs = DefaultParse(new[] { @"/doc+", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/doc+"));
Assert.Null(parsedArgs.DocumentationPath);
// Should preserve fully qualified paths
parsedArgs = DefaultParse(new[] { @"/doc:C:\MyFolder\MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\MyFolder\MyBinary.xml", parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode);
// Should handle quotes
parsedArgs = DefaultParse(new[] { @"/doc:""C:\My Folder\MyBinary.xml""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\My Folder\MyBinary.xml", parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/doc:MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(baseDirectory, "MyBinary.xml"), parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/doc:..\MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\MyBinary.xml", parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode);
// drive-relative path:
char currentDrive = Directory.GetCurrentDirectory()[0];
parsedArgs = DefaultParse(new[] { "/doc:" + currentDrive + @":a.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'D:a.xml' is contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(currentDrive + ":a.xml"));
Assert.Null(parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode); //Even though the format was incorrect
// UNC
parsedArgs = DefaultParse(new[] { @"/doc:\\b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"\\b"));
Assert.Null(parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode); //Even though the format was incorrect
parsedArgs = DefaultParse(new[] { @"/doc:\\server\share\file.xml", "a.vb" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"\\server\share\file.xml", parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode);
// invalid name:
parsedArgs = DefaultParse(new[] { "/doc:a.b\0b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a.b\0b"));
Assert.Null(parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode); //Even though the format was incorrect
// Temp
// parsedArgs = DefaultParse(new[] { "/doc:a\uD800b.xml", "a.cs" }, baseDirectory);
// parsedArgs.Errors.Verify(
// Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a\uD800b.xml"));
// Assert.Null(parsedArgs.DocumentationPath);
// Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode); //Even though the format was incorrect
parsedArgs = DefaultParse(new[] { @"/doc:""a<>.xml""", "a.vb" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'a<>.xml' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a<>.xml"));
Assert.Null(parsedArgs.DocumentationPath);
Assert.Equal(DocumentationMode.Diagnose, parsedArgs.ParseOptions.DocumentationMode); //Even though the format was incorrect
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ParseErrorLog()
{
const string baseDirectory = @"C:\abc\def\baz";
var parsedArgs = DefaultParse(new[] { @"/errorlog:""""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<(error log option format>' for '/errorlog:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments(CSharpCommandLineParser.ErrorLogOptionFormat, "/errorlog:"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
parsedArgs = DefaultParse(new[] { @"/errorlog:", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<(error log option format>' for '/errorlog:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments(CSharpCommandLineParser.ErrorLogOptionFormat, "/errorlog:"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
parsedArgs = DefaultParse(new[] { @"/errorlog", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<(error log option format>' for '/errorlog' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments(CSharpCommandLineParser.ErrorLogOptionFormat, "/errorlog"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Should preserve fully qualified paths
parsedArgs = DefaultParse(new[] { @"/errorlog:C:\MyFolder\MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\MyFolder\MyBinary.xml", parsedArgs.ErrorLogOptions.Path);
Assert.True(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Escaped quote in the middle is an error
parsedArgs = DefaultParse(new[] { @"/errorlog:C:\""My Folder""\MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"C:""My Folder\MyBinary.xml").WithLocation(1, 1));
// Should handle quotes
parsedArgs = DefaultParse(new[] { @"/errorlog:""C:\My Folder\MyBinary.xml""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\My Folder\MyBinary.xml", parsedArgs.ErrorLogOptions.Path);
Assert.True(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/errorlog:MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(baseDirectory, "MyBinary.xml"), parsedArgs.ErrorLogOptions.Path);
Assert.True(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Should expand partially qualified paths
parsedArgs = DefaultParse(new[] { @"/errorlog:..\MyBinary.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\MyBinary.xml", parsedArgs.ErrorLogOptions.Path);
Assert.True(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// drive-relative path:
char currentDrive = Directory.GetCurrentDirectory()[0];
parsedArgs = DefaultParse(new[] { "/errorlog:" + currentDrive + @":a.xml", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'D:a.xml' is contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(currentDrive + ":a.xml"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// UNC
parsedArgs = DefaultParse(new[] { @"/errorlog:\\b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"\\b"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
parsedArgs = DefaultParse(new[] { @"/errorlog:\\server\share\file.xml", "a.vb" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"\\server\share\file.xml", parsedArgs.ErrorLogOptions.Path);
// invalid name:
parsedArgs = DefaultParse(new[] { "/errorlog:a.b\0b", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a.b\0b"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
parsedArgs = DefaultParse(new[] { @"/errorlog:""a<>.xml""", "a.vb" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2021: File name 'a<>.xml' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments("a<>.xml"));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Parses SARIF version.
parsedArgs = DefaultParse(new[] { @"/errorlog:C:\MyFolder\MyBinary.xml,version=2", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\MyFolder\MyBinary.xml", parsedArgs.ErrorLogOptions.Path);
Assert.Equal(SarifVersion.Sarif2, parsedArgs.ErrorLogOptions.SarifVersion);
Assert.True(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Invalid SARIF version.
string[] invalidSarifVersions = new string[] { @"C:\MyFolder\MyBinary.xml,version=1.0.0", @"C:\MyFolder\MyBinary.xml,version=2.1.0", @"C:\MyFolder\MyBinary.xml,version=42" };
foreach (string invalidSarifVersion in invalidSarifVersions)
{
parsedArgs = DefaultParse(new[] { $"/errorlog:{invalidSarifVersion}", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2046: Command-line syntax error: 'C:\MyFolder\MyBinary.xml,version=42' is not a valid value for the '/errorlog:' option. The value must be of the form '<file>[,version={1|1.0|2|2.1}]'.
Diagnostic(ErrorCode.ERR_BadSwitchValue).WithArguments(invalidSarifVersion, "/errorlog:", CSharpCommandLineParser.ErrorLogOptionFormat));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
}
// Invalid errorlog qualifier.
const string InvalidErrorLogQualifier = @"C:\MyFolder\MyBinary.xml,invalid=42";
parsedArgs = DefaultParse(new[] { $"/errorlog:{InvalidErrorLogQualifier}", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2046: Command-line syntax error: 'C:\MyFolder\MyBinary.xml,invalid=42' is not a valid value for the '/errorlog:' option. The value must be of the form '<file>[,version={1|1.0|2|2.1}]'.
Diagnostic(ErrorCode.ERR_BadSwitchValue).WithArguments(InvalidErrorLogQualifier, "/errorlog:", CSharpCommandLineParser.ErrorLogOptionFormat));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
// Too many errorlog qualifiers.
const string TooManyErrorLogQualifiers = @"C:\MyFolder\MyBinary.xml,version=2,version=2";
parsedArgs = DefaultParse(new[] { $"/errorlog:{TooManyErrorLogQualifiers}", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2046: Command-line syntax error: 'C:\MyFolder\MyBinary.xml,version=2,version=2' is not a valid value for the '/errorlog:' option. The value must be of the form '<file>[,version={1|1.0|2|2.1}]'.
Diagnostic(ErrorCode.ERR_BadSwitchValue).WithArguments(TooManyErrorLogQualifiers, "/errorlog:", CSharpCommandLineParser.ErrorLogOptionFormat));
Assert.Null(parsedArgs.ErrorLogOptions);
Assert.False(parsedArgs.CompilationOptions.ReportSuppressedDiagnostics);
}
[ConditionalFact(typeof(WindowsOnly))]
public void AppConfigParse()
{
const string baseDirectory = @"C:\abc\def\baz";
var parsedArgs = DefaultParse(new[] { @"/appconfig:""""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing ':<text>' for '/appconfig:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments(":<text>", "/appconfig:"));
Assert.Null(parsedArgs.AppConfigPath);
parsedArgs = DefaultParse(new[] { "/appconfig:", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing ':<text>' for '/appconfig:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments(":<text>", "/appconfig:"));
Assert.Null(parsedArgs.AppConfigPath);
parsedArgs = DefaultParse(new[] { "/appconfig", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing ':<text>' for '/appconfig' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments(":<text>", "/appconfig"));
Assert.Null(parsedArgs.AppConfigPath);
parsedArgs = DefaultParse(new[] { "/appconfig:a.exe.config", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\baz\a.exe.config", parsedArgs.AppConfigPath);
// If ParseDoc succeeds, all other possible AppConfig paths should succeed as well -- they both call ParseGenericFilePath
}
[Fact]
public void AppConfigBasic()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class A { static void Main(string[] args) { } }");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var appConfigFile = Temp.CreateFile().WriteAllText(
@"<?xml version=""1.0"" encoding=""utf-8"" ?>
<configuration>
<runtime>
<assemblyBinding xmlns=""urn:schemas-microsoft-com:asm.v1"">
<supportPortability PKT=""7cec85d7bea7798e"" enable=""false""/>
</assemblyBinding>
</runtime>
</configuration>");
var silverlight = Temp.CreateFile().WriteAllBytes(Silverlight.System).Path;
var net4_0dll = Temp.CreateFile().WriteAllBytes(Net461.Resources.System).Path;
// Test linking two appconfig dlls with simple src
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = CreateCSharpCompiler(null, srcDirectory,
new[] { "/nologo",
"/r:" + silverlight,
"/r:" + net4_0dll,
"/appconfig:" + appConfigFile.Path,
srcFile.Path }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(srcFile.Path);
CleanupAllGeneratedFiles(appConfigFile.Path);
}
[ConditionalFact(typeof(WindowsOnly))]
public void AppConfigBasicFail()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class A { static void Main(string[] args) { } }");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
string root = Path.GetPathRoot(srcDirectory); // Make sure we pick a drive that exists and is plugged in to avoid 'Drive not ready'
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = CreateCSharpCompiler(null, srcDirectory,
new[] { "/nologo", "/preferreduilang:en",
$@"/appconfig:{root}DoesNotExist\NOwhere\bonobo.exe.config" ,
srcFile.Path }).Run(outWriter);
Assert.NotEqual(0, exitCode);
Assert.Equal($@"error CS7093: Cannot read config file '{root}DoesNotExist\NOwhere\bonobo.exe.config' -- 'Could not find a part of the path '{root}DoesNotExist\NOwhere\bonobo.exe.config'.'", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(srcFile.Path);
}
[ConditionalFact(typeof(WindowsOnly))]
public void ParseDocAndOut()
{
const string baseDirectory = @"C:\abc\def\baz";
// Can specify separate directories for binary and XML output.
var parsedArgs = DefaultParse(new[] { @"/doc:a\b.xml", @"/out:c\d.exe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\baz\a\b.xml", parsedArgs.DocumentationPath);
Assert.Equal(@"C:\abc\def\baz\c", parsedArgs.OutputDirectory);
Assert.Equal("d.exe", parsedArgs.OutputFileName);
// XML does not fall back on output directory.
parsedArgs = DefaultParse(new[] { @"/doc:b.xml", @"/out:c\d.exe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\baz\b.xml", parsedArgs.DocumentationPath);
Assert.Equal(@"C:\abc\def\baz\c", parsedArgs.OutputDirectory);
Assert.Equal("d.exe", parsedArgs.OutputFileName);
}
[ConditionalFact(typeof(WindowsOnly))]
public void ParseErrorLogAndOut()
{
const string baseDirectory = @"C:\abc\def\baz";
// Can specify separate directories for binary and error log output.
var parsedArgs = DefaultParse(new[] { @"/errorlog:a\b.xml", @"/out:c\d.exe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\baz\a\b.xml", parsedArgs.ErrorLogOptions.Path);
Assert.Equal(@"C:\abc\def\baz\c", parsedArgs.OutputDirectory);
Assert.Equal("d.exe", parsedArgs.OutputFileName);
// XML does not fall back on output directory.
parsedArgs = DefaultParse(new[] { @"/errorlog:b.xml", @"/out:c\d.exe", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(@"C:\abc\def\baz\b.xml", parsedArgs.ErrorLogOptions.Path);
Assert.Equal(@"C:\abc\def\baz\c", parsedArgs.OutputDirectory);
Assert.Equal("d.exe", parsedArgs.OutputFileName);
}
[Fact]
public void ModuleAssemblyName()
{
var parsedArgs = DefaultParse(new[] { @"/target:module", "/moduleassemblyname:goo", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("goo", parsedArgs.CompilationName);
Assert.Equal("a.netmodule", parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/target:library", "/moduleassemblyname:goo", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS0734: The /moduleassemblyname option may only be specified when building a target type of 'module'
Diagnostic(ErrorCode.ERR_AssemblyNameOnNonModule));
parsedArgs = DefaultParse(new[] { @"/target:exe", "/moduleassemblyname:goo", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS0734: The /moduleassemblyname option may only be specified when building a target type of 'module'
Diagnostic(ErrorCode.ERR_AssemblyNameOnNonModule));
parsedArgs = DefaultParse(new[] { @"/target:winexe", "/moduleassemblyname:goo", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS0734: The /moduleassemblyname option may only be specified when building a target type of 'module'
Diagnostic(ErrorCode.ERR_AssemblyNameOnNonModule));
}
[Fact]
public void ModuleName()
{
var parsedArgs = DefaultParse(new[] { @"/target:module", "/modulename:goo", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("goo", parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/target:library", "/modulename:bar", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("bar", parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/target:exe", "/modulename:CommonLanguageRuntimeLibrary", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("CommonLanguageRuntimeLibrary", parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/target:winexe", "/modulename:goo", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("goo", parsedArgs.CompilationOptions.ModuleName);
parsedArgs = DefaultParse(new[] { @"/target:exe", "/modulename:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'modulename' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "modulename").WithLocation(1, 1)
);
}
[Fact]
public void ModuleName001()
{
var dir = Temp.CreateDirectory();
var file1 = dir.CreateFile("a.cs");
file1.WriteAllText(@"
class c1
{
public static void Main(){}
}
");
var exeName = "aa.exe";
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/modulename:hocusPocus ", "/out:" + exeName + " ", file1.Path });
int exitCode = csc.Run(outWriter);
if (exitCode != 0)
{
Console.WriteLine(outWriter.ToString());
Assert.Equal(0, exitCode);
}
Assert.Equal(1, Directory.EnumerateFiles(dir.Path, exeName).Count());
using (var metadata = ModuleMetadata.CreateFromImage(File.ReadAllBytes(Path.Combine(dir.Path, "aa.exe"))))
{
var peReader = metadata.Module.GetMetadataReader();
Assert.True(peReader.IsAssembly);
Assert.Equal("aa", peReader.GetString(peReader.GetAssemblyDefinition().Name));
Assert.Equal("hocusPocus", peReader.GetString(peReader.GetModuleDefinition().Name));
}
if (System.IO.File.Exists(exeName))
{
System.IO.File.Delete(exeName);
}
CleanupAllGeneratedFiles(file1.Path);
}
[Fact]
public void ParsePlatform()
{
var parsedArgs = DefaultParse(new[] { @"/platform:x64", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.Equal(Platform.X64, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { @"/platform:X86", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.Equal(Platform.X86, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { @"/platform:itanum", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadPlatformType, parsedArgs.Errors.First().Code);
Assert.Equal(Platform.AnyCpu, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { "/platform:itanium", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Platform.Itanium, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { "/platform:anycpu", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Platform.AnyCpu, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { "/platform:anycpu32bitpreferred", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Platform.AnyCpu32BitPreferred, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { "/platform:arm", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Platform.Arm, parsedArgs.CompilationOptions.Platform);
parsedArgs = DefaultParse(new[] { "/platform", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<string>' for 'platform' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<string>", "/platform"));
Assert.Equal(Platform.AnyCpu, parsedArgs.CompilationOptions.Platform); //anycpu is default
parsedArgs = DefaultParse(new[] { "/platform:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<string>' for 'platform' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<string>", "/platform:"));
Assert.Equal(Platform.AnyCpu, parsedArgs.CompilationOptions.Platform); //anycpu is default
}
[WorkItem(546016, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546016")]
[WorkItem(545997, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545997")]
[WorkItem(546019, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546019")]
[WorkItem(546029, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546029")]
[Fact]
public void ParseBaseAddress()
{
var parsedArgs = DefaultParse(new[] { @"/baseaddress:x64", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadBaseNumber, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { @"/platform:x64", @"/baseaddress:0x8000000000011111", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.Equal(0x8000000000011111ul, parsedArgs.EmitOptions.BaseAddress);
parsedArgs = DefaultParse(new[] { @"/platform:x86", @"/baseaddress:0x8000000000011111", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadBaseNumber, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { @"/baseaddress:", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_SwitchNeedsNumber, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { @"/baseaddress:-23", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadBaseNumber, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { @"/platform:x64", @"/baseaddress:01777777777777777777777", "a.cs" }, WorkingDirectory);
Assert.Equal(ulong.MaxValue, parsedArgs.EmitOptions.BaseAddress);
parsedArgs = DefaultParse(new[] { @"/platform:x64", @"/baseaddress:0x0000000100000000", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { @"/platform:x64", @"/baseaddress:0xffff8000", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "test.cs", "/platform:x86", "/baseaddress:0xffffffff" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadBaseNumber).WithArguments("0xFFFFFFFF"));
parsedArgs = DefaultParse(new[] { "test.cs", "/platform:x86", "/baseaddress:0xffff8000" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadBaseNumber).WithArguments("0xFFFF8000"));
parsedArgs = DefaultParse(new[] { "test.cs", "/baseaddress:0xffff8000" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadBaseNumber).WithArguments("0xFFFF8000"));
parsedArgs = DefaultParse(new[] { "C:\\test.cs", "/platform:x86", "/baseaddress:0xffff7fff" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "C:\\test.cs", "/platform:x64", "/baseaddress:0xffff8000" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "C:\\test.cs", "/platform:x64", "/baseaddress:0x100000000" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "test.cs", "/baseaddress:0xFFFF0000FFFF0000" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadBaseNumber).WithArguments("0xFFFF0000FFFF0000"));
parsedArgs = DefaultParse(new[] { "C:\\test.cs", "/platform:x64", "/baseaddress:0x10000000000000000" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadBaseNumber).WithArguments("0x10000000000000000"));
parsedArgs = DefaultParse(new[] { "C:\\test.cs", "/baseaddress:0xFFFF0000FFFF0000" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadBaseNumber).WithArguments("0xFFFF0000FFFF0000"));
}
[Fact]
public void ParseFileAlignment()
{
var parsedArgs = DefaultParse(new[] { @"/filealign:x64", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2024: Invalid file section alignment number 'x64'
Diagnostic(ErrorCode.ERR_InvalidFileAlignment).WithArguments("x64"));
parsedArgs = DefaultParse(new[] { @"/filealign:0x200", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(0x200, parsedArgs.EmitOptions.FileAlignment);
parsedArgs = DefaultParse(new[] { @"/filealign:512", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(512, parsedArgs.EmitOptions.FileAlignment);
parsedArgs = DefaultParse(new[] { @"/filealign:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for 'filealign' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("filealign"));
parsedArgs = DefaultParse(new[] { @"/filealign:-23", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2024: Invalid file section alignment number '-23'
Diagnostic(ErrorCode.ERR_InvalidFileAlignment).WithArguments("-23"));
parsedArgs = DefaultParse(new[] { @"/filealign:020000", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(8192, parsedArgs.EmitOptions.FileAlignment);
parsedArgs = DefaultParse(new[] { @"/filealign:0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2024: Invalid file section alignment number '0'
Diagnostic(ErrorCode.ERR_InvalidFileAlignment).WithArguments("0"));
parsedArgs = DefaultParse(new[] { @"/filealign:123", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2024: Invalid file section alignment number '123'
Diagnostic(ErrorCode.ERR_InvalidFileAlignment).WithArguments("123"));
}
[ConditionalFact(typeof(WindowsOnly))]
public void SdkPathAndLibEnvVariable()
{
var dir = Temp.CreateDirectory();
var lib1 = dir.CreateDirectory("lib1");
var lib2 = dir.CreateDirectory("lib2");
var lib3 = dir.CreateDirectory("lib3");
var sdkDirectory = SdkDirectory;
var parsedArgs = DefaultParse(new[] { @"/lib:lib1", @"/libpath:lib2", @"/libpaths:lib3", "a.cs" }, dir.Path, sdkDirectory: sdkDirectory);
AssertEx.Equal(new[]
{
sdkDirectory,
lib1.Path,
lib2.Path,
lib3.Path
}, parsedArgs.ReferencePaths);
}
[ConditionalFact(typeof(WindowsOnly))]
public void SdkPathAndLibEnvVariable_Errors()
{
var parsedArgs = DefaultParse(new[] { @"/lib:c:lib2", @"/lib:o:\sdk1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS1668: Invalid search path 'c:lib2' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@"c:lib2", "/LIB option", "path is too long or invalid"),
// warning CS1668: Invalid search path 'o:\sdk1' specified in '/LIB option' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@"o:\sdk1", "/LIB option", "directory does not exist"));
parsedArgs = DefaultParse(new[] { @"/lib:c:\Windows,o:\Windows;e:;", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS1668: Invalid search path 'o:\Windows' specified in '/LIB option' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@"o:\Windows", "/LIB option", "directory does not exist"),
// warning CS1668: Invalid search path 'e:' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@"e:", "/LIB option", "path is too long or invalid"));
parsedArgs = DefaultParse(new[] { @"/lib:c:\Windows,.\Windows;e;", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS1668: Invalid search path '.\Windows' specified in '/LIB option' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@".\Windows", "/LIB option", "directory does not exist"),
// warning CS1668: Invalid search path 'e' specified in '/LIB option' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@"e", "/LIB option", "directory does not exist"));
parsedArgs = DefaultParse(new[] { @"/lib:c:\Windows,o:\Windows;e:; ; ; ; ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS1668: Invalid search path 'o:\Windows' specified in '/LIB option' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(@"o:\Windows", "/LIB option", "directory does not exist"),
// warning CS1668: Invalid search path 'e:' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments("e:", "/LIB option", "path is too long or invalid"),
// warning CS1668: Invalid search path ' ' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(" ", "/LIB option", "path is too long or invalid"),
// warning CS1668: Invalid search path ' ' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(" ", "/LIB option", "path is too long or invalid"),
// warning CS1668: Invalid search path ' ' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments(" ", "/LIB option", "path is too long or invalid"));
parsedArgs = DefaultParse(new[] { @"/lib", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<path list>", "lib"));
parsedArgs = DefaultParse(new[] { @"/lib:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<path list>", "lib"));
parsedArgs = DefaultParse(new[] { @"/lib+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/lib+"));
parsedArgs = DefaultParse(new[] { @"/lib: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<path list>", "lib"));
}
[Fact, WorkItem(546005, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546005")]
public void SdkPathAndLibEnvVariable_Relative_csc()
{
var tempFolder = Temp.CreateDirectory();
var baseDirectory = tempFolder.ToString();
var subFolder = tempFolder.CreateDirectory("temp");
var subDirectory = subFolder.ToString();
var src = Temp.CreateFile("a.cs");
src.WriteAllText("public class C{}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, subDirectory, new[] { "/nologo", "/t:library", "/out:abc.xyz", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, baseDirectory, new[] { "/nologo", "/lib:temp", "/r:abc.xyz", "/t:library", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(src.Path);
}
[Fact]
public void UnableWriteOutput()
{
var tempFolder = Temp.CreateDirectory();
var baseDirectory = tempFolder.ToString();
var subFolder = tempFolder.CreateDirectory("temp");
var src = Temp.CreateFile("a.cs");
src.WriteAllText("public class C{}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", "/out:" + subFolder.ToString(), src.ToString() }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.True(outWriter.ToString().Trim().StartsWith("error CS2012: Cannot open '" + subFolder.ToString() + "' for writing -- '", StringComparison.Ordinal)); // Cannot create a file when that file already exists.
CleanupAllGeneratedFiles(src.Path);
}
[Fact]
public void ParseHighEntropyVA()
{
var parsedArgs = DefaultParse(new[] { @"/highentropyva", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.True(parsedArgs.EmitOptions.HighEntropyVirtualAddressSpace);
parsedArgs = DefaultParse(new[] { @"/highentropyva+", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.True(parsedArgs.EmitOptions.HighEntropyVirtualAddressSpace);
parsedArgs = DefaultParse(new[] { @"/highentropyva-", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.False(parsedArgs.EmitOptions.HighEntropyVirtualAddressSpace);
parsedArgs = DefaultParse(new[] { @"/highentropyva:-", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal(EmitOptions.Default.HighEntropyVirtualAddressSpace, parsedArgs.EmitOptions.HighEntropyVirtualAddressSpace);
parsedArgs = DefaultParse(new[] { @"/highentropyva:", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal(EmitOptions.Default.HighEntropyVirtualAddressSpace, parsedArgs.EmitOptions.HighEntropyVirtualAddressSpace);
//last one wins
parsedArgs = DefaultParse(new[] { @"/highenTROPyva+", @"/HIGHentropyva-", "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.Errors.Any());
Assert.False(parsedArgs.EmitOptions.HighEntropyVirtualAddressSpace);
}
[Fact]
public void Checked()
{
var parsedArgs = DefaultParse(new[] { @"/checked+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.CheckOverflow);
parsedArgs = DefaultParse(new[] { @"/checked-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.CheckOverflow);
parsedArgs = DefaultParse(new[] { @"/checked", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.CheckOverflow);
parsedArgs = DefaultParse(new[] { @"/checked-", @"/checked", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.CheckOverflow);
parsedArgs = DefaultParse(new[] { @"/checked:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/checked:"));
}
[Fact]
public void Nullable()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Enabled' for C# 7.0. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Enable", "7.0", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:yes", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'yes' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("yes").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:enable", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Enable' for C# 7.0. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Enable", "7.0", "8.0").WithLocation(1, 1));
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:disable", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1));
parsedArgs = DefaultParse(new[] { @"/nullable+", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:yes", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'yes' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("yes").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:eNable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:disablE", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Safeonly", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'Safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("Safeonly").WithLocation(1, 1)
);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable-", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable+", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:YES", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'YES' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("YES").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:disable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:enable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:safeonly", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable-", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable+", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:YES", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'YES' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("YES").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:disable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:enable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:safeonly", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable-", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable+", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable:", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1),
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable:YES", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1),
// error CS8636: Invalid option 'YES' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("YES").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable:disable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable:enable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", @"/nullable:safeonly", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1),
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:yeS", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'yeS' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("yeS").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Enable' for C# 7.3. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Enable", "7.3", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Enabled' for C# 7.3. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Enable", "7.3", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:enable", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Enabled' for C# 7.3. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Enable", "7.3", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:disable", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonly", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { "a.cs", "/langversion:8" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { "a.cs", "/langversion:7.3" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:""safeonly""", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonly' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonly").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:\""enable\""", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option '"enable"' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("\"enable\"").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:\\disable\\", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option '\\disable\\' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("\\\\disable\\\\").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:\\""enable\\""", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option '\enable\' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("\\enable\\").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:safeonlywarnings", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonlywarnings' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonlywarnings").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:SafeonlyWarnings", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'SafeonlyWarnings' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("SafeonlyWarnings").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:safeonlyWarnings", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'safeonlyWarnings' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("safeonlyWarnings").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:warnings", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Warnings' for C# 7.0. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Warnings", "7.0", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:Warnings", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:Warnings", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable-", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable+", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable:", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable:YES", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'YES' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("YES").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable:disable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable:enable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", @"/nullable:Warnings", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Warnings", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Annotations' for C# 7.3. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Warnings", "7.3", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Warnings, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:annotations", "/langversion:7.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Annotations' for C# 7.0. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Annotations", "7.0", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable-", @"/nullable:Annotations", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable+", @"/nullable:Annotations", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable-", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable+", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable:", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'nullable' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "nullable").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable:YES", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8636: Invalid option 'YES' for /nullable; must be 'disable', 'enable', 'warnings' or 'annotations'
Diagnostic(ErrorCode.ERR_BadNullableContextOption).WithArguments("YES").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable:disable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Disable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable:enable", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Enable, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", @"/nullable:Annotations", "/langversion:8", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
parsedArgs = DefaultParse(new[] { @"/nullable:Annotations", "/langversion:7.3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS8630: Invalid 'nullable' value: 'Annotations' for C# 7.3. Please use language version '8.0' or greater.
Diagnostic(ErrorCode.ERR_NullableOptionNotAvailable).WithArguments("nullable", "Annotations", "7.3", "8.0").WithLocation(1, 1)
);
Assert.Equal(NullableContextOptions.Annotations, parsedArgs.CompilationOptions.NullableContextOptions);
}
[Fact]
public void Usings()
{
CSharpCommandLineArguments parsedArgs;
var sdkDirectory = SdkDirectory;
parsedArgs = CSharpCommandLineParser.Script.Parse(new string[] { "/u:Goo.Bar" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "Goo.Bar" }, parsedArgs.CompilationOptions.Usings.AsEnumerable());
parsedArgs = CSharpCommandLineParser.Script.Parse(new string[] { "/u:Goo.Bar;Baz", "/using:System.Core;System" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "Goo.Bar", "Baz", "System.Core", "System" }, parsedArgs.CompilationOptions.Usings.AsEnumerable());
parsedArgs = CSharpCommandLineParser.Script.Parse(new string[] { "/u:Goo;;Bar" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify();
AssertEx.Equal(new[] { "Goo", "Bar" }, parsedArgs.CompilationOptions.Usings.AsEnumerable());
parsedArgs = CSharpCommandLineParser.Script.Parse(new string[] { "/u:" }, WorkingDirectory, sdkDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<namespace>' for '/u:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<namespace>", "/u:"));
}
[Fact]
public void WarningsErrors()
{
var parsedArgs = DefaultParse(new string[] { "/nowarn", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for 'nowarn' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("nowarn"));
parsedArgs = DefaultParse(new string[] { "/nowarn:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for 'nowarn' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("nowarn"));
// Previous versions of the compiler used to report a warning (CS1691)
// whenever an unrecognized warning code was supplied via /nowarn or /warnaserror.
// We no longer generate a warning in such cases.
parsedArgs = DefaultParse(new string[] { "/nowarn:-1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/nowarn:abc", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/warnaserror:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for 'warnaserror' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("warnaserror"));
parsedArgs = DefaultParse(new string[] { "/warnaserror:-1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/warnaserror:70000", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/warnaserror:abc", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/warnaserror+:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for '/warnaserror+:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("warnaserror+"));
parsedArgs = DefaultParse(new string[] { "/warnaserror-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for '/warnaserror-:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("warnaserror-"));
parsedArgs = DefaultParse(new string[] { "/w", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for '/w' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("w"));
parsedArgs = DefaultParse(new string[] { "/w:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for '/w:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("w"));
parsedArgs = DefaultParse(new string[] { "/warn:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2035: Command-line syntax error: Missing ':<number>' for '/warn:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsNumber).WithArguments("warn"));
parsedArgs = DefaultParse(new string[] { "/w:-1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS1900: Warning level must be zero or greater
Diagnostic(ErrorCode.ERR_BadWarningLevel));
parsedArgs = DefaultParse(new string[] { "/w:5", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/warn:-1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS1900: Warning level must be zero or greater
Diagnostic(ErrorCode.ERR_BadWarningLevel));
parsedArgs = DefaultParse(new string[] { "/warn:5", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
// Previous versions of the compiler used to report a warning (CS1691)
// whenever an unrecognized warning code was supplied via /nowarn or /warnaserror.
// We no longer generate a warning in such cases.
parsedArgs = DefaultParse(new string[] { "/warnaserror:1,2,3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/nowarn:1,2,3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new string[] { "/nowarn:1;2;;3", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
}
private static void AssertSpecificDiagnostics(int[] expectedCodes, ReportDiagnostic[] expectedOptions, CSharpCommandLineArguments args)
{
var actualOrdered = args.CompilationOptions.SpecificDiagnosticOptions.OrderBy(entry => entry.Key);
AssertEx.Equal(
expectedCodes.Select(i => MessageProvider.Instance.GetIdForErrorCode(i)),
actualOrdered.Select(entry => entry.Key));
AssertEx.Equal(expectedOptions, actualOrdered.Select(entry => entry.Value));
}
[Fact]
public void WarningsParse()
{
var parsedArgs = DefaultParse(new string[] { "/warnaserror", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Error, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
Assert.Equal(0, parsedArgs.CompilationOptions.SpecificDiagnosticOptions.Count);
parsedArgs = DefaultParse(new string[] { "/warnaserror:1062,1066,1734", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734 }, new[] { ReportDiagnostic.Error, ReportDiagnostic.Error, ReportDiagnostic.Error }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror:+1062,+1066,+1734", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734 }, new[] { ReportDiagnostic.Error, ReportDiagnostic.Error, ReportDiagnostic.Error }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Error, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new int[0], new ReportDiagnostic[0], parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror+:1062,1066,1734", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734 }, new[] { ReportDiagnostic.Error, ReportDiagnostic.Error, ReportDiagnostic.Error }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new int[0], new ReportDiagnostic[0], parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror-:1062,1066,1734", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734 }, new[] { ReportDiagnostic.Default, ReportDiagnostic.Default, ReportDiagnostic.Default }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror+:1062,1066,1734", "/warnaserror-:1762,1974", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(
new[] { 1062, 1066, 1734, 1762, 1974 },
new[] { ReportDiagnostic.Error, ReportDiagnostic.Error, ReportDiagnostic.Error, ReportDiagnostic.Default, ReportDiagnostic.Default },
parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror+:1062,1066,1734", "/warnaserror-:1062,1974", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
Assert.Equal(4, parsedArgs.CompilationOptions.SpecificDiagnosticOptions.Count);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734, 1974 }, new[] { ReportDiagnostic.Default, ReportDiagnostic.Error, ReportDiagnostic.Error, ReportDiagnostic.Default }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror-:1062,1066,1734", "/warnaserror+:1062,1974", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734, 1974 }, new[] { ReportDiagnostic.Error, ReportDiagnostic.Default, ReportDiagnostic.Default, ReportDiagnostic.Error }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/w:1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(1, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new int[0], new ReportDiagnostic[0], parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warn:1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(1, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new int[0], new ReportDiagnostic[0], parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warn:1", "/warnaserror+:1062,1974", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(1, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1974 }, new[] { ReportDiagnostic.Error, ReportDiagnostic.Error }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/nowarn:1062,1066,1734", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734 }, new[] { ReportDiagnostic.Suppress, ReportDiagnostic.Suppress, ReportDiagnostic.Suppress }, parsedArgs);
parsedArgs = DefaultParse(new string[] { @"/nowarn:""1062 1066 1734""", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734 }, new[] { ReportDiagnostic.Suppress, ReportDiagnostic.Suppress, ReportDiagnostic.Suppress }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/nowarn:1062,1066,1734", "/warnaserror:1066,1762", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734, 1762 }, new[] { ReportDiagnostic.Suppress, ReportDiagnostic.Suppress, ReportDiagnostic.Suppress, ReportDiagnostic.Error }, parsedArgs);
parsedArgs = DefaultParse(new string[] { "/warnaserror:1066,1762", "/nowarn:1062,1066,1734", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ReportDiagnostic.Default, parsedArgs.CompilationOptions.GeneralDiagnosticOption);
Assert.Equal(4, parsedArgs.CompilationOptions.WarningLevel);
AssertSpecificDiagnostics(new[] { 1062, 1066, 1734, 1762 }, new[] { ReportDiagnostic.Suppress, ReportDiagnostic.Suppress, ReportDiagnostic.Suppress, ReportDiagnostic.Error }, parsedArgs);
}
[Fact]
public void AllowUnsafe()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/unsafe", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.AllowUnsafe);
parsedArgs = DefaultParse(new[] { "/unsafe+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.AllowUnsafe);
parsedArgs = DefaultParse(new[] { "/UNSAFE-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.AllowUnsafe);
parsedArgs = DefaultParse(new[] { "/unsafe-", "/unsafe+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.AllowUnsafe);
parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory); // default
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.AllowUnsafe);
parsedArgs = DefaultParse(new[] { "/unsafe:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/unsafe:"));
parsedArgs = DefaultParse(new[] { "/unsafe:+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/unsafe:+"));
parsedArgs = DefaultParse(new[] { "/unsafe-:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/unsafe-:"));
}
[Fact]
public void DelaySign()
{
CSharpCommandLineArguments parsedArgs;
parsedArgs = DefaultParse(new[] { "/delaysign", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.NotNull(parsedArgs.CompilationOptions.DelaySign);
Assert.True((bool)parsedArgs.CompilationOptions.DelaySign);
parsedArgs = DefaultParse(new[] { "/delaysign+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.NotNull(parsedArgs.CompilationOptions.DelaySign);
Assert.True((bool)parsedArgs.CompilationOptions.DelaySign);
parsedArgs = DefaultParse(new[] { "/DELAYsign-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.NotNull(parsedArgs.CompilationOptions.DelaySign);
Assert.False((bool)parsedArgs.CompilationOptions.DelaySign);
parsedArgs = DefaultParse(new[] { "/delaysign:-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/delaysign:-'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/delaysign:-"));
Assert.Null(parsedArgs.CompilationOptions.DelaySign);
}
[Fact]
public void PublicSign()
{
var parsedArgs = DefaultParse(new[] { "/publicsign", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.PublicSign);
parsedArgs = DefaultParse(new[] { "/publicsign+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.CompilationOptions.PublicSign);
parsedArgs = DefaultParse(new[] { "/PUBLICsign-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.CompilationOptions.PublicSign);
parsedArgs = DefaultParse(new[] { "/publicsign:-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/publicsign:-'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/publicsign:-").WithLocation(1, 1));
Assert.False(parsedArgs.CompilationOptions.PublicSign);
}
[WorkItem(8360, "https://github.com/dotnet/roslyn/issues/8360")]
[Fact]
public void PublicSign_KeyFileRelativePath()
{
var parsedArgs = DefaultParse(new[] { "/publicsign", "/keyfile:test.snk", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "test.snk"), parsedArgs.CompilationOptions.CryptoKeyFile);
}
[Fact]
[WorkItem(11497, "https://github.com/dotnet/roslyn/issues/11497")]
public void PublicSignWithEmptyKeyPath()
{
DefaultParse(new[] { "/publicsign", "/keyfile:", "a.cs" }, WorkingDirectory).Errors.Verify(
// error CS2005: Missing file specification for 'keyfile' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("keyfile").WithLocation(1, 1));
}
[Fact]
[WorkItem(11497, "https://github.com/dotnet/roslyn/issues/11497")]
public void PublicSignWithEmptyKeyPath2()
{
DefaultParse(new[] { "/publicsign", "/keyfile:\"\"", "a.cs" }, WorkingDirectory).Errors.Verify(
// error CS2005: Missing file specification for 'keyfile' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("keyfile").WithLocation(1, 1));
}
[WorkItem(546301, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546301")]
[Fact]
public void SubsystemVersionTests()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/subsystemversion:4.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(SubsystemVersion.Create(4, 0), parsedArgs.EmitOptions.SubsystemVersion);
// wrongly supported subsystem version. CompilationOptions data will be faithful to the user input.
// It is normalized at the time of emit.
parsedArgs = DefaultParse(new[] { "/subsystemversion:0.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(); // no error in Dev11
Assert.Equal(SubsystemVersion.Create(0, 0), parsedArgs.EmitOptions.SubsystemVersion);
parsedArgs = DefaultParse(new[] { "/subsystemversion:0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(); // no error in Dev11
Assert.Equal(SubsystemVersion.Create(0, 0), parsedArgs.EmitOptions.SubsystemVersion);
parsedArgs = DefaultParse(new[] { "/subsystemversion:3.99", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(); // no error in Dev11
Assert.Equal(SubsystemVersion.Create(3, 99), parsedArgs.EmitOptions.SubsystemVersion);
parsedArgs = DefaultParse(new[] { "/subsystemversion:4.0", "/SUBsystemversion:5.333", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(SubsystemVersion.Create(5, 333), parsedArgs.EmitOptions.SubsystemVersion);
parsedArgs = DefaultParse(new[] { "/subsystemversion:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "subsystemversion"));
parsedArgs = DefaultParse(new[] { "/subsystemversion", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "subsystemversion"));
parsedArgs = DefaultParse(new[] { "/subsystemversion-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/subsystemversion-"));
parsedArgs = DefaultParse(new[] { "/subsystemversion: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "subsystemversion"));
parsedArgs = DefaultParse(new[] { "/subsystemversion: 4.1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments(" 4.1"));
parsedArgs = DefaultParse(new[] { "/subsystemversion:4 .0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("4 .0"));
parsedArgs = DefaultParse(new[] { "/subsystemversion:4. 0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("4. 0"));
parsedArgs = DefaultParse(new[] { "/subsystemversion:.", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("."));
parsedArgs = DefaultParse(new[] { "/subsystemversion:4.", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("4."));
parsedArgs = DefaultParse(new[] { "/subsystemversion:.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments(".0"));
parsedArgs = DefaultParse(new[] { "/subsystemversion:4.2 ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/subsystemversion:4.65536", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("4.65536"));
parsedArgs = DefaultParse(new[] { "/subsystemversion:65536.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("65536.0"));
parsedArgs = DefaultParse(new[] { "/subsystemversion:-4.0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_InvalidSubsystemVersion).WithArguments("-4.0"));
// TODO: incompatibilities: versions lower than '6.2' and 'arm', 'winmdobj', 'appcontainer'
}
[Fact]
public void MainType()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/m:A.B.C", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("A.B.C", parsedArgs.CompilationOptions.MainTypeName);
parsedArgs = DefaultParse(new[] { "/m: ", "a.cs" }, WorkingDirectory); // Mimicking Dev11
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "m"));
Assert.Null(parsedArgs.CompilationOptions.MainTypeName);
// overriding the value
parsedArgs = DefaultParse(new[] { "/m:A.B.C", "/MAIN:X.Y.Z", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("X.Y.Z", parsedArgs.CompilationOptions.MainTypeName);
// error
parsedArgs = DefaultParse(new[] { "/maiN:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "main"));
parsedArgs = DefaultParse(new[] { "/MAIN+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/MAIN+"));
parsedArgs = DefaultParse(new[] { "/M", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "m"));
// incompatible values /main && /target
parsedArgs = DefaultParse(new[] { "/main:a", "/t:library", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoMainOnDLL));
parsedArgs = DefaultParse(new[] { "/main:a", "/t:module", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoMainOnDLL));
}
[Fact]
public void Codepage()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/CodePage:1200", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("Unicode", parsedArgs.Encoding.EncodingName);
parsedArgs = DefaultParse(new[] { "/CodePage:1200", "/codePAGE:65001", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("Unicode (UTF-8)", parsedArgs.Encoding.EncodingName);
// error
parsedArgs = DefaultParse(new[] { "/codepage:0", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadCodepage).WithArguments("0"));
parsedArgs = DefaultParse(new[] { "/codepage:abc", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadCodepage).WithArguments("abc"));
parsedArgs = DefaultParse(new[] { "/codepage:-5", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadCodepage).WithArguments("-5"));
parsedArgs = DefaultParse(new[] { "/codepage: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadCodepage).WithArguments(""));
parsedArgs = DefaultParse(new[] { "/codepage:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadCodepage).WithArguments(""));
parsedArgs = DefaultParse(new[] { "/codepage", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "codepage"));
parsedArgs = DefaultParse(new[] { "/codepage+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/codepage+"));
}
[Fact, WorkItem(24735, "https://github.com/dotnet/roslyn/issues/24735")]
public void ChecksumAlgorithm()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/checksumAlgorithm:sHa1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(SourceHashAlgorithm.Sha1, parsedArgs.ChecksumAlgorithm);
Assert.Equal(HashAlgorithmName.SHA256, parsedArgs.EmitOptions.PdbChecksumAlgorithm);
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm:sha256", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(SourceHashAlgorithm.Sha256, parsedArgs.ChecksumAlgorithm);
Assert.Equal(HashAlgorithmName.SHA256, parsedArgs.EmitOptions.PdbChecksumAlgorithm);
parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(SourceHashAlgorithm.Sha256, parsedArgs.ChecksumAlgorithm);
Assert.Equal(HashAlgorithmName.SHA256, parsedArgs.EmitOptions.PdbChecksumAlgorithm);
// error
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm:256", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadChecksumAlgorithm).WithArguments("256"));
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm:sha-1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadChecksumAlgorithm).WithArguments("sha-1"));
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm:sha", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.FTL_BadChecksumAlgorithm).WithArguments("sha"));
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "checksumalgorithm"));
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "checksumalgorithm"));
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "checksumalgorithm"));
parsedArgs = DefaultParse(new[] { "/checksumAlgorithm+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/checksumAlgorithm+"));
}
[Fact]
public void AddModule()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/noconfig", "/nostdlib", "/addmodule:abc.netmodule", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(1, parsedArgs.MetadataReferences.Length);
Assert.Equal("abc.netmodule", parsedArgs.MetadataReferences[0].Reference);
Assert.Equal(MetadataImageKind.Module, parsedArgs.MetadataReferences[0].Properties.Kind);
parsedArgs = DefaultParse(new[] { "/noconfig", "/nostdlib", "/aDDmodule:c:\\abc;c:\\abc;d:\\xyz", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(3, parsedArgs.MetadataReferences.Length);
Assert.Equal("c:\\abc", parsedArgs.MetadataReferences[0].Reference);
Assert.Equal(MetadataImageKind.Module, parsedArgs.MetadataReferences[0].Properties.Kind);
Assert.Equal("c:\\abc", parsedArgs.MetadataReferences[1].Reference);
Assert.Equal(MetadataImageKind.Module, parsedArgs.MetadataReferences[1].Properties.Kind);
Assert.Equal("d:\\xyz", parsedArgs.MetadataReferences[2].Reference);
Assert.Equal(MetadataImageKind.Module, parsedArgs.MetadataReferences[2].Properties.Kind);
// error
parsedArgs = DefaultParse(new[] { "/ADDMODULE", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/addmodule:"));
parsedArgs = DefaultParse(new[] { "/ADDMODULE+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/ADDMODULE+"));
parsedArgs = DefaultParse(new[] { "/ADDMODULE:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("/ADDMODULE:"));
}
[Fact, WorkItem(530751, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530751")]
public void CS7061fromCS0647_ModuleWithCompilationRelaxations()
{
string source1 = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
using System.Runtime.CompilerServices;
[assembly: CompilationRelaxations(CompilationRelaxations.NoStringInterning)]
public class Mod { }").Path;
string source2 = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
using System.Runtime.CompilerServices;
[assembly: CompilationRelaxations(4)]
public class Mod { }").Path;
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
using System.Runtime.CompilerServices;
[assembly: CompilationRelaxations(CompilationRelaxations.NoStringInterning)]
class Test { static void Main() {} }").Path;
var baseDir = Path.GetDirectoryName(source);
// === Scenario 1 ===
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/t:module", source1 }).Run(outWriter);
Assert.Equal(0, exitCode);
var modfile = source1.Substring(0, source1.Length - 2) + "netmodule";
outWriter = new StringWriter(CultureInfo.InvariantCulture);
var parsedArgs = DefaultParse(new[] { "/nologo", "/addmodule:" + modfile, source }, WorkingDirectory);
parsedArgs.Errors.Verify();
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/addmodule:" + modfile, source }).Run(outWriter);
Assert.Empty(outWriter.ToString());
// === Scenario 2 ===
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/t:module", source2 }).Run(outWriter);
Assert.Equal(0, exitCode);
modfile = source2.Substring(0, source2.Length - 2) + "netmodule";
outWriter = new StringWriter(CultureInfo.InvariantCulture);
parsedArgs = DefaultParse(new[] { "/nologo", "/addmodule:" + modfile, source }, WorkingDirectory);
parsedArgs.Errors.Verify();
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/preferreduilang:en", "/addmodule:" + modfile, source }).Run(outWriter);
Assert.Equal(1, exitCode);
// Dev11: CS0647 (Emit)
Assert.Contains("error CS7061: Duplicate 'CompilationRelaxationsAttribute' attribute in", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(source1);
CleanupAllGeneratedFiles(source2);
CleanupAllGeneratedFiles(source);
}
[Fact, WorkItem(530780, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530780")]
public void AddModuleWithExtensionMethod()
{
string source1 = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"public static class Extensions { public static bool EB(this bool b) { return b; } }").Path;
string source2 = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"class C { static void Main() {} }").Path;
var baseDir = Path.GetDirectoryName(source2);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/t:module", source1 }).Run(outWriter);
Assert.Equal(0, exitCode);
var modfile = source1.Substring(0, source1.Length - 2) + "netmodule";
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/addmodule:" + modfile, source2 }).Run(outWriter);
Assert.Equal(0, exitCode);
CleanupAllGeneratedFiles(source1);
CleanupAllGeneratedFiles(source2);
}
[Fact, WorkItem(546297, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546297")]
public void OLDCS0013FTL_MetadataEmitFailureSameModAndRes()
{
string source1 = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"class Mod { }").Path;
string source2 = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"class C { static void Main() {} }").Path;
var baseDir = Path.GetDirectoryName(source2);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/t:module", source1 }).Run(outWriter);
Assert.Equal(0, exitCode);
var modfile = source1.Substring(0, source1.Length - 2) + "netmodule";
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/preferreduilang:en", "/addmodule:" + modfile, "/linkres:" + modfile, source2 }).Run(outWriter);
Assert.Equal(1, exitCode);
// Native gives CS0013 at emit stage
Assert.Equal("error CS7041: Each linked resource and module must have a unique filename. Filename '" + Path.GetFileName(modfile) + "' is specified more than once in this assembly", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source1);
CleanupAllGeneratedFiles(source2);
}
[Fact]
public void Utf8Output()
{
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/utf8output", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True((bool)parsedArgs.Utf8Output);
parsedArgs = DefaultParse(new[] { "/utf8output", "/utf8output", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True((bool)parsedArgs.Utf8Output);
parsedArgs = DefaultParse(new[] { "/utf8output:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/utf8output:"));
}
[Fact]
public void CscCompile_WithSourceCodeRedirectedViaStandardInput_ProducesRunnableProgram()
{
string tempDir = Temp.CreateDirectory().Path;
ProcessResult result = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
ProcessUtilities.Run("cmd", $@"/C echo ^
class A ^
{{ ^
public static void Main() =^^^> ^
System.Console.WriteLine(""Hello World!""); ^
}} | {s_CSharpCompilerExecutable} /nologo /t:exe -"
.Replace(Environment.NewLine, string.Empty), workingDirectory: tempDir) :
ProcessUtilities.Run("/usr/bin/env", $@"sh -c ""echo \
class A \
{{ \
public static void Main\(\) =\> \
System.Console.WriteLine\(\\\""Hello World\!\\\""\)\; \
}} | {s_CSharpCompilerExecutable} /nologo /t:exe -""", workingDirectory: tempDir,
// we are testing shell's piped/redirected stdin behavior explicitly
// instead of using Process.StandardInput.Write(), so we set
// redirectStandardInput to true, which implies that isatty of child
// process is false and thereby Console.IsInputRedirected will return
// true in csc code.
redirectStandardInput: true);
Assert.False(result.ContainsErrors, $"Compilation error(s) occurred: {result.Output} {result.Errors}");
string output = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
ProcessUtilities.RunAndGetOutput("cmd.exe", $@"/C ""{s_DotnetCscRun} -.exe""", expectedRetCode: 0, startFolder: tempDir) :
ProcessUtilities.RunAndGetOutput("sh", $@"-c ""{s_DotnetCscRun} -.exe""", expectedRetCode: 0, startFolder: tempDir);
Assert.Equal("Hello World!", output.Trim());
}
[Fact]
public void CscCompile_WithSourceCodeRedirectedViaStandardInput_ProducesLibrary()
{
var nameGuid = Guid.NewGuid().ToString();
var name = nameGuid + ".dll";
string tempDir = Temp.CreateDirectory().Path;
ProcessResult result = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
ProcessUtilities.Run("cmd", $@"/C echo ^
class A ^
{{ ^
public A Get() =^^^> default; ^
}} | {s_CSharpCompilerExecutable} /nologo /t:library /out:{name} -"
.Replace(Environment.NewLine, string.Empty), workingDirectory: tempDir) :
ProcessUtilities.Run("/usr/bin/env", $@"sh -c ""echo \
class A \
{{ \
public A Get\(\) =\> default\; \
}} | {s_CSharpCompilerExecutable} /nologo /t:library /out:{name} -""", workingDirectory: tempDir,
// we are testing shell's piped/redirected stdin behavior explicitly
// instead of using Process.StandardInput.Write(), so we set
// redirectStandardInput to true, which implies that isatty of child
// process is false and thereby Console.IsInputRedirected will return
// true in csc code.
redirectStandardInput: true);
Assert.False(result.ContainsErrors, $"Compilation error(s) occurred: {result.Output} {result.Errors}");
var assemblyName = AssemblyName.GetAssemblyName(Path.Combine(tempDir, name));
Assert.Equal(nameGuid, assemblyName.Name);
Assert.Equal("0.0.0.0", assemblyName.Version.ToString());
Assert.Equal(string.Empty, assemblyName.CultureName);
Assert.Equal(Array.Empty<byte>(), assemblyName.GetPublicKeyToken());
}
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/55727")]
public void CsiScript_WithSourceCodeRedirectedViaStandardInput_ExecutesNonInteractively()
{
string tempDir = Temp.CreateDirectory().Path;
ProcessResult result = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
ProcessUtilities.Run("cmd", $@"/C echo Console.WriteLine(""Hello World!"") | {s_CSharpScriptExecutable} -") :
ProcessUtilities.Run("/usr/bin/env", $@"sh -c ""echo Console.WriteLine\(\\\""Hello World\!\\\""\) | {s_CSharpScriptExecutable} -""",
workingDirectory: tempDir,
// we are testing shell's piped/redirected stdin behavior explicitly
// instead of using Process.StandardInput.Write(), so we set
// redirectStandardInput to true, which implies that isatty of child
// process is false and thereby Console.IsInputRedirected will return
// true in csc code.
redirectStandardInput: true);
Assert.False(result.ContainsErrors, $"Compilation error(s) occurred: {result.Output} {result.Errors}");
Assert.Equal("Hello World!", result.Output.Trim());
}
[Fact]
public void CscCompile_WithRedirectedInputIndicatorAndStandardInputNotRedirected_ReportsCS8782()
{
if (Console.IsInputRedirected)
{
// [applicable to both Windows and Unix]
// if our parent (xunit) process itself has input redirected, we cannot test this
// error case because our child process will inherit it and we cannot achieve what
// we are aiming for: isatty(0):true and thereby Console.IsInputerRedirected:false in
// child. running this case will make StreamReader to hang (waiting for input, that
// we do not propagate: parent.In->child.In).
//
// note: in Unix we can "close" fd0 by appending `0>&-` in the `sh -c` command below,
// but that will also not impact the result of isatty(), and in turn causes a different
// compiler error.
return;
}
string tempDir = Temp.CreateDirectory().Path;
ProcessResult result = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
ProcessUtilities.Run("cmd", $@"/C ""{s_CSharpCompilerExecutable} /nologo /t:exe -""", workingDirectory: tempDir) :
ProcessUtilities.Run("/usr/bin/env", $@"sh -c ""{s_CSharpCompilerExecutable} /nologo /t:exe -""", workingDirectory: tempDir);
Assert.True(result.ContainsErrors);
Assert.Contains(((int)ErrorCode.ERR_StdInOptionProvidedButConsoleInputIsNotRedirected).ToString(), result.Output);
}
[Fact]
public void CscCompile_WithMultipleStdInOperators_WarnsCS2002()
{
string tempDir = Temp.CreateDirectory().Path;
ProcessResult result = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
ProcessUtilities.Run("cmd", $@"/C echo ^
class A ^
{{ ^
public static void Main() =^^^> ^
System.Console.WriteLine(""Hello World!""); ^
}} | {s_CSharpCompilerExecutable} /nologo - /t:exe -"
.Replace(Environment.NewLine, string.Empty)) :
ProcessUtilities.Run("/usr/bin/env", $@"sh -c ""echo \
class A \
{{ \
public static void Main\(\) =\> \
System.Console.WriteLine\(\\\""Hello World\!\\\""\)\; \
}} | {s_CSharpCompilerExecutable} /nologo - /t:exe -""", workingDirectory: tempDir,
// we are testing shell's piped/redirected stdin behavior explicitly
// instead of using Process.StandardInput.Write(), so we set
// redirectStandardInput to true, which implies that isatty of child
// process is false and thereby Console.IsInputRedirected will return
// true in csc code.
redirectStandardInput: true);
Assert.Contains(((int)ErrorCode.WRN_FileAlreadyIncluded).ToString(), result.Output);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void CscUtf8Output_WithRedirecting_Off()
{
var srcFile = Temp.CreateFile().WriteAllText("\u265A").Path;
var tempOut = Temp.CreateFile();
var output = ProcessUtilities.RunAndGetOutput("cmd", "/C \"" + s_CSharpCompilerExecutable + "\" /nologo /preferreduilang:en /t:library " + srcFile + " > " + tempOut.Path, expectedRetCode: 1);
Assert.Equal("", output.Trim());
Assert.Equal("SRC.CS(1,1): error CS1056: Unexpected character '?'", tempOut.ReadAllText().Trim().Replace(srcFile, "SRC.CS"));
CleanupAllGeneratedFiles(srcFile);
CleanupAllGeneratedFiles(tempOut.Path);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void CscUtf8Output_WithRedirecting_On()
{
var srcFile = Temp.CreateFile().WriteAllText("\u265A").Path;
var tempOut = Temp.CreateFile();
var output = ProcessUtilities.RunAndGetOutput("cmd", "/C \"" + s_CSharpCompilerExecutable + "\" /utf8output /nologo /preferreduilang:en /t:library " + srcFile + " > " + tempOut.Path, expectedRetCode: 1);
Assert.Equal("", output.Trim());
Assert.Equal("SRC.CS(1,1): error CS1056: Unexpected character '♚'", tempOut.ReadAllText().Trim().Replace(srcFile, "SRC.CS"));
CleanupAllGeneratedFiles(srcFile);
CleanupAllGeneratedFiles(tempOut.Path);
}
[WorkItem(546653, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546653")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void NoSourcesWithModule()
{
var folder = Temp.CreateDirectory();
var aCs = folder.CreateFile("a.cs");
aCs.WriteAllText("public class C {}");
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, $"/nologo /t:module /out:a.netmodule \"{aCs}\"", startFolder: folder.ToString());
Assert.Equal("", output.Trim());
output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, "/nologo /t:library /out:b.dll /addmodule:a.netmodule ", startFolder: folder.ToString());
Assert.Equal("", output.Trim());
output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, "/nologo /preferreduilang:en /t:module /out:b.dll /addmodule:a.netmodule ", startFolder: folder.ToString());
Assert.Equal("warning CS2008: No source files specified.", output.Trim());
CleanupAllGeneratedFiles(aCs.Path);
}
[WorkItem(546653, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546653")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void NoSourcesWithResource()
{
var folder = Temp.CreateDirectory();
var aCs = folder.CreateFile("a.cs");
aCs.WriteAllText("public class C {}");
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, "/nologo /t:library /out:b.dll /resource:a.cs", startFolder: folder.ToString());
Assert.Equal("", output.Trim());
CleanupAllGeneratedFiles(aCs.Path);
}
[WorkItem(546653, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546653")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void NoSourcesWithLinkResource()
{
var folder = Temp.CreateDirectory();
var aCs = folder.CreateFile("a.cs");
aCs.WriteAllText("public class C {}");
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, "/nologo /t:library /out:b.dll /linkresource:a.cs", startFolder: folder.ToString());
Assert.Equal("", output.Trim());
CleanupAllGeneratedFiles(aCs.Path);
}
[Fact]
public void KeyContainerAndKeyFile()
{
// KEYCONTAINER
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/keycontainer:RIPAdamYauch", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("RIPAdamYauch", parsedArgs.CompilationOptions.CryptoKeyContainer);
parsedArgs = DefaultParse(new[] { "/keycontainer", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'keycontainer' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "keycontainer"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyContainer);
parsedArgs = DefaultParse(new[] { "/keycontainer-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/keycontainer-'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/keycontainer-"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyContainer);
parsedArgs = DefaultParse(new[] { "/keycontainer:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for 'keycontainer' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "keycontainer"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyContainer);
parsedArgs = DefaultParse(new[] { "/keycontainer: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "keycontainer"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyContainer);
// KEYFILE
parsedArgs = DefaultParse(new[] { @"/keyfile:\somepath\s""ome Fil""e.goo.bar", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
//EDMAURER let's not set the option in the event that there was an error.
//Assert.Equal(@"\somepath\some File.goo.bar", parsedArgs.CompilationOptions.CryptoKeyFile);
parsedArgs = DefaultParse(new[] { "/keyFile", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2005: Missing file specification for 'keyfile' option
Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("keyfile"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyFile);
parsedArgs = DefaultParse(new[] { "/keyFile: ", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(Diagnostic(ErrorCode.ERR_NoFileSpec).WithArguments("keyfile"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyFile);
parsedArgs = DefaultParse(new[] { "/keyfile-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS2007: Unrecognized option: '/keyfile-'
Diagnostic(ErrorCode.ERR_BadSwitch).WithArguments("/keyfile-"));
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyFile);
// DEFAULTS
parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyFile);
Assert.Null(parsedArgs.CompilationOptions.CryptoKeyContainer);
// KEYFILE | KEYCONTAINER conflicts
parsedArgs = DefaultParse(new[] { "/keyFile:a", "/keyContainer:b", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("a", parsedArgs.CompilationOptions.CryptoKeyFile);
Assert.Equal("b", parsedArgs.CompilationOptions.CryptoKeyContainer);
parsedArgs = DefaultParse(new[] { "/keyContainer:b", "/keyFile:a", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("a", parsedArgs.CompilationOptions.CryptoKeyFile);
Assert.Equal("b", parsedArgs.CompilationOptions.CryptoKeyContainer);
}
[Fact, WorkItem(554551, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/554551")]
public void CS1698WRN_AssumedMatchThis()
{
// compile with: /target:library /keyfile:mykey.snk
var text1 = @"[assembly:System.Reflection.AssemblyVersion(""2"")]
public class CS1698_a {}
";
// compile with: /target:library /reference:CS1698_a.dll /keyfile:mykey.snk
var text2 = @"public class CS1698_b : CS1698_a {}
";
//compile with: /target:library /out:cs1698_a.dll /reference:cs1698_b.dll /keyfile:mykey.snk
var text = @"[assembly:System.Reflection.AssemblyVersion(""3"")]
public class CS1698_c : CS1698_b {}
public class CS1698_a {}
";
var folder = Temp.CreateDirectory();
var cs1698a = folder.CreateFile("CS1698a.cs");
cs1698a.WriteAllText(text1);
var cs1698b = folder.CreateFile("CS1698b.cs");
cs1698b.WriteAllText(text2);
var cs1698 = folder.CreateFile("CS1698.cs");
cs1698.WriteAllText(text);
var snkFile = Temp.CreateFile().WriteAllBytes(TestResources.General.snKey);
var kfile = "/keyfile:" + snkFile.Path;
CSharpCommandLineArguments parsedArgs = DefaultParse(new[] { "/t:library", kfile, "CS1698a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/t:library", kfile, "/r:" + cs1698a.Path, "CS1698b.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
parsedArgs = DefaultParse(new[] { "/t:library", kfile, "/r:" + cs1698b.Path, "/out:" + cs1698a.Path, "CS1698.cs" }, WorkingDirectory);
// Roslyn no longer generates a warning for this...since this was only a warning, we're not really
// saving anyone...does not provide high value to implement...
// warning CS1698: Circular assembly reference 'CS1698a, Version=2.0.0.0, Culture=neutral,PublicKeyToken = 9e9d6755e7bb4c10'
// does not match the output assembly name 'CS1698a, Version = 3.0.0.0, Culture = neutral, PublicKeyToken = 9e9d6755e7bb4c10'.
// Try adding a reference to 'CS1698a, Version = 2.0.0.0, Culture = neutral, PublicKeyToken = 9e9d6755e7bb4c10' or changing the output assembly name to match.
parsedArgs.Errors.Verify();
CleanupAllGeneratedFiles(snkFile.Path);
CleanupAllGeneratedFiles(cs1698a.Path);
CleanupAllGeneratedFiles(cs1698b.Path);
CleanupAllGeneratedFiles(cs1698.Path);
}
[ConditionalFact(typeof(ClrOnly), Reason = "https://github.com/dotnet/roslyn/issues/30926")]
public void BinaryFileErrorTest()
{
var binaryPath = Temp.CreateFile().WriteAllBytes(Net461.Resources.mscorlib).Path;
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", binaryPath });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal(
"error CS2015: '" + binaryPath + "' is a binary file instead of a text file",
outWriter.ToString().Trim());
CleanupAllGeneratedFiles(binaryPath);
}
#if !NETCOREAPP
[WorkItem(530221, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530221")]
[WorkItem(5660, "https://github.com/dotnet/roslyn/issues/5660")]
[ConditionalFact(typeof(WindowsOnly), typeof(IsEnglishLocal))]
public void Bug15538()
{
// Several Jenkins VMs are still running with local systems permissions. This suite won't run properly
// in that environment. Removing this check is being tracked by issue #79.
using (var identity = System.Security.Principal.WindowsIdentity.GetCurrent())
{
if (identity.IsSystem)
{
return;
}
// The icacls command fails on our Helix machines and it appears to be related to the use of the $ in
// the username.
// https://github.com/dotnet/roslyn/issues/28836
if (StringComparer.OrdinalIgnoreCase.Equals(Environment.UserDomainName, "WORKGROUP"))
{
return;
}
}
var folder = Temp.CreateDirectory();
var source = folder.CreateFile("src.vb").WriteAllText("").Path;
var _ref = folder.CreateFile("ref.dll").WriteAllText("").Path;
try
{
var output = ProcessUtilities.RunAndGetOutput("cmd", "/C icacls " + _ref + " /inheritance:r /Q");
Assert.Equal("Successfully processed 1 files; Failed processing 0 files", output.Trim());
output = ProcessUtilities.RunAndGetOutput("cmd", "/C icacls " + _ref + @" /deny %USERDOMAIN%\%USERNAME%:(r,WDAC) /Q");
Assert.Equal("Successfully processed 1 files; Failed processing 0 files", output.Trim());
output = ProcessUtilities.RunAndGetOutput("cmd", "/C \"" + s_CSharpCompilerExecutable + "\" /nologo /preferreduilang:en /r:" + _ref + " /t:library " + source, expectedRetCode: 1);
Assert.Equal("error CS0009: Metadata file '" + _ref + "' could not be opened -- Access to the path '" + _ref + "' is denied.", output.Trim());
}
finally
{
var output = ProcessUtilities.RunAndGetOutput("cmd", "/C icacls " + _ref + " /reset /Q");
Assert.Equal("Successfully processed 1 files; Failed processing 0 files", output.Trim());
File.Delete(_ref);
}
CleanupAllGeneratedFiles(source);
}
#endif
[WorkItem(545832, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545832")]
[Fact]
public void ResponseFilesWithEmptyAliasReference()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
// <Area> ExternAlias - command line alias</Area>
// <Title>
// negative test cases: empty file name ("""")
// </Title>
// <Description>
// </Description>
// <RelatedBugs></RelatedBugs>
//<Expects Status=error>CS1680:.*myAlias=</Expects>
// <Code>
class myClass
{
static int Main()
{
return 1;
}
}
// </Code>
").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/nologo
/r:myAlias=""""
").Path;
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// csc errors_whitespace_008.cs @errors_whitespace_008.cs.rsp
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS1680: Invalid reference alias option: 'myAlias=' -- missing filename", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[Fact]
public void ResponseFileOrdering()
{
var rspFilePath1 = Temp.CreateFile().WriteAllText(@"
/b
/c
").Path;
assertOrder(
new[] { "/a", "/b", "/c", "/d" },
new[] { "/a", @$"@""{rspFilePath1}""", "/d" });
var rspFilePath2 = Temp.CreateFile().WriteAllText(@"
/c
/d
").Path;
rspFilePath1 = Temp.CreateFile().WriteAllText(@$"
/b
@""{rspFilePath2}""
").Path;
assertOrder(
new[] { "/a", "/b", "/c", "/d", "/e" },
new[] { "/a", @$"@""{rspFilePath1}""", "/e" });
rspFilePath1 = Temp.CreateFile().WriteAllText(@$"
/b
").Path;
rspFilePath2 = Temp.CreateFile().WriteAllText(@"
# this will be ignored
/c
/d
").Path;
assertOrder(
new[] { "/a", "/b", "/c", "/d", "/e" },
new[] { "/a", @$"@""{rspFilePath1}""", $@"@""{rspFilePath2}""", "/e" });
void assertOrder(string[] expected, string[] args)
{
var flattenedArgs = ArrayBuilder<string>.GetInstance();
var diagnostics = new List<Diagnostic>();
CSharpCommandLineParser.Default.FlattenArgs(
args,
diagnostics,
flattenedArgs,
scriptArgsOpt: null,
baseDirectory: Path.DirectorySeparatorChar == '\\' ? @"c:\" : "/");
Assert.Empty(diagnostics);
Assert.Equal(expected, flattenedArgs);
flattenedArgs.Free();
}
}
[WorkItem(545832, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545832")]
[Fact]
public void ResponseFilesWithEmptyAliasReference2()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
// <Area> ExternAlias - command line alias</Area>
// <Title>
// negative test cases: empty file name ("""")
// </Title>
// <Description>
// </Description>
// <RelatedBugs></RelatedBugs>
//<Expects Status=error>CS1680:.*myAlias=</Expects>
// <Code>
class myClass
{
static int Main()
{
return 1;
}
}
// </Code>
").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/nologo
/r:myAlias="" ""
").Path;
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// csc errors_whitespace_008.cs @errors_whitespace_008.cs.rsp
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS1680: Invalid reference alias option: 'myAlias=' -- missing filename", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[WorkItem(1784, "https://github.com/dotnet/roslyn/issues/1784")]
[Fact]
public void QuotedDefineInRespFile()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
#if NN
class myClass
{
#endif
static int Main()
#if DD
{
return 1;
#endif
#if AA
}
#endif
#if BB
}
#endif
").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/d:""DD""
/d:""AA;BB""
/d:""N""N
").Path;
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// csc errors_whitespace_008.cs @errors_whitespace_008.cs.rsp
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[WorkItem(1784, "https://github.com/dotnet/roslyn/issues/1784")]
[Fact]
public void QuotedDefineInRespFileErr()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
#if NN
class myClass
{
#endif
static int Main()
#if DD
{
return 1;
#endif
#if AA
}
#endif
#if BB
}
#endif
").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/d:""DD""""
/d:""AA;BB""
/d:""N"" ""N
").Path;
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// csc errors_whitespace_008.cs @errors_whitespace_008.cs.rsp
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[Fact]
public void ResponseFileSplitting()
{
string[] responseFile;
responseFile = new string[] {
@"a.cs b.cs ""c.cs e.cs""",
@"hello world # this is a comment"
};
IEnumerable<string> args = CSharpCommandLineParser.ParseResponseLines(responseFile);
AssertEx.Equal(new[] { "a.cs", "b.cs", @"c.cs e.cs", "hello", "world" }, args);
// Check comment handling; comment character only counts at beginning of argument
responseFile = new string[] {
@" # ignore this",
@" # ignore that ""hello""",
@" a.cs #3.cs",
@" b#.cs c#d.cs #e.cs",
@" ""#f.cs""",
@" ""#g.cs #h.cs"""
};
args = CSharpCommandLineParser.ParseResponseLines(responseFile);
AssertEx.Equal(new[] { "a.cs", "b#.cs", "c#d.cs", "#f.cs", "#g.cs #h.cs" }, args);
// Check backslash escaping
responseFile = new string[] {
@"a\b\c d\\e\\f\\ \\\g\\\h\\\i \\\\ \\\\\k\\\\\",
};
args = CSharpCommandLineParser.ParseResponseLines(responseFile);
AssertEx.Equal(new[] { @"a\b\c", @"d\\e\\f\\", @"\\\g\\\h\\\i", @"\\\\", @"\\\\\k\\\\\" }, args);
// More backslash escaping and quoting
responseFile = new string[] {
@"a\""a b\\""b c\\\""c d\\\\""d e\\\\\""e f"" g""",
};
args = CSharpCommandLineParser.ParseResponseLines(responseFile);
AssertEx.Equal(new[] { @"a\""a", @"b\\""b c\\\""c d\\\\""d", @"e\\\\\""e", @"f"" g""" }, args);
// Quoting inside argument is valid.
responseFile = new string[] {
@" /o:""goo.cs"" /o:""abc def""\baz ""/o:baz bar""bing",
};
args = CSharpCommandLineParser.ParseResponseLines(responseFile);
AssertEx.Equal(new[] { @"/o:""goo.cs""", @"/o:""abc def""\baz", @"""/o:baz bar""bing" }, args);
}
[ConditionalFact(typeof(WindowsOnly))]
private void SourceFileQuoting()
{
string[] responseFile = new string[] {
@"d:\\""abc def""\baz.cs ab""c d""e.cs",
};
CSharpCommandLineArguments args = DefaultParse(CSharpCommandLineParser.ParseResponseLines(responseFile), @"c:\");
AssertEx.Equal(new[] { @"d:\abc def\baz.cs", @"c:\abc de.cs" }, args.SourceFiles.Select(file => file.Path));
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName1()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from first input (file, not class) name, since DLL.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:library" },
expectedOutputName: "p.dll");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName2()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from command-line option.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:library", "/out:r.dll" },
expectedOutputName: "r.dll");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName3()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from name of file containing entrypoint, since EXE.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe" },
expectedOutputName: "q.exe");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName4()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from command-line option.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe", "/out:r.exe" },
expectedOutputName: "r.exe");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName5()
{
string source1 = @"
class A
{
static void Main() { }
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from name of file containing entrypoint - affected by /main, since EXE.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe", "/main:A" },
expectedOutputName: "p.exe");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName6()
{
string source1 = @"
class A
{
static void Main() { }
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from name of file containing entrypoint - affected by /main, since EXE.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe", "/main:B" },
expectedOutputName: "q.exe");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName7()
{
string source1 = @"
partial class A
{
static partial void Main() { }
}
";
string source2 = @"
partial class A
{
static partial void Main();
}
";
// Name comes from name of file containing entrypoint, since EXE.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe" },
expectedOutputName: "p.exe");
}
[WorkItem(544441, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544441")]
[Fact]
public void OutputFileName8()
{
string source1 = @"
partial class A
{
static partial void Main();
}
";
string source2 = @"
partial class A
{
static partial void Main() { }
}
";
// Name comes from name of file containing entrypoint, since EXE.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe" },
expectedOutputName: "q.exe");
}
[Fact]
public void OutputFileName9()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from first input (file, not class) name, since winmdobj.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:winmdobj" },
expectedOutputName: "p.winmdobj");
}
[Fact]
public void OutputFileName10()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from name of file containing entrypoint, since appcontainerexe.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:appcontainerexe" },
expectedOutputName: "q.exe");
}
[Fact]
public void OutputFileName_Switch()
{
string source1 = @"
class A
{
}
";
string source2 = @"
class B
{
static void Main() { }
}
";
// Name comes from name of file containing entrypoint, since EXE.
CheckOutputFileName(
source1, source2,
inputName1: "p.cs", inputName2: "q.cs",
commandLineArguments: new[] { "/target:exe", "/out:r.exe" },
expectedOutputName: "r.exe");
}
[Fact]
public void OutputFileName_NoEntryPoint()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/target:exe", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.NotEqual(0, exitCode);
Assert.Equal("error CS5001: Program does not contain a static 'Main' method suitable for an entry point", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(file.Path);
}
[Fact, WorkItem(1093063, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1093063")]
public void VerifyDiagnosticSeverityNotLocalized()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/target:exe", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.NotEqual(0, exitCode);
// If "error" was localized, below assert will fail on PLOC builds. The output would be something like: "!pTCvB!vbc : !FLxft!error 表! CS5001:"
Assert.Contains("error CS5001:", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
public void NoLogo_1()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/target:library", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal(@"",
outWriter.ToString().Trim());
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
public void NoLogo_2()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/target:library", "/preferreduilang:en", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var patched = Regex.Replace(outWriter.ToString().Trim(), "version \\d+\\.\\d+\\.\\d+(-[\\w\\d]+)*", "version A.B.C-d");
patched = ReplaceCommitHash(patched);
Assert.Equal(@"
Microsoft (R) Visual C# Compiler version A.B.C-d (HASH)
Copyright (C) Microsoft Corporation. All rights reserved.".Trim(),
patched);
CleanupAllGeneratedFiles(file.Path);
}
[Theory,
InlineData("Microsoft (R) Visual C# Compiler version A.B.C-d (<developer build>)",
"Microsoft (R) Visual C# Compiler version A.B.C-d (HASH)"),
InlineData("Microsoft (R) Visual C# Compiler version A.B.C-d (ABCDEF01)",
"Microsoft (R) Visual C# Compiler version A.B.C-d (HASH)"),
InlineData("Microsoft (R) Visual C# Compiler version A.B.C-d (abcdef90)",
"Microsoft (R) Visual C# Compiler version A.B.C-d (HASH)"),
InlineData("Microsoft (R) Visual C# Compiler version A.B.C-d (12345678)",
"Microsoft (R) Visual C# Compiler version A.B.C-d (HASH)")]
public void TestReplaceCommitHash(string orig, string expected)
{
Assert.Equal(expected, ReplaceCommitHash(orig));
}
private static string ReplaceCommitHash(string s)
{
// open paren, followed by either <developer build> or 8 hex, followed by close paren
return Regex.Replace(s, "(\\((<developer build>|[a-fA-F0-9]{8})\\))", "(HASH)");
}
[Fact]
public void ExtractShortCommitHash()
{
Assert.Null(CommonCompiler.ExtractShortCommitHash(null));
Assert.Equal("", CommonCompiler.ExtractShortCommitHash(""));
Assert.Equal("<", CommonCompiler.ExtractShortCommitHash("<"));
Assert.Equal("<developer build>", CommonCompiler.ExtractShortCommitHash("<developer build>"));
Assert.Equal("1", CommonCompiler.ExtractShortCommitHash("1"));
Assert.Equal("1234567", CommonCompiler.ExtractShortCommitHash("1234567"));
Assert.Equal("12345678", CommonCompiler.ExtractShortCommitHash("12345678"));
Assert.Equal("12345678", CommonCompiler.ExtractShortCommitHash("123456789"));
}
private void CheckOutputFileName(string source1, string source2, string inputName1, string inputName2, string[] commandLineArguments, string expectedOutputName)
{
var dir = Temp.CreateDirectory();
var file1 = dir.CreateFile(inputName1);
file1.WriteAllText(source1);
var file2 = dir.CreateFile(inputName2);
file2.WriteAllText(source2);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, commandLineArguments.Concat(new[] { inputName1, inputName2 }).ToArray());
int exitCode = csc.Run(outWriter);
if (exitCode != 0)
{
Console.WriteLine(outWriter.ToString());
Assert.Equal(0, exitCode);
}
Assert.Equal(1, Directory.EnumerateFiles(dir.Path, "*" + PathUtilities.GetExtension(expectedOutputName)).Count());
Assert.Equal(1, Directory.EnumerateFiles(dir.Path, expectedOutputName).Count());
using (var metadata = ModuleMetadata.CreateFromImage(File.ReadAllBytes(Path.Combine(dir.Path, expectedOutputName))))
{
var peReader = metadata.Module.GetMetadataReader();
Assert.True(peReader.IsAssembly);
Assert.Equal(PathUtilities.RemoveExtension(expectedOutputName), peReader.GetString(peReader.GetAssemblyDefinition().Name));
Assert.Equal(expectedOutputName, peReader.GetString(peReader.GetModuleDefinition().Name));
}
if (System.IO.File.Exists(expectedOutputName))
{
System.IO.File.Delete(expectedOutputName);
}
CleanupAllGeneratedFiles(file1.Path);
CleanupAllGeneratedFiles(file2.Path);
}
[Fact]
public void MissingReference()
{
string source = @"
class C
{
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "/preferreduilang:en", "/r:missing.dll", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS0006: Metadata file 'missing.dll' could not be found", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(545025, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545025")]
[ConditionalFact(typeof(WindowsOnly))]
public void CompilationWithWarnAsError_01()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
// Baseline without warning options (expect success)
int exitCode = GetExitCode(source, "a.cs", new String[] { });
Assert.Equal(0, exitCode);
// The case with /warnaserror (expect to be success, since there will be no warning)
exitCode = GetExitCode(source, "b.cs", new[] { "/warnaserror" });
Assert.Equal(0, exitCode);
// The case with /warnaserror and /nowarn:1 (expect success)
// Note that even though the command line option has a warning, it is not going to become an error
// in order to avoid the halt of compilation.
exitCode = GetExitCode(source, "c.cs", new[] { "/warnaserror", "/nowarn:1" });
Assert.Equal(0, exitCode);
}
[WorkItem(545025, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545025")]
[ConditionalFact(typeof(WindowsOnly))]
public void CompilationWithWarnAsError_02()
{
string source = @"
public class C
{
public static void Main()
{
int x; // CS0168
}
}";
// Baseline without warning options (expect success)
int exitCode = GetExitCode(source, "a.cs", new String[] { });
Assert.Equal(0, exitCode);
// The case with /warnaserror (expect failure)
exitCode = GetExitCode(source, "b.cs", new[] { "/warnaserror" });
Assert.NotEqual(0, exitCode);
// The case with /warnaserror:168 (expect failure)
exitCode = GetExitCode(source, "c.cs", new[] { "/warnaserror:168" });
Assert.NotEqual(0, exitCode);
// The case with /warnaserror:219 (expect success)
exitCode = GetExitCode(source, "c.cs", new[] { "/warnaserror:219" });
Assert.Equal(0, exitCode);
// The case with /warnaserror and /nowarn:168 (expect success)
exitCode = GetExitCode(source, "d.cs", new[] { "/warnaserror", "/nowarn:168" });
Assert.Equal(0, exitCode);
}
private int GetExitCode(string source, string fileName, string[] commandLineArguments)
{
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, commandLineArguments.Concat(new[] { fileName }).ToArray());
int exitCode = csc.Run(outWriter);
return exitCode;
}
[WorkItem(545247, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545247")]
[ConditionalFact(typeof(WindowsOnly))]
public void CompilationWithNonExistingOutPath()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { fileName, "/preferreduilang:en", "/target:exe", "/out:sub\\a.exe" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS2012: Cannot open '" + dir.Path + "\\sub\\a.exe' for writing", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(545247, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545247")]
[Fact]
public void CompilationWithWrongOutPath_01()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { fileName, "/preferreduilang:en", "/target:exe", "/out:sub\\" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
var message = outWriter.ToString();
Assert.Contains("error CS2021: File name", message, StringComparison.Ordinal);
Assert.Contains("sub", message, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(545247, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545247")]
[Fact]
public void CompilationWithWrongOutPath_02()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { fileName, "/preferreduilang:en", "/target:exe", "/out:sub\\ " });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
var message = outWriter.ToString();
Assert.Contains("error CS2021: File name", message, StringComparison.Ordinal);
Assert.Contains("sub", message, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(545247, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545247")]
[ConditionalFact(typeof(WindowsDesktopOnly))]
public void CompilationWithWrongOutPath_03()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { fileName, "/preferreduilang:en", "/target:exe", "/out:aaa:\\a.exe" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains(@"error CS2021: File name 'aaa:\a.exe' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(545247, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545247")]
[Fact]
public void CompilationWithWrongOutPath_04()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, new[] { fileName, "/preferreduilang:en", "/target:exe", "/out: " });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS2005: Missing file specification for '/out:' option", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
public void EmittedSubsystemVersion()
{
var compilation = CSharpCompilation.Create("a.dll", references: new[] { MscorlibRef }, options: TestOptions.ReleaseDll);
var peHeaders = new PEHeaders(compilation.EmitToStream(options: new EmitOptions(subsystemVersion: SubsystemVersion.Create(5, 1))));
Assert.Equal(5, peHeaders.PEHeader.MajorSubsystemVersion);
Assert.Equal(1, peHeaders.PEHeader.MinorSubsystemVersion);
}
[Fact]
public void CreateCompilationWithKeyFile()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "a.cs", "/keyfile:key.snk", });
var comp = cmd.CreateCompilation(TextWriter.Null, new TouchedFileLogger(), NullErrorLogger.Instance);
Assert.IsType<DesktopStrongNameProvider>(comp.Options.StrongNameProvider);
}
[Fact]
public void CreateCompilationWithKeyContainer()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "a.cs", "/keycontainer:bbb", });
var comp = cmd.CreateCompilation(TextWriter.Null, new TouchedFileLogger(), NullErrorLogger.Instance);
Assert.Equal(typeof(DesktopStrongNameProvider), comp.Options.StrongNameProvider.GetType());
}
[Fact]
public void CreateCompilationFallbackCommand()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "/nologo", "a.cs", "/keyFile:key.snk", "/features:UseLegacyStrongNameProvider" });
var comp = cmd.CreateCompilation(TextWriter.Null, new TouchedFileLogger(), NullErrorLogger.Instance);
Assert.Equal(typeof(DesktopStrongNameProvider), comp.Options.StrongNameProvider.GetType());
}
[Fact]
public void CreateCompilationWithDisableLengthBasedSwitch()
{
string source = """
public class C
{
}
""";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] { "a.cs", "/features:disable-length-based-switch" });
var comp = cmd.CreateCompilation(TextWriter.Null, new TouchedFileLogger(), NullErrorLogger.Instance);
Assert.True(((CSharpCompilation)comp).FeatureDisableLengthBasedSwitch);
cmd = CreateCSharpCompiler(null, dir.Path, new[] { "a.cs" });
comp = cmd.CreateCompilation(TextWriter.Null, new TouchedFileLogger(), NullErrorLogger.Instance);
Assert.False(((CSharpCompilation)comp).FeatureDisableLengthBasedSwitch);
}
[Fact]
public void CreateCompilation_MainAndTargetIncompatibilities()
{
string source = @"
public class C
{
public static void Main()
{
}
}";
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllText(source);
var compilation = CSharpCompilation.Create("a.dll", options: TestOptions.ReleaseDll);
var options = compilation.Options;
Assert.Equal(0, options.Errors.Length);
options = options.WithMainTypeName("a");
options.Errors.Verify(
// error CS2017: Cannot specify /main if building a module or library
Diagnostic(ErrorCode.ERR_NoMainOnDLL)
);
var comp = CSharpCompilation.Create("a.dll", options: options);
comp.GetDiagnostics().Verify(
// error CS2017: Cannot specify /main if building a module or library
Diagnostic(ErrorCode.ERR_NoMainOnDLL)
);
options = options.WithOutputKind(OutputKind.WindowsApplication);
options.Errors.Verify();
comp = CSharpCompilation.Create("a.dll", options: options);
comp.GetDiagnostics().Verify(
// error CS1555: Could not find 'a' specified for Main method
Diagnostic(ErrorCode.ERR_MainClassNotFound).WithArguments("a")
);
options = options.WithOutputKind(OutputKind.NetModule);
options.Errors.Verify(
// error CS2017: Cannot specify /main if building a module or library
Diagnostic(ErrorCode.ERR_NoMainOnDLL)
);
comp = CSharpCompilation.Create("a.dll", options: options);
comp.GetDiagnostics().Verify(
// error CS2017: Cannot specify /main if building a module or library
Diagnostic(ErrorCode.ERR_NoMainOnDLL)
);
options = options.WithMainTypeName(null);
options.Errors.Verify();
comp = CSharpCompilation.Create("a.dll", options: options);
comp.GetDiagnostics().Verify();
CleanupAllGeneratedFiles(file.Path);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30328")]
public void SpecifyProperCodePage()
{
byte[] source = {
0x63, // c
0x6c, // l
0x61, // a
0x73, // s
0x73, // s
0x20, //
0xd0, 0x96, // Utf-8 Cyrillic character
0x7b, // {
0x7d, // }
};
var fileName = "a.cs";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(fileName);
file.WriteAllBytes(source);
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, $"/nologo /t:library \"{file}\"", startFolder: dir.Path);
Assert.Equal("", output); // Autodetected UTF-8, NO ERROR
output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, $"/nologo /preferreduilang:en /t:library /codepage:20127 \"{file}\"", expectedRetCode: 1, startFolder: dir.Path); // 20127: US-ASCII
// 0xd0, 0x96 ==> ERROR
Assert.Equal(@"
a.cs(1,7): error CS1001: Identifier expected
a.cs(1,7): error CS1514: { expected
a.cs(1,7): error CS1513: } expected
a.cs(1,7): error CS8803: Top-level statements must precede namespace and type declarations.
a.cs(1,7): error CS1525: Invalid expression term '??'
a.cs(1,9): error CS1525: Invalid expression term '{'
a.cs(1,9): error CS1002: ; expected
".Trim(),
Regex.Replace(output, "^.*a.cs", "a.cs", RegexOptions.Multiline).Trim());
CleanupAllGeneratedFiles(file.Path);
}
[ConditionalFact(typeof(WindowsOnly))]
public void DefaultWin32ResForExe()
{
var source = @"
class C
{
static void Main() { }
}
";
CheckManifestString(source, OutputKind.ConsoleApplication, explicitManifest: null, expectedManifest:
@"<?xml version=""1.0"" encoding=""utf-16""?>
<ManifestResource Size=""490"">
<Contents><![CDATA[<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">
<assemblyIdentity version=""1.0.0.0"" name=""MyApplication.app""/>
<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v2"">
<security>
<requestedPrivileges xmlns=""urn:schemas-microsoft-com:asm.v3"">
<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>]]></Contents>
</ManifestResource>");
}
[ConditionalFact(typeof(WindowsOnly))]
public void DefaultManifestForDll()
{
var source = @"
class C
{
}
";
CheckManifestString(source, OutputKind.DynamicallyLinkedLibrary, explicitManifest: null, expectedManifest: null);
}
[ConditionalFact(typeof(WindowsOnly))]
public void DefaultManifestForWinExe()
{
var source = @"
class C
{
static void Main() { }
}
";
CheckManifestString(source, OutputKind.WindowsApplication, explicitManifest: null, expectedManifest:
@"<?xml version=""1.0"" encoding=""utf-16""?>
<ManifestResource Size=""490"">
<Contents><![CDATA[<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">
<assemblyIdentity version=""1.0.0.0"" name=""MyApplication.app""/>
<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v2"">
<security>
<requestedPrivileges xmlns=""urn:schemas-microsoft-com:asm.v3"">
<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>]]></Contents>
</ManifestResource>");
}
[ConditionalFact(typeof(WindowsOnly))]
public void DefaultManifestForAppContainerExe()
{
var source = @"
class C
{
static void Main() { }
}
";
CheckManifestString(source, OutputKind.WindowsRuntimeApplication, explicitManifest: null, expectedManifest:
@"<?xml version=""1.0"" encoding=""utf-16""?>
<ManifestResource Size=""490"">
<Contents><![CDATA[<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">
<assemblyIdentity version=""1.0.0.0"" name=""MyApplication.app""/>
<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v2"">
<security>
<requestedPrivileges xmlns=""urn:schemas-microsoft-com:asm.v3"">
<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>]]></Contents>
</ManifestResource>");
}
[ConditionalFact(typeof(WindowsOnly))]
public void DefaultManifestForWinMD()
{
var source = @"
class C
{
}
";
CheckManifestString(source, OutputKind.WindowsRuntimeMetadata, explicitManifest: null, expectedManifest: null);
}
[ConditionalFact(typeof(WindowsOnly))]
public void DefaultWin32ResForModule()
{
var source = @"
class C
{
}
";
CheckManifestString(source, OutputKind.NetModule, explicitManifest: null, expectedManifest: null);
}
[ConditionalFact(typeof(WindowsOnly))]
public void ExplicitWin32ResForExe()
{
var source = @"
class C
{
static void Main() { }
}
";
var explicitManifest =
@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">
<assemblyIdentity version=""1.0.0.0"" name=""Test.app""/>
<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v2"">
<security>
<requestedPrivileges xmlns=""urn:schemas-microsoft-com:asm.v3"">
<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>";
var explicitManifestStream = new MemoryStream(Encoding.UTF8.GetBytes(explicitManifest));
var expectedManifest =
@"<?xml version=""1.0"" encoding=""utf-16""?>
<ManifestResource Size=""476"">
<Contents><![CDATA[" +
explicitManifest +
@"]]></Contents>
</ManifestResource>";
CheckManifestString(source, OutputKind.ConsoleApplication, explicitManifest, expectedManifest);
}
// DLLs don't get the default manifest, but they do respect explicitly set manifests.
[ConditionalFact(typeof(WindowsOnly))]
public void ExplicitWin32ResForDll()
{
var source = @"
class C
{
static void Main() { }
}
";
var explicitManifest =
@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">
<assemblyIdentity version=""1.0.0.0"" name=""Test.app""/>
<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v2"">
<security>
<requestedPrivileges xmlns=""urn:schemas-microsoft-com:asm.v3"">
<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>";
var expectedManifest =
@"<?xml version=""1.0"" encoding=""utf-16""?>
<ManifestResource Size=""476"">
<Contents><![CDATA[" +
explicitManifest +
@"]]></Contents>
</ManifestResource>";
CheckManifestString(source, OutputKind.DynamicallyLinkedLibrary, explicitManifest, expectedManifest);
}
// Modules don't have manifests, even if one is explicitly specified.
[ConditionalFact(typeof(WindowsOnly))]
public void ExplicitWin32ResForModule()
{
var source = @"
class C
{
}
";
var explicitManifest =
@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">
<assemblyIdentity version=""1.0.0.0"" name=""Test.app""/>
<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v2"">
<security>
<requestedPrivileges xmlns=""urn:schemas-microsoft-com:asm.v3"">
<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>";
CheckManifestString(source, OutputKind.NetModule, explicitManifest, expectedManifest: null);
}
[DllImport("kernel32.dll", SetLastError = true)]
private static extern IntPtr LoadLibraryEx(string lpFileName, IntPtr hFile, uint dwFlags);
[DllImport("kernel32.dll", SetLastError = true)]
private static extern bool FreeLibrary([In] IntPtr hFile);
private void CheckManifestString(string source, OutputKind outputKind, string explicitManifest, string expectedManifest)
{
var dir = Temp.CreateDirectory();
var sourceFile = dir.CreateFile("Test.cs").WriteAllText(source);
string outputFileName;
string target;
switch (outputKind)
{
case OutputKind.ConsoleApplication:
outputFileName = "Test.exe";
target = "exe";
break;
case OutputKind.WindowsApplication:
outputFileName = "Test.exe";
target = "winexe";
break;
case OutputKind.DynamicallyLinkedLibrary:
outputFileName = "Test.dll";
target = "library";
break;
case OutputKind.NetModule:
outputFileName = "Test.netmodule";
target = "module";
break;
case OutputKind.WindowsRuntimeMetadata:
outputFileName = "Test.winmdobj";
target = "winmdobj";
break;
case OutputKind.WindowsRuntimeApplication:
outputFileName = "Test.exe";
target = "appcontainerexe";
break;
default:
throw TestExceptionUtilities.UnexpectedValue(outputKind);
}
MockCSharpCompiler csc;
if (explicitManifest == null)
{
csc = CreateCSharpCompiler(null, dir.Path, new[]
{
string.Format("/target:{0}", target),
string.Format("/out:{0}", outputFileName),
Path.GetFileName(sourceFile.Path),
});
}
else
{
var manifestFile = dir.CreateFile("Test.config").WriteAllText(explicitManifest);
csc = CreateCSharpCompiler(null, dir.Path, new[]
{
string.Format("/target:{0}", target),
string.Format("/out:{0}", outputFileName),
string.Format("/win32manifest:{0}", Path.GetFileName(manifestFile.Path)),
Path.GetFileName(sourceFile.Path),
});
}
int actualExitCode = csc.Run(new StringWriter(CultureInfo.InvariantCulture));
Assert.Equal(0, actualExitCode);
//Open as data
IntPtr lib = LoadLibraryEx(Path.Combine(dir.Path, outputFileName), IntPtr.Zero, 0x00000002);
if (lib == IntPtr.Zero)
throw new Win32Exception(Marshal.GetLastWin32Error());
const string resourceType = "#24";
var resourceId = outputKind == OutputKind.DynamicallyLinkedLibrary ? "#2" : "#1";
uint manifestSize;
if (expectedManifest == null)
{
Assert.Throws<Win32Exception>(() => Win32Res.GetResource(lib, resourceId, resourceType, out manifestSize));
}
else
{
IntPtr manifestResourcePointer = Win32Res.GetResource(lib, resourceId, resourceType, out manifestSize);
string actualManifest = Win32Res.ManifestResourceToXml(manifestResourcePointer, manifestSize);
Assert.Equal(expectedManifest, actualManifest);
}
FreeLibrary(lib);
}
[WorkItem(544926, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544926")]
[ConditionalFact(typeof(WindowsOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ResponseFilesWithNoconfig_01()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
public class C
{
public static void Main()
{
int x; // CS0168
}
}").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/warnaserror
").Path;
// Checks the base case without /noconfig (expect to see error)
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS0168: The variable 'x' is declared but never used\r\n", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with /noconfig (expect to see warning, instead of error)
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/noconfig", "/preferreduilang:en" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS0168: The variable 'x' is declared but never used\r\n", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with /NOCONFIG (expect to see warning, instead of error)
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/NOCONFIG", "/preferreduilang:en" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS0168: The variable 'x' is declared but never used\r\n", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with -noconfig (expect to see warning, instead of error)
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "-noconfig", "/preferreduilang:en" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS0168: The variable 'x' is declared but never used\r\n", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[WorkItem(544926, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544926")]
[ConditionalFact(typeof(WindowsOnly))]
public void ResponseFilesWithNoconfig_02()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
public class C
{
public static void Main()
{
}
}").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/noconfig
").Path;
// Checks the case with /noconfig inside the response file (expect to see warning)
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS2023: Ignoring /noconfig option because it was specified in a response file\r\n", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with /noconfig inside the response file as along with /nowarn (expect to see warning)
// to verify that this warning is not suppressed by the /nowarn option (See MSDN).
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en", "/nowarn:2023" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS2023: Ignoring /noconfig option because it was specified in a response file\r\n", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[WorkItem(544926, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544926")]
[ConditionalFact(typeof(WindowsOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ResponseFilesWithNoconfig_03()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
public class C
{
public static void Main()
{
}
}").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
/NOCONFIG
").Path;
// Checks the case with /noconfig inside the response file (expect to see warning)
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS2023: Ignoring /noconfig option because it was specified in a response file\r\n", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with /NOCONFIG inside the response file as along with /nowarn (expect to see warning)
// to verify that this warning is not suppressed by the /nowarn option (See MSDN).
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en", "/nowarn:2023" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS2023: Ignoring /noconfig option because it was specified in a response file\r\n", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[WorkItem(544926, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544926")]
[ConditionalFact(typeof(WindowsOnly))]
public void ResponseFilesWithNoconfig_04()
{
string source = Temp.CreateFile("a.cs").WriteAllText(@"
public class C
{
public static void Main()
{
}
}").Path;
string rsp = Temp.CreateFile().WriteAllText(@"
-noconfig
").Path;
// Checks the case with /noconfig inside the response file (expect to see warning)
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS2023: Ignoring /noconfig option because it was specified in a response file\r\n", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with -noconfig inside the response file as along with /nowarn (expect to see warning)
// to verify that this warning is not suppressed by the /nowarn option (See MSDN).
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(rsp, WorkingDirectory, new[] { source, "/preferreduilang:en", "/nowarn:2023" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains("warning CS2023: Ignoring /noconfig option because it was specified in a response file\r\n", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(rsp);
}
[Fact, WorkItem(530024, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530024")]
public void NoStdLib()
{
var src = Temp.CreateFile("a.cs");
src.WriteAllText("public class C{}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/t:library", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/nostdlib", "/t:library", src.ToString() }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("{FILE}(1,14): error CS0518: Predefined type 'System.Object' is not defined or imported",
outWriter.ToString().Replace(Path.GetFileName(src.Path), "{FILE}").Trim());
// Bug#15021: breaking change - empty source no error with /nostdlib
src.WriteAllText("namespace System { }");
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/nostdlib", "/t:library", "/runtimemetadataversion:v4.0.30319", "/langversion:8", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(src.Path);
}
private string GetDefaultResponseFilePath()
{
var cscRsp = global::TestResources.ResourceLoader.GetResourceBlob("csc.rsp");
return Temp.CreateFile().WriteAllBytes(cscRsp).Path;
}
[Fact, WorkItem(530359, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530359")]
public void NoStdLib02()
{
#region "source"
var source = @"
// <Title>A collection initializer can be declared with a user-defined IEnumerable that is declared in a user-defined System.Collections</Title>
using System.Collections;
class O<T> where T : new()
{
public T list = new T();
}
class C
{
static StructCollection sc = new StructCollection { 1 };
public static int Main()
{
ClassCollection cc = new ClassCollection { 2 };
var o1 = new O<ClassCollection> { list = { 5 } };
var o2 = new O<StructCollection> { list = sc };
return 0;
}
}
struct StructCollection : IEnumerable
{
public int added;
#region IEnumerable Members
public void Add(int t)
{
added = t;
}
#endregion
}
class ClassCollection : IEnumerable
{
public int added;
#region IEnumerable Members
public void Add(int t)
{
added = t;
}
#endregion
}
namespace System.Collections
{
public interface IEnumerable
{
void Add(int t);
}
}
";
#endregion
#region "mslib"
var mslib = @"
namespace System
{
public class Object {}
public struct Byte { }
public struct Int16 { }
public struct Int32 { }
public struct Int64 { }
public struct Single { }
public struct Double { }
public struct SByte { }
public struct UInt32 { }
public struct UInt64 { }
public struct Char { }
public struct Boolean { }
public struct UInt16 { }
public struct UIntPtr { }
public struct IntPtr { }
public class Delegate { }
public class String {
public int Length { get { return 10; } }
}
public class MulticastDelegate { }
public class Array { }
public class Exception { public Exception(string s){} }
public class Type { }
public class ValueType { }
public class Enum { }
public interface IEnumerable { }
public interface IDisposable { }
public class Attribute { }
public class ParamArrayAttribute { }
public struct Void { }
public struct RuntimeFieldHandle { }
public struct RuntimeTypeHandle { }
public class Activator
{
public static T CreateInstance<T>(){return default(T);}
}
namespace Collections
{
public interface IEnumerator { }
}
namespace Runtime
{
namespace InteropServices
{
public class OutAttribute { }
}
namespace CompilerServices
{
public class RuntimeHelpers { }
}
}
namespace Reflection
{
public class DefaultMemberAttribute { }
}
}
";
#endregion
var src = Temp.CreateFile("NoStdLib02.cs");
src.WriteAllText(source + mslib);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/noconfig", "/nostdlib", "/runtimemetadataversion:v4.0.30319", "/nowarn:8625", "/features:noRefSafetyRulesAttribute", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/nostdlib", "/runtimemetadataversion:v4.0.30319", "/nowarn:8625", "/features:noRefSafetyRulesAttribute", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
string OriginalSource = src.Path;
src = Temp.CreateFile("NoStdLib02b.cs");
src.WriteAllText(mslib);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(GetDefaultResponseFilePath(), WorkingDirectory, new[] { "/nologo", "/noconfig", "/nostdlib", "/t:library", "/runtimemetadataversion:v4.0.30319", "/nowarn:8625", "/features:noRefSafetyRulesAttribute", src.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(OriginalSource);
CleanupAllGeneratedFiles(src.Path);
}
[Fact, WorkItem(546018, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546018"), WorkItem(546020, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546020"), WorkItem(546024, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546024"), WorkItem(546049, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546049")]
public void InvalidDefineSwitch()
{
var src = Temp.CreateFile("a.cs");
src.WriteAllText("public class C{}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", src.ToString(), "/define" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2006: Command-line syntax error: Missing '<text>' for '/define' option", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), @"/define:""""" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2029: Invalid name for a preprocessing symbol; '' is not a valid identifier", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), "/define: " }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2006: Command-line syntax error: Missing '<text>' for '/define:' option", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), "/define:" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2006: Command-line syntax error: Missing '<text>' for '/define:' option", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), "/define:,,," }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2029: Invalid name for a preprocessing symbol; '' is not a valid identifier", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), "/define:,blah,Blah" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2029: Invalid name for a preprocessing symbol; '' is not a valid identifier", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), "/define:a;;b@" }).Run(outWriter);
Assert.Equal(0, exitCode);
var errorLines = outWriter.ToString().Trim().Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
Assert.Equal("warning CS2029: Invalid name for a preprocessing symbol; '' is not a valid identifier", errorLines[0]);
Assert.Equal("warning CS2029: Invalid name for a preprocessing symbol; 'b@' is not a valid identifier", errorLines[1]);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), "/define:a,b@;" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("warning CS2029: Invalid name for a preprocessing symbol; 'b@' is not a valid identifier", outWriter.ToString().Trim());
//Bug 531612 - Native would normally not give the 2nd warning
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/t:library", src.ToString(), @"/define:OE_WIN32=-1:LANG_HOST_EN=-1:LANG_OE_EN=-1:LANG_PRJ_EN=-1:HOST_COM20SDKEVERETT=-1:EXEMODE=-1:OE_NT5=-1:Win32=-1", @"/d:TRACE=TRUE,DEBUG=TRUE" }).Run(outWriter);
Assert.Equal(0, exitCode);
errorLines = outWriter.ToString().Trim().Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
Assert.Equal(@"warning CS2029: Invalid name for a preprocessing symbol; 'OE_WIN32=-1:LANG_HOST_EN=-1:LANG_OE_EN=-1:LANG_PRJ_EN=-1:HOST_COM20SDKEVERETT=-1:EXEMODE=-1:OE_NT5=-1:Win32=-1' is not a valid identifier", errorLines[0]);
Assert.Equal(@"warning CS2029: Invalid name for a preprocessing symbol; 'TRACE=TRUE' is not a valid identifier", errorLines[1]);
CleanupAllGeneratedFiles(src.Path);
}
[WorkItem(733242, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/733242")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void Bug733242()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(
@"
/// <summary>ABC...XYZ</summary>
class C {} ");
var xml = dir.CreateFile("a.xml");
xml.WriteAllText("EMPTY");
using (var xmlFileHandle = File.Open(xml.ToString(), FileMode.Open, FileAccess.Read, FileShare.Delete | FileShare.ReadWrite))
{
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, String.Format("/nologo /t:library /doc:\"{1}\" \"{0}\"", src.ToString(), xml.ToString()), startFolder: dir.ToString());
Assert.Equal("", output.Trim());
Assert.True(File.Exists(Path.Combine(dir.ToString(), "a.xml")));
using (var reader = new StreamReader(xmlFileHandle))
{
var content = reader.ReadToEnd();
Assert.Equal(
@"<?xml version=""1.0""?>
<doc>
<assembly>
<name>a</name>
</assembly>
<members>
<member name=""T:C"">
<summary>ABC...XYZ</summary>
</member>
</members>
</doc>".Trim(), content.Trim());
}
}
CleanupAllGeneratedFiles(src.Path);
CleanupAllGeneratedFiles(xml.Path);
}
[WorkItem(768605, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/768605")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void Bug768605()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(
@"
/// <summary>ABC</summary>
class C {}
/// <summary>XYZ</summary>
class E {}
");
var xml = dir.CreateFile("a.xml");
xml.WriteAllText("EMPTY");
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, String.Format("/nologo /t:library /doc:\"{1}\" \"{0}\"", src.ToString(), xml.ToString()), startFolder: dir.ToString());
Assert.Equal("", output.Trim());
using (var reader = new StreamReader(xml.ToString()))
{
var content = reader.ReadToEnd();
Assert.Equal(
@"<?xml version=""1.0""?>
<doc>
<assembly>
<name>a</name>
</assembly>
<members>
<member name=""T:C"">
<summary>ABC</summary>
</member>
<member name=""T:E"">
<summary>XYZ</summary>
</member>
</members>
</doc>".Trim(), content.Trim());
}
src.WriteAllText(
@"
/// <summary>ABC</summary>
class C {}
");
output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, String.Format("/nologo /t:library /doc:\"{1}\" \"{0}\"", src.ToString(), xml.ToString()), startFolder: dir.ToString());
Assert.Equal("", output.Trim());
using (var reader = new StreamReader(xml.ToString()))
{
var content = reader.ReadToEnd();
Assert.Equal(
@"<?xml version=""1.0""?>
<doc>
<assembly>
<name>a</name>
</assembly>
<members>
<member name=""T:C"">
<summary>ABC</summary>
</member>
</members>
</doc>".Trim(), content.Trim());
}
CleanupAllGeneratedFiles(src.Path);
CleanupAllGeneratedFiles(xml.Path);
}
[Fact]
public void ParseFullpaths()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
Assert.False(parsedArgs.PrintFullPaths);
parsedArgs = DefaultParse(new[] { "a.cs", "/fullpaths" }, WorkingDirectory);
Assert.True(parsedArgs.PrintFullPaths);
parsedArgs = DefaultParse(new[] { "a.cs", "/fullpaths:" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadSwitch, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "a.cs", "/fullpaths: " }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadSwitch, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "a.cs", "/fullpaths+" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadSwitch, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "a.cs", "/fullpaths+:" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_BadSwitch, parsedArgs.Errors.First().Code);
}
[Fact]
public void CheckFullpaths()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
public class C
{
public static void Main()
{
string x;
}
}").Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
// Checks the base case without /fullpaths (expect to see relative path name)
// c:\temp> csc.exe c:\temp\a.cs
// a.cs(6,16): warning CS0168: The variable 'x' is declared but never used
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, baseDir, new[] { source, "/preferreduilang:en" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains(fileName + "(6,16): warning CS0168: The variable 'x' is declared but never used", outWriter.ToString(), StringComparison.Ordinal);
// Checks the base case without /fullpaths when the file is located in the sub-folder (expect to see relative path name)
// c:\temp> csc.exe c:\temp\example\a.cs
// example\a.cs(6,16): warning CS0168: The variable 'x' is declared but never used
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, Directory.GetParent(baseDir).FullName, new[] { source, "/preferreduilang:en" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains(fileName + "(6,16): warning CS0168: The variable 'x' is declared but never used", outWriter.ToString(), StringComparison.Ordinal);
Assert.DoesNotContain(source, outWriter.ToString(), StringComparison.Ordinal);
// Checks the base case without /fullpaths when the file is not located under the base directory (expect to see the full path name)
// c:\temp> csc.exe c:\test\a.cs
// c:\test\a.cs(6,16): warning CS0168: The variable 'x' is declared but never used
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, Temp.CreateDirectory().Path, new[] { source, "/preferreduilang:en" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains(source + "(6,16): warning CS0168: The variable 'x' is declared but never used", outWriter.ToString(), StringComparison.Ordinal);
// Checks the case with /fullpaths (expect to see the full paths)
// c:\temp> csc.exe c:\temp\a.cs /fullpaths
// c:\temp\a.cs(6,16): warning CS0168: The variable 'x' is declared but never used
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, baseDir, new[] { source, "/fullpaths", "/preferreduilang:en" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains(source + @"(6,16): warning CS0168: The variable 'x' is declared but never used", outWriter.ToString(), StringComparison.Ordinal);
// Checks the base case without /fullpaths when the file is located in the sub-folder (expect to see the full path name)
// c:\temp> csc.exe c:\temp\example\a.cs /fullpaths
// c:\temp\example\a.cs(6,16): warning CS0168: The variable 'x' is declared but never used
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, Directory.GetParent(baseDir).FullName, new[] { source, "/preferreduilang:en", "/fullpaths" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains(source + "(6,16): warning CS0168: The variable 'x' is declared but never used", outWriter.ToString(), StringComparison.Ordinal);
// Checks the base case without /fullpaths when the file is not located under the base directory (expect to see the full path name)
// c:\temp> csc.exe c:\test\a.cs /fullpaths
// c:\test\a.cs(6,16): warning CS0168: The variable 'x' is declared but never used
outWriter = new StringWriter(CultureInfo.InvariantCulture);
csc = CreateCSharpCompiler(null, Temp.CreateDirectory().Path, new[] { source, "/preferreduilang:en", "/fullpaths" });
exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Contains(source + "(6,16): warning CS0168: The variable 'x' is declared but never used", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(Path.Combine(Path.GetDirectoryName(Path.GetDirectoryName(source)), Path.GetFileName(source)));
}
[Fact]
public void DefaultResponseFile()
{
var sdkDirectory = SdkDirectory;
MockCSharpCompiler csc = new MockCSharpCompiler(
GetDefaultResponseFilePath(),
RuntimeUtilities.CreateBuildPaths(WorkingDirectory, sdkDirectory),
new string[0]);
AssertEx.Equal(csc.Arguments.MetadataReferences.Select(r => r.Reference), new string[]
{
MscorlibFullPath,
"Accessibility.dll",
"Microsoft.CSharp.dll",
"System.Configuration.dll",
"System.Configuration.Install.dll",
"System.Core.dll",
"System.Data.dll",
"System.Data.DataSetExtensions.dll",
"System.Data.Linq.dll",
"System.Data.OracleClient.dll",
"System.Deployment.dll",
"System.Design.dll",
"System.DirectoryServices.dll",
"System.dll",
"System.Drawing.Design.dll",
"System.Drawing.dll",
"System.EnterpriseServices.dll",
"System.Management.dll",
"System.Messaging.dll",
"System.Runtime.Remoting.dll",
"System.Runtime.Serialization.dll",
"System.Runtime.Serialization.Formatters.Soap.dll",
"System.Security.dll",
"System.ServiceModel.dll",
"System.ServiceModel.Web.dll",
"System.ServiceProcess.dll",
"System.Transactions.dll",
"System.Web.dll",
"System.Web.Extensions.Design.dll",
"System.Web.Extensions.dll",
"System.Web.Mobile.dll",
"System.Web.RegularExpressions.dll",
"System.Web.Services.dll",
"System.Windows.Forms.dll",
"System.Workflow.Activities.dll",
"System.Workflow.ComponentModel.dll",
"System.Workflow.Runtime.dll",
"System.Xml.dll",
"System.Xml.Linq.dll",
}, StringComparer.OrdinalIgnoreCase);
}
[Fact]
public void DefaultResponseFileNoConfig()
{
MockCSharpCompiler csc = CreateCSharpCompiler(GetDefaultResponseFilePath(), WorkingDirectory, new[] { "/noconfig" });
Assert.Equal(csc.Arguments.MetadataReferences.Select(r => r.Reference), new string[]
{
MscorlibFullPath,
}, StringComparer.OrdinalIgnoreCase);
}
[Fact, WorkItem(545954, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545954")]
public void TestFilterParseDiagnostics()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
#pragma warning disable 440
using global = A; // CS0440
class A
{
static void Main() {
#pragma warning suppress 440
}
}").Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/preferreduilang:en", source.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal(Path.GetFileName(source) + "(7,17): warning CS1634: Expected 'disable' or 'restore'", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/nowarn:1634", source.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/preferreduilang:en", Path.Combine(baseDir, "nonexistent.cs"), source.ToString() }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2001: Source file '" + Path.Combine(baseDir, "nonexistent.cs") + "' could not be found.", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
}
[Fact, WorkItem(546058, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546058")]
public void TestNoWarnParseDiagnostics()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
class Test
{
static void Main()
{
//Generates warning CS1522: Empty switch block
switch (1) { }
//Generates warning CS0642: Possible mistaken empty statement
while (false) ;
{ }
}
}
").Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/nowarn:1522,642", source.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
}
[Fact, WorkItem(41610, "https://github.com/dotnet/roslyn/issues/41610")]
public void TestWarnAsError_CS8632()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
public class C
{
public string? field;
public static void Main()
{
}
}
").Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/preferreduilang:en", "/warn:3", "/warnaserror:nullable", source.ToString() }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal(
$@"{fileName}(4,18): error CS8632: The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
}
[Fact, WorkItem(546076, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546076")]
public void TestWarnAsError_CS1522()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
public class Test
{
// CS0169 (level 3)
private int x;
// CS0109 (level 4)
public new void Method() { }
public static int Main()
{
int i = 5;
// CS1522 (level 1)
switch (i) { }
return 0;
// CS0162 (level 2)
i = 6;
}
}
").Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[] { "/nologo", "/preferreduilang:en", "/warn:3", "/warnaserror", source.ToString() }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal(
$@"{fileName}(12,20): error CS1522: Empty switch block
{fileName}(15,9): error CS0162: Unreachable code detected
{fileName}(5,17): error CS0169: The field 'Test.x' is never used", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
}
[Fact(), WorkItem(546025, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546025")]
public void TestWin32ResWithBadResFile_CS1583ERR_BadWin32Res_01()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"class Test { static void Main() {} }").Path;
string badres = Temp.CreateFile().WriteAllBytes(TestResources.DiagnosticTests.badresfile).Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[]
{
"/nologo",
"/preferreduilang:en",
"/win32res:" + badres,
source
}).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS1583: Error reading Win32 resources -- Image is too small.", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(badres);
}
[Fact(), WorkItem(217718, "https://devdiv.visualstudio.com/DevDiv/_workitems?id=217718")]
public void TestWin32ResWithBadResFile_CS1583ERR_BadWin32Res_02()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"class Test { static void Main() {} }").Path;
string badres = Temp.CreateFile().WriteAllBytes(new byte[] { 0, 0 }).Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, baseDir, new[]
{
"/nologo",
"/preferreduilang:en",
"/win32res:" + badres,
source
}).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS1583: Error reading Win32 resources -- Unrecognized resource file format.", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
CleanupAllGeneratedFiles(badres);
}
[Fact, WorkItem(546114, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546114")]
public void TestFilterCommandLineDiagnostics()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
class A
{
static void Main() { }
}").Path;
var baseDir = Path.GetDirectoryName(source);
var fileName = Path.GetFileName(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/target:library", "/out:goo.dll", "/nowarn:2008" }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
System.IO.File.Delete(System.IO.Path.Combine(baseDir, "goo.dll"));
CleanupAllGeneratedFiles(source);
}
[Fact, WorkItem(546452, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546452")]
public void CS1691WRN_BadWarningNumber_Bug15905()
{
string source = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(@"
class Program
{
#pragma warning disable 1998
public static void Main() { }
#pragma warning restore 1998
} ").Path;
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
// Repro case 1
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/warnaserror", source.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
// Repro case 2
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/nowarn:1998", source.ToString() }).Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(source);
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = ConditionalSkipReason.NativePdbRequiresDesktop)]
public void ExistingPdb()
{
var dir = Temp.CreateDirectory();
var source1 = dir.CreateFile("program1.cs").WriteAllText(@"
class " + new string('a', 10000) + @"
{
public static void Main()
{
}
}");
var source2 = dir.CreateFile("program2.cs").WriteAllText(@"
class Program2
{
public static void Main() { }
}");
var source3 = dir.CreateFile("program3.cs").WriteAllText(@"
class Program3
{
public static void Main() { }
}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int oldSize = 16 * 1024;
var exe = dir.CreateFile("Program.exe");
using (var stream = File.OpenWrite(exe.Path))
{
byte[] buffer = new byte[oldSize];
stream.Write(buffer, 0, buffer.Length);
}
var pdb = dir.CreateFile("Program.pdb");
using (var stream = File.OpenWrite(pdb.Path))
{
byte[] buffer = new byte[oldSize];
stream.Write(buffer, 0, buffer.Length);
}
int exitCode1 = CreateCSharpCompiler(null, dir.Path, new[] { "/debug:full", "/out:Program.exe", source1.Path }).Run(outWriter);
Assert.NotEqual(0, exitCode1);
ValidateZeroes(exe.Path, oldSize);
ValidateZeroes(pdb.Path, oldSize);
int exitCode2 = CreateCSharpCompiler(null, dir.Path, new[] { "/debug:full", "/out:Program.exe", source2.Path }).Run(outWriter);
Assert.Equal(0, exitCode2);
using (var peFile = File.OpenRead(exe.Path))
{
PdbValidation.ValidateDebugDirectory(peFile, null, pdb.Path, hashAlgorithm: default, hasEmbeddedPdb: false, isDeterministic: false);
}
Assert.True(new FileInfo(exe.Path).Length < oldSize);
Assert.True(new FileInfo(pdb.Path).Length < oldSize);
int exitCode3 = CreateCSharpCompiler(null, dir.Path, new[] { "/debug:full", "/out:Program.exe", source3.Path }).Run(outWriter);
Assert.Equal(0, exitCode3);
using (var peFile = File.OpenRead(exe.Path))
{
PdbValidation.ValidateDebugDirectory(peFile, null, pdb.Path, hashAlgorithm: default, hasEmbeddedPdb: false, isDeterministic: false);
}
}
private static void ValidateZeroes(string path, int count)
{
using (var stream = File.OpenRead(path))
{
byte[] buffer = new byte[count];
stream.Read(buffer, 0, buffer.Length);
for (int i = 0; i < buffer.Length; i++)
{
if (buffer[i] != 0)
{
Assert.True(false);
}
}
}
}
/// <summary>
/// When the output file is open with <see cref="FileShare.Read"/> | <see cref="FileShare.Delete"/>
/// the compiler should delete the file to unblock build while allowing the reader to continue
/// reading the previous snapshot of the file content.
///
/// On Windows we can read the original data directly from the stream without creating a memory map.
/// </summary>
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = ConditionalSkipReason.NativePdbRequiresDesktop)]
public void FileShareDeleteCompatibility_Windows()
{
var dir = Temp.CreateDirectory();
var libSrc = dir.CreateFile("Lib.cs").WriteAllText("class C { }");
var libDll = dir.CreateFile("Lib.dll").WriteAllText("DLL");
var libPdb = dir.CreateFile("Lib.pdb").WriteAllText("PDB");
var fsDll = new FileStream(libDll.Path, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete);
var fsPdb = new FileStream(libPdb.Path, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, dir.Path, new[] { "/target:library", "/debug:full", libSrc.Path }).Run(outWriter);
if (exitCode != 0)
{
AssertEx.AssertEqualToleratingWhitespaceDifferences("", outWriter.ToString());
}
Assert.Equal(0, exitCode);
AssertEx.Equal(new byte[] { 0x4D, 0x5A }, ReadBytes(libDll.Path, 2));
AssertEx.Equal(new[] { (byte)'D', (byte)'L', (byte)'L' }, ReadBytes(fsDll, 3));
AssertEx.Equal(new byte[] { 0x4D, 0x69 }, ReadBytes(libPdb.Path, 2));
AssertEx.Equal(new[] { (byte)'P', (byte)'D', (byte)'B' }, ReadBytes(fsPdb, 3));
fsDll.Dispose();
fsPdb.Dispose();
AssertEx.Equal(new[] { "Lib.cs", "Lib.dll", "Lib.pdb" }, Directory.GetFiles(dir.Path).Select(p => Path.GetFileName(p)).Order());
}
/// <summary>
/// On Linux/Mac <see cref="FileShare.Delete"/> on its own doesn't do anything.
/// We need to create the actual memory map. This works on Windows as well.
/// </summary>
[WorkItem(8896, "https://github.com/dotnet/roslyn/issues/8896")]
[ConditionalFact(typeof(WindowsDesktopOnly), typeof(IsEnglishLocal), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void FileShareDeleteCompatibility_Xplat()
{
var bytes = TestResources.MetadataTests.InterfaceAndClass.CSClasses01;
var mvid = ReadMvid(new MemoryStream(bytes));
var dir = Temp.CreateDirectory();
var libSrc = dir.CreateFile("Lib.cs").WriteAllText("class C { }");
var libDll = dir.CreateFile("Lib.dll").WriteAllBytes(bytes);
var libPdb = dir.CreateFile("Lib.pdb").WriteAllBytes(bytes);
var fsDll = new FileStream(libDll.Path, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete);
var fsPdb = new FileStream(libPdb.Path, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete);
var peDll = new PEReader(fsDll);
var pePdb = new PEReader(fsPdb);
// creates memory map view:
var imageDll = peDll.GetEntireImage();
var imagePdb = pePdb.GetEntireImage();
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, $"/target:library /debug:portable \"{libSrc.Path}\"", startFolder: dir.ToString());
AssertEx.AssertEqualToleratingWhitespaceDifferences($@"
Microsoft (R) Visual C# Compiler version {s_compilerVersion}
Copyright (C) Microsoft Corporation. All rights reserved.", output);
// reading original content from the memory map:
Assert.Equal(mvid, ReadMvid(new MemoryStream(imageDll.GetContent().ToArray())));
Assert.Equal(mvid, ReadMvid(new MemoryStream(imagePdb.GetContent().ToArray())));
// reading original content directly from the streams:
fsDll.Position = 0;
fsPdb.Position = 0;
Assert.Equal(mvid, ReadMvid(fsDll));
Assert.Equal(mvid, ReadMvid(fsPdb));
// reading new content from the file:
using (var fsNewDll = File.OpenRead(libDll.Path))
{
Assert.NotEqual(mvid, ReadMvid(fsNewDll));
}
// Portable PDB metadata signature:
AssertEx.Equal(new[] { (byte)'B', (byte)'S', (byte)'J', (byte)'B' }, ReadBytes(libPdb.Path, 4));
// dispose PEReaders (they dispose the underlying file streams)
peDll.Dispose();
pePdb.Dispose();
AssertEx.Equal(new[] { "Lib.cs", "Lib.dll", "Lib.pdb" }, Directory.GetFiles(dir.Path).Select(p => Path.GetFileName(p)).Order());
// files can be deleted now:
File.Delete(libSrc.Path);
File.Delete(libDll.Path);
File.Delete(libPdb.Path);
// directory can be deleted (should be empty):
Directory.Delete(dir.Path, recursive: false);
}
private static Guid ReadMvid(Stream stream)
{
using (var peReader = new PEReader(stream, PEStreamOptions.LeaveOpen))
{
var mdReader = peReader.GetMetadataReader();
return mdReader.GetGuid(mdReader.GetModuleDefinition().Mvid);
}
}
// Seems like File.SetAttributes(libDll.Path, FileAttributes.ReadOnly) doesn't restrict access to the file on Mac (Linux passes).
[ConditionalFact(typeof(WindowsOnly)), WorkItem(8939, "https://github.com/dotnet/roslyn/issues/8939")]
public void FileShareDeleteCompatibility_ReadOnlyFiles()
{
var dir = Temp.CreateDirectory();
var libSrc = dir.CreateFile("Lib.cs").WriteAllText("class C { }");
var libDll = dir.CreateFile("Lib.dll").WriteAllText("DLL");
File.SetAttributes(libDll.Path, FileAttributes.ReadOnly);
var fsDll = new FileStream(libDll.Path, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, dir.Path, new[] { "/target:library", "/preferreduilang:en", libSrc.Path }).Run(outWriter);
Assert.Contains($"error CS2012: Cannot open '{libDll.Path}' for writing", outWriter.ToString());
AssertEx.Equal(new[] { (byte)'D', (byte)'L', (byte)'L' }, ReadBytes(libDll.Path, 3));
AssertEx.Equal(new[] { (byte)'D', (byte)'L', (byte)'L' }, ReadBytes(fsDll, 3));
fsDll.Dispose();
AssertEx.Equal(new[] { "Lib.cs", "Lib.dll" }, Directory.GetFiles(dir.Path).Select(p => Path.GetFileName(p)).Order());
}
[Fact]
public void FileShareDeleteCompatibility_ExistingDirectory()
{
var dir = Temp.CreateDirectory();
var libSrc = dir.CreateFile("Lib.cs").WriteAllText("class C { }");
var libDll = dir.CreateDirectory("Lib.dll");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, dir.Path, new[] { "/target:library", "/preferreduilang:en", libSrc.Path }).Run(outWriter);
Assert.Contains($"error CS2012: Cannot open '{libDll.Path}' for writing", outWriter.ToString());
}
private byte[] ReadBytes(Stream stream, int count)
{
var buffer = new byte[count];
stream.Read(buffer, 0, count);
return buffer;
}
private byte[] ReadBytes(string path, int count)
{
using (var stream = File.OpenRead(path))
{
return ReadBytes(stream, count);
}
}
[Fact]
public void IOFailure_DisposeOutputFile()
{
var srcPath = MakeTrivialExe(Temp.CreateDirectory().Path);
var exePath = Path.Combine(Path.GetDirectoryName(srcPath), "test.exe");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", $"/out:{exePath}", srcPath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == exePath)
{
return new TestStream(backingStream: new MemoryStream(),
dispose: () => { throw new IOException("Fake IOException"); });
}
return File.Open(file, mode, access, share);
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
Assert.Equal(1, csc.Run(outWriter));
Assert.Contains($"error CS0016: Could not write to output file '{exePath}' -- 'Fake IOException'{Environment.NewLine}", outWriter.ToString());
}
[Fact]
public void IOFailure_DisposePdbFile()
{
var srcPath = MakeTrivialExe(Temp.CreateDirectory().Path);
var exePath = Path.Combine(Path.GetDirectoryName(srcPath), "test.exe");
var pdbPath = Path.ChangeExtension(exePath, "pdb");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/debug", $"/out:{exePath}", srcPath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == pdbPath)
{
return new TestStream(backingStream: new MemoryStream(),
dispose: () => { throw new IOException("Fake IOException"); });
}
return File.Open(file, mode, access, share);
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
Assert.Equal(1, csc.Run(outWriter));
Assert.Contains($"error CS0016: Could not write to output file '{pdbPath}' -- 'Fake IOException'{Environment.NewLine}", outWriter.ToString());
}
[Fact]
public void IOFailure_DisposeXmlFile()
{
var srcPath = MakeTrivialExe(Temp.CreateDirectory().Path);
var xmlPath = Path.Combine(Path.GetDirectoryName(srcPath), "test.xml");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", $"/doc:{xmlPath}", srcPath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == xmlPath)
{
return new TestStream(backingStream: new MemoryStream(),
dispose: () => { throw new IOException("Fake IOException"); });
}
return File.Open(file, mode, access, share);
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
Assert.Equal(1, csc.Run(outWriter));
Assert.Equal($"error CS0016: Could not write to output file '{xmlPath}' -- 'Fake IOException'{Environment.NewLine}", outWriter.ToString());
}
[Theory]
[InlineData("portable")]
[InlineData("full")]
public void IOFailure_DisposeSourceLinkFile(string format)
{
var srcPath = MakeTrivialExe(Temp.CreateDirectory().Path);
var sourceLinkPath = Path.Combine(Path.GetDirectoryName(srcPath), "test.json");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/debug:" + format, $"/sourcelink:{sourceLinkPath}", srcPath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == sourceLinkPath)
{
return new TestStream(backingStream: new MemoryStream(Encoding.UTF8.GetBytes(@"
{
""documents"": {
""f:/build/*"" : ""https://raw.githubusercontent.com/my-org/my-project/1111111111111111111111111111111111111111/*""
}
}
"{
""documents"": {
""f:/build/*"" : ""https://raw.githubusercontent.com/my-org/my-project/1111111111111111111111111111111111111111/*""
}
}
")),
dispose: () => { throw new IOException("Fake IOException"); });
}
return File.Open(file, mode, access, share);
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
Assert.Equal(1, csc.Run(outWriter));
Assert.Equal($"error CS0016: Could not write to output file '{sourceLinkPath}' -- 'Fake IOException'{Environment.NewLine}", outWriter.ToString());
}
[Fact]
public void IOFailure_OpenOutputFile()
{
string sourcePath = MakeTrivialExe();
string exePath = Path.Combine(Path.GetDirectoryName(sourcePath), "test.exe");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", $"/out:{exePath}", sourcePath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == exePath)
{
throw new IOException();
}
return File.Open(file, mode, access, share);
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
Assert.Equal(1, csc.Run(outWriter));
Assert.Contains($"error CS2012: Cannot open '{exePath}' for writing", outWriter.ToString());
System.IO.File.Delete(sourcePath);
System.IO.File.Delete(exePath);
CleanupAllGeneratedFiles(sourcePath);
}
[Fact]
public void IOFailure_OpenPdbFileNotCalled()
{
string sourcePath = MakeTrivialExe();
string exePath = Path.Combine(Path.GetDirectoryName(sourcePath), "test.exe");
string pdbPath = Path.ChangeExtension(exePath, ".pdb");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/debug-", $"/out:{exePath}", sourcePath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == pdbPath)
{
throw new IOException();
}
return File.Open(file, (FileMode)mode, (FileAccess)access, (FileShare)share);
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
Assert.Equal(0, csc.Run(outWriter));
System.IO.File.Delete(sourcePath);
System.IO.File.Delete(exePath);
System.IO.File.Delete(pdbPath);
CleanupAllGeneratedFiles(sourcePath);
}
[Fact]
public void IOFailure_OpenXmlFinal()
{
string sourcePath = MakeTrivialExe();
string xmlPath = Path.Combine(WorkingDirectory, "Test.xml");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/preferreduilang:en", "/doc:" + xmlPath, sourcePath });
csc.FileSystem = TestableFileSystem.CreateForStandard(openFileFunc: (file, mode, access, share) =>
{
if (file == xmlPath)
{
throw new IOException();
}
else
{
return File.Open(file, (FileMode)mode, (FileAccess)access, (FileShare)share);
}
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = csc.Run(outWriter);
var expectedOutput = string.Format("error CS0016: Could not write to output file '{0}' -- 'I/O error occurred.'", xmlPath);
Assert.Equal(expectedOutput, outWriter.ToString().Trim());
Assert.NotEqual(0, exitCode);
System.IO.File.Delete(xmlPath);
System.IO.File.Delete(sourcePath);
CleanupAllGeneratedFiles(sourcePath);
}
private string MakeTrivialExe(string directory = null)
{
return Temp.CreateFile(directory: directory, prefix: "", extension: ".cs").WriteAllText(@"
class Program
{
public static void Main() { }
} ").Path;
}
[Fact, WorkItem(546452, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546452")]
public void CS1691WRN_BadWarningNumber_AllErrorCodes()
{
const int jump = 200;
for (int i = 0; i < 8000; i += (8000 / jump))
{
int startErrorCode = (int)i * jump;
int endErrorCode = startErrorCode + jump;
string source = ComputeSourceText(startErrorCode, endErrorCode);
// Previous versions of the compiler used to report a warning (CS1691)
// whenever an unrecognized warning code was supplied in a #pragma directive
// (or via /nowarn /warnaserror flags on the command line).
// Going forward, we won't generate any warning in such cases. This will make
// maintenance of backwards compatibility easier (we no longer need to worry
// about breaking existing projects / command lines if we deprecate / remove
// an old warning code).
Test(source, startErrorCode, endErrorCode);
}
}
private static string ComputeSourceText(int startErrorCode, int endErrorCode)
{
string pragmaDisableWarnings = String.Empty;
for (int errorCode = startErrorCode; errorCode < endErrorCode; errorCode++)
{
string pragmaDisableStr = @"#pragma warning disable " + errorCode.ToString() + @"
";
pragmaDisableWarnings += pragmaDisableStr;
}
return pragmaDisableWarnings + @"
public class C
{
public static void Main() { }
}";
}
private void Test(string source, int startErrorCode, int endErrorCode)
{
string sourcePath = Temp.CreateFile(prefix: "", extension: ".cs").WriteAllText(source).Path;
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", sourcePath }).Run(outWriter);
Assert.Equal(0, exitCode);
var cscOutput = outWriter.ToString().Trim();
for (int errorCode = startErrorCode; errorCode < endErrorCode; errorCode++)
{
Assert.True(cscOutput == string.Empty, "Failed at error code: " + errorCode);
}
CleanupAllGeneratedFiles(sourcePath);
}
[Fact]
public void WriteXml()
{
var source = @"
/// <summary>
/// A subtype of <see cref=""object""/>.
/// </summary>
public class C { }
";
var sourcePath = Temp.CreateFile(directory: WorkingDirectory, extension: ".cs").WriteAllText(source).Path;
string xmlPath = Path.Combine(WorkingDirectory, "Test.xml");
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/target:library", "/out:Test.dll", "/doc:" + xmlPath, sourcePath });
var writer = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = csc.Run(writer);
if (exitCode != 0)
{
Console.WriteLine(writer.ToString());
Assert.Equal(0, exitCode);
}
var bytes = File.ReadAllBytes(xmlPath);
var actual = new string(Encoding.UTF8.GetChars(bytes));
var expected = @"
<?xml version=""1.0""?>
<doc>
<assembly>
<name>Test</name>
</assembly>
<members>
<member name=""T:C"">
<summary>
A subtype of <see cref=""T:System.Object""/>.
</summary>
</member>
</members>
</doc>
";
Assert.Equal(expected.Trim(), actual.Trim());
System.IO.File.Delete(xmlPath);
System.IO.File.Delete(sourcePath);
CleanupAllGeneratedFiles(sourcePath);
CleanupAllGeneratedFiles(xmlPath);
}
[WorkItem(546468, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546468")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void CS2002WRN_FileAlreadyIncluded()
{
const string cs2002 = @"warning CS2002: Source file '{0}' specified multiple times";
TempDirectory tempParentDir = Temp.CreateDirectory();
TempDirectory tempDir = tempParentDir.CreateDirectory("tmpDir");
TempFile tempFile = tempDir.CreateFile("a.cs").WriteAllText(@"public class A { }");
// Simple case
var commandLineArgs = new[] { "a.cs", "a.cs" };
// warning CS2002: Source file 'a.cs' specified multiple times
string aWrnString = String.Format(cs2002, "a.cs");
TestCS2002(commandLineArgs, tempDir.Path, 0, aWrnString);
// Multiple duplicates
commandLineArgs = new[] { "a.cs", "a.cs", "a.cs" };
// warning CS2002: Source file 'a.cs' specified multiple times
var warnings = new[] { aWrnString };
TestCS2002(commandLineArgs, tempDir.Path, 0, warnings);
// Case-insensitive
commandLineArgs = new[] { "a.cs", "A.cs" };
// warning CS2002: Source file 'A.cs' specified multiple times
string AWrnString = String.Format(cs2002, "A.cs");
TestCS2002(commandLineArgs, tempDir.Path, 0, AWrnString);
// Different extensions
tempDir.CreateFile("a.csx");
commandLineArgs = new[] { "a.cs", "a.csx" };
// No errors or warnings
TestCS2002(commandLineArgs, tempDir.Path, 0, String.Empty);
// Absolute vs Relative
commandLineArgs = new[] { @"tmpDir\a.cs", tempFile.Path };
// warning CS2002: Source file 'tmpDir\a.cs' specified multiple times
string tmpDiraString = String.Format(cs2002, @"tmpDir\a.cs");
TestCS2002(commandLineArgs, tempParentDir.Path, 0, tmpDiraString);
// Both relative
commandLineArgs = new[] { @"tmpDir\..\tmpDir\a.cs", @"tmpDir\a.cs" };
// warning CS2002: Source file 'tmpDir\a.cs' specified multiple times
TestCS2002(commandLineArgs, tempParentDir.Path, 0, tmpDiraString);
// With wild cards
commandLineArgs = new[] { tempFile.Path, @"tmpDir\*.cs" };
// warning CS2002: Source file 'tmpDir\a.cs' specified multiple times
TestCS2002(commandLineArgs, tempParentDir.Path, 0, tmpDiraString);
// "/recurse" scenarios
commandLineArgs = new[] { @"/recurse:a.cs", @"tmpDir\a.cs" };
// warning CS2002: Source file 'tmpDir\a.cs' specified multiple times
TestCS2002(commandLineArgs, tempParentDir.Path, 0, tmpDiraString);
commandLineArgs = new[] { @"/recurse:a.cs", @"/recurse:tmpDir\..\tmpDir\*.cs" };
// warning CS2002: Source file 'tmpDir\a.cs' specified multiple times
TestCS2002(commandLineArgs, tempParentDir.Path, 0, tmpDiraString);
// Invalid file/path characters
const string cs1504 = @"error CS1504: Source file '{0}' could not be opened -- {1}";
commandLineArgs = new[] { "/preferreduilang:en", tempFile.Path, "tmpDir\a.cs" };
// error CS1504: Source file '{0}' could not be opened: Illegal characters in path.
var formattedcs1504Str = String.Format(cs1504, PathUtilities.CombineAbsoluteAndRelativePaths(tempParentDir.Path, "tmpDir\a.cs"), "Illegal characters in path.");
TestCS2002(commandLineArgs, tempParentDir.Path, 1, formattedcs1504Str);
commandLineArgs = new[] { tempFile.Path, @"tmpDi\r*a?.cs" };
var parseDiags = new[] {
// error CS2021: File name 'tmpDi\r*a?.cs' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(@"tmpDi\r*a?.cs"),
// error CS2001: Source file 'tmpDi\r*a?.cs' could not be found.
Diagnostic(ErrorCode.ERR_FileNotFound).WithArguments(@"tmpDi\r*a?.cs")};
TestCS2002(commandLineArgs, tempParentDir.Path, 1, (string[])null, parseDiags);
char currentDrive = Directory.GetCurrentDirectory()[0];
commandLineArgs = new[] { tempFile.Path, currentDrive + @":a.cs" };
parseDiags = new[] {
// error CS2021: File name 'e:a.cs' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Diagnostic(ErrorCode.FTL_InvalidInputFileName).WithArguments(currentDrive + @":a.cs")};
TestCS2002(commandLineArgs, tempParentDir.Path, 1, (string[])null, parseDiags);
commandLineArgs = new[] { "/preferreduilang:en", tempFile.Path, @":a.cs" };
// error CS1504: Source file '{0}' could not be opened: {1}
var formattedcs1504 = String.Format(cs1504, PathUtilities.CombineAbsoluteAndRelativePaths(tempParentDir.Path, @":a.cs"), @"The given path's format is not supported.");
TestCS2002(commandLineArgs, tempParentDir.Path, 1, formattedcs1504);
CleanupAllGeneratedFiles(tempFile.Path);
System.IO.Directory.Delete(tempParentDir.Path, true);
}
private void TestCS2002(string[] commandLineArgs, string baseDirectory, int expectedExitCode, string compileDiagnostic, params DiagnosticDescription[] parseDiagnostics)
{
TestCS2002(commandLineArgs, baseDirectory, expectedExitCode, new[] { compileDiagnostic }, parseDiagnostics);
}
private void TestCS2002(string[] commandLineArgs, string baseDirectory, int expectedExitCode, string[] compileDiagnostics, params DiagnosticDescription[] parseDiagnostics)
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var allCommandLineArgs = new[] { "/nologo", "/preferreduilang:en", "/t:library" }.Concat(commandLineArgs).ToArray();
// Verify command line parser diagnostics.
DefaultParse(allCommandLineArgs, baseDirectory).Errors.Verify(parseDiagnostics);
// Verify compile.
int exitCode = CreateCSharpCompiler(null, baseDirectory, allCommandLineArgs).Run(outWriter);
Assert.Equal(expectedExitCode, exitCode);
if (parseDiagnostics.IsEmpty())
{
// Verify compile diagnostics.
string outString = String.Empty;
for (int i = 0; i < compileDiagnostics.Length; i++)
{
if (i != 0)
{
outString += @"
";
}
outString += compileDiagnostics[i];
}
Assert.Equal(outString, outWriter.ToString().Trim());
}
else
{
Assert.Null(compileDiagnostics);
}
}
[Fact]
public void ErrorLineEnd()
{
var tree = SyntaxFactory.ParseSyntaxTree("class C public { }", path: "goo");
var comp = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/errorendlocation" });
var loc = new SourceLocation(tree.GetCompilationUnitRoot().FindToken(6));
var diag = new CSDiagnostic(new DiagnosticInfo(MessageProvider.Instance, (int)ErrorCode.ERR_MetadataNameTooLong, "<name>"), loc);
var text = comp.DiagnosticFormatter.Format(diag);
string stringStart = "goo(1,7,1,8)";
Assert.Equal(stringStart, text.Substring(0, stringStart.Length));
}
[Fact]
public void ReportAnalyzer()
{
var parsedArgs1 = DefaultParse(new[] { "a.cs", "/reportanalyzer" }, WorkingDirectory);
Assert.True(parsedArgs1.ReportAnalyzer);
var parsedArgs2 = DefaultParse(new[] { "a.cs", "" }, WorkingDirectory);
Assert.False(parsedArgs2.ReportAnalyzer);
}
[Fact]
public void ReportAnalyzerOutput()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class C {}");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(
responseFile: null,
srcDirectory,
new[] { "/reportanalyzer", "/t:library", srcFile.Path },
analyzers: [new WarningDiagnosticAnalyzer(), new DiagnosticSuppressorForId("Warning01", "Suppressor01")],
generators: new[] { new DoNothingGenerator().AsSourceGenerator() });
var exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var output = outWriter.ToString();
Assert.Contains(CodeAnalysisResources.AnalyzerExecutionTimeColumnHeader, output, StringComparison.Ordinal);
Assert.Contains($"{nameof(WarningDiagnosticAnalyzer)} (Warning01)", output, StringComparison.Ordinal);
Assert.Contains($"{nameof(DiagnosticSuppressorForId)} (Suppressor01)", output, StringComparison.Ordinal);
Assert.Contains(CodeAnalysisResources.GeneratorNameColumnHeader, output, StringComparison.Ordinal);
Assert.Contains(typeof(DoNothingGenerator).FullName, output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[Fact]
[WorkItem(40926, "https://github.com/dotnet/roslyn/issues/40926")]
public void SkipAnalyzersParse()
{
var parsedArgs = DefaultParse(new[] { "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.SkipAnalyzers);
parsedArgs = DefaultParse(new[] { "/skipanalyzers+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.SkipAnalyzers);
parsedArgs = DefaultParse(new[] { "/skipanalyzers", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.SkipAnalyzers);
parsedArgs = DefaultParse(new[] { "/SKIPANALYZERS+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.SkipAnalyzers);
parsedArgs = DefaultParse(new[] { "/skipanalyzers-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.SkipAnalyzers);
parsedArgs = DefaultParse(new[] { "/skipanalyzers-", "/skipanalyzers+", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.True(parsedArgs.SkipAnalyzers);
parsedArgs = DefaultParse(new[] { "/skipanalyzers", "/skipanalyzers-", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.False(parsedArgs.SkipAnalyzers);
}
[Fact]
[WorkItem(40926, "https://github.com/dotnet/roslyn/issues/40926")]
public void SkipAnalyzersFlagFiltersAnalyzers()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class C {}");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var args = new List<string>() { "/reportanalyzer", "/t:library", "/a:" + typeof(DoNothingGenerator).Assembly.Location, srcFile.Path };
var csc = CreateCSharpCompiler(
responseFile: null,
srcDirectory,
args.ToArray());
csc.ResolveAnalyzersFromArguments(
skipAnalyzers: false,
out _,
out var analyzers,
out var generators);
Assert.NotEmpty(analyzers);
Assert.NotEmpty(generators);
csc.ResolveAnalyzersFromArguments(
skipAnalyzers: true,
out _,
out analyzers,
out generators);
Assert.All(analyzers, static x => Assert.IsAssignableFrom<DiagnosticSuppressor>(x));
Assert.NotEmpty(generators);
CleanupAllGeneratedFiles(srcFile.Path);
}
[Theory]
[CombinatorialData]
[WorkItem(40926, "https://github.com/dotnet/roslyn/issues/40926")]
public void NoAnalyzersReportSemantics(bool skipAnalyzers)
{
var srcFile = Temp.CreateFile().WriteAllText(@"class C {}");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var analyzers = skipAnalyzers
? Array.Empty<DiagnosticAnalyzer>()
: new DiagnosticAnalyzer[] { new HiddenDiagnosticAnalyzer(), new WarningDiagnosticAnalyzer() };
var csc = CreateCSharpCompiler(
responseFile: null,
srcDirectory,
new[] { "/reportanalyzer", "/t:library", srcFile.Path },
analyzers: analyzers);
var exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var output = outWriter.ToString();
if (skipAnalyzers)
{
Assert.DoesNotContain(CodeAnalysisResources.AnalyzerExecutionTimeColumnHeader, output, StringComparison.Ordinal);
Assert.DoesNotContain(new WarningDiagnosticAnalyzer().ToString(), output, StringComparison.Ordinal);
}
else
{
Assert.Contains(CodeAnalysisResources.AnalyzerExecutionTimeColumnHeader, output, StringComparison.Ordinal);
Assert.Contains(new WarningDiagnosticAnalyzer().ToString(), output, StringComparison.Ordinal);
}
CleanupAllGeneratedFiles(srcFile.Path);
}
[Fact]
[WorkItem(24835, "https://github.com/dotnet/roslyn/issues/24835")]
public void TestCompilationSuccessIfOnlySuppressedDiagnostics()
{
var srcFile = Temp.CreateFile().WriteAllText(@"
#pragma warning disable Warning01
class C { }
");
var errorLog = Temp.CreateFile();
var csc = CreateCSharpCompiler(
null,
workingDirectory: Path.GetDirectoryName(srcFile.Path),
args: new[] { "/errorlog:" + errorLog.Path, "/warnaserror+", "/nologo", "/t:library", srcFile.Path },
analyzers: new[] { new WarningDiagnosticAnalyzer() });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = csc.Run(outWriter);
// Previously, the compiler would return error code 1 without printing any diagnostics
Assert.Empty(outWriter.ToString());
Assert.Equal(0, exitCode);
CleanupAllGeneratedFiles(srcFile.Path);
CleanupAllGeneratedFiles(errorLog.Path);
}
[Fact]
[WorkItem(1759, "https://github.com/dotnet/roslyn/issues/1759")]
public void AnalyzerDiagnosticThrowsInGetMessage()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class C {}");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/t:library", srcFile.Path },
analyzers: new[] { new AnalyzerThatThrowsInGetMessage() });
var exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var output = outWriter.ToString();
// Verify that the diagnostic reported by AnalyzerThatThrowsInGetMessage is reported, though it doesn't have the message.
Assert.Contains(AnalyzerThatThrowsInGetMessage.Rule.Id, output, StringComparison.Ordinal);
// Verify that the analyzer exception diagnostic for the exception throw in AnalyzerThatThrowsInGetMessage is also reported.
Assert.Contains(AnalyzerExecutor.AnalyzerExceptionDiagnosticId, output, StringComparison.Ordinal);
Assert.Contains(nameof(NotImplementedException), output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[Fact]
[WorkItem(3707, "https://github.com/dotnet/roslyn/issues/3707")]
public void AnalyzerExceptionDiagnosticCanBeConfigured()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class C {}");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/t:library", $"/warnaserror:{AnalyzerExecutor.AnalyzerExceptionDiagnosticId}", srcFile.Path },
analyzers: new[] { new AnalyzerThatThrowsInGetMessage() });
var exitCode = csc.Run(outWriter);
Assert.NotEqual(0, exitCode);
var output = outWriter.ToString();
// Verify that the analyzer exception diagnostic for the exception throw in AnalyzerThatThrowsInGetMessage is also reported.
Assert.Contains(AnalyzerExecutor.AnalyzerExceptionDiagnosticId, output, StringComparison.Ordinal);
Assert.Contains(nameof(NotImplementedException), output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[Fact]
[WorkItem(4589, "https://github.com/dotnet/roslyn/issues/4589")]
public void AnalyzerReportsMisformattedDiagnostic()
{
var srcFile = Temp.CreateFile().WriteAllText(@"class C {}");
var srcDirectory = Path.GetDirectoryName(srcFile.Path);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/t:library", srcFile.Path },
analyzers: new[] { new AnalyzerReportingMisformattedDiagnostic() });
var exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var output = outWriter.ToString();
// Verify that the diagnostic reported by AnalyzerReportingMisformattedDiagnostic is reported with the message format string, instead of the formatted message.
Assert.Contains(AnalyzerThatThrowsInGetMessage.Rule.Id, output, StringComparison.Ordinal);
Assert.Contains(AnalyzerThatThrowsInGetMessage.Rule.MessageFormat.ToString(CultureInfo.InvariantCulture), output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[Fact]
public void ErrorPathsFromLineDirectives()
{
string sampleProgram = @"
#line 10 "".."" //relative path
using System*
";
var syntaxTree = SyntaxFactory.ParseSyntaxTree(sampleProgram, path: "filename.cs");
var comp = CreateCSharpCompiler(null, WorkingDirectory, new string[] { });
var text = comp.DiagnosticFormatter.Format(syntaxTree.GetDiagnostics().First());
//Pull off the last segment of the current directory.
var expectedPath = Path.GetDirectoryName(WorkingDirectory);
//the end of the diagnostic's "file" portion should be signaled with the '(' of the line/col info.
Assert.Equal('(', text[expectedPath.Length]);
sampleProgram = @"
#line 10 "".>"" //invalid path character
using System*
";
syntaxTree = SyntaxFactory.ParseSyntaxTree(sampleProgram, path: "filename.cs");
text = comp.DiagnosticFormatter.Format(syntaxTree.GetDiagnostics().First());
Assert.True(text.StartsWith(".>", StringComparison.Ordinal));
sampleProgram = @"
#line 10 ""http://goo.bar/baz.aspx"" //URI
using System*
";
syntaxTree = SyntaxFactory.ParseSyntaxTree(sampleProgram, path: "filename.cs");
text = comp.DiagnosticFormatter.Format(syntaxTree.GetDiagnostics().First());
Assert.True(text.StartsWith("http://goo.bar/baz.aspx", StringComparison.Ordinal));
}
[WorkItem(1119609, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1119609")]
[Fact]
public void PreferredUILang()
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("CS2006", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang:" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("CS2006", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang:zz" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("CS2038", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang:en-zz" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("CS2038", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang:en-US" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.DoesNotContain("CS2038", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang:de" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.DoesNotContain("CS2038", outWriter.ToString(), StringComparison.Ordinal);
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/preferreduilang:de-AT" }).Run(outWriter);
Assert.Equal(1, exitCode);
Assert.DoesNotContain("CS2038", outWriter.ToString(), StringComparison.Ordinal);
}
[WorkItem(531263, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/531263")]
[Fact]
public void EmptyFileName()
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = CreateCSharpCompiler(null, WorkingDirectory, new[] { "" }).Run(outWriter);
Assert.NotEqual(0, exitCode);
// error CS2021: File name '' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long
Assert.Contains("CS2021", outWriter.ToString(), StringComparison.Ordinal);
}
[WorkItem(747219, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/747219")]
[Fact]
public void NoInfoDiagnostics()
{
string filePath = Temp.CreateFile().WriteAllText(@"
using System.Diagnostics; // Unused.
").Path;
var cmd = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/nologo", "/target:library", filePath });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString().Trim());
CleanupAllGeneratedFiles(filePath);
}
[Fact]
public void RuntimeMetadataVersion()
{
var parsedArgs = DefaultParse(new[] { "a.cs", "/runtimemetadataversion" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_SwitchNeedsString, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "a.cs", "/runtimemetadataversion:" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_SwitchNeedsString, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "a.cs", "/runtimemetadataversion: " }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.ERR_SwitchNeedsString, parsedArgs.Errors.First().Code);
parsedArgs = DefaultParse(new[] { "a.cs", "/runtimemetadataversion:v4.0.30319" }, WorkingDirectory);
Assert.Equal(0, parsedArgs.Errors.Length);
Assert.Equal("v4.0.30319", parsedArgs.EmitOptions.RuntimeMetadataVersion);
parsedArgs = DefaultParse(new[] { "a.cs", "/runtimemetadataversion:-_+@%#*^" }, WorkingDirectory);
Assert.Equal(0, parsedArgs.Errors.Length);
Assert.Equal("-_+@%#*^", parsedArgs.EmitOptions.RuntimeMetadataVersion);
var comp = CreateEmptyCompilation(string.Empty, parseOptions: TestOptions.Regular.WithNoRefSafetyRulesAttribute());
Assert.Equal("v4.0.30319", ModuleMetadata.CreateFromImage(comp.EmitToArray(new EmitOptions(runtimeMetadataVersion: "v4.0.30319"))).Module.MetadataVersion);
comp = CreateEmptyCompilation(string.Empty, parseOptions: TestOptions.Regular.WithNoRefSafetyRulesAttribute());
Assert.Equal("_+@%#*^", ModuleMetadata.CreateFromImage(comp.EmitToArray(new EmitOptions(runtimeMetadataVersion: "_+@%#*^"))).Module.MetadataVersion);
}
[WorkItem(715339, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/715339")]
[ConditionalFact(typeof(WindowsOnly))]
public void WRN_InvalidSearchPathDir()
{
var baseDir = Temp.CreateDirectory();
var sourceFile = baseDir.CreateFile("Source.cs");
var invalidPath = "::";
var nonExistentPath = "DoesNotExist";
// lib switch
DefaultParse(new[] { "/lib:" + invalidPath, sourceFile.Path }, WorkingDirectory).Errors.Verify(
// warning CS1668: Invalid search path '::' specified in '/LIB option' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments("::", "/LIB option", "path is too long or invalid"));
DefaultParse(new[] { "/lib:" + nonExistentPath, sourceFile.Path }, WorkingDirectory).Errors.Verify(
// warning CS1668: Invalid search path 'DoesNotExist' specified in '/LIB option' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments("DoesNotExist", "/LIB option", "directory does not exist"));
// LIB environment variable
DefaultParse(new[] { sourceFile.Path }, WorkingDirectory, additionalReferenceDirectories: invalidPath).Errors.Verify(
// warning CS1668: Invalid search path '::' specified in 'LIB environment variable' -- 'path is too long or invalid'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments("::", "LIB environment variable", "path is too long or invalid"));
DefaultParse(new[] { sourceFile.Path }, WorkingDirectory, additionalReferenceDirectories: nonExistentPath).Errors.Verify(
// warning CS1668: Invalid search path 'DoesNotExist' specified in 'LIB environment variable' -- 'directory does not exist'
Diagnostic(ErrorCode.WRN_InvalidSearchPathDir).WithArguments("DoesNotExist", "LIB environment variable", "directory does not exist"));
CleanupAllGeneratedFiles(sourceFile.Path);
}
[WorkItem(650083, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/650083")]
[InlineData("a.cs /t:library /appconfig:.\\aux.config")]
[InlineData("a.cs /out:com1.dll")]
[InlineData("a.cs /doc:..\\lpt2.xml")]
[InlineData("a.cs /pdb:..\\prn.pdb")]
[Theory]
public void ReservedDeviceNameAsFileName(string commandLine)
{
var parsedArgs = DefaultParse(commandLine.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries), WorkingDirectory);
if (ExecutionConditionUtil.OperatingSystemRestrictsFileNames)
{
Assert.Equal(1, parsedArgs.Errors.Length);
Assert.Equal((int)ErrorCode.FTL_InvalidInputFileName, parsedArgs.Errors.First().Code);
}
else
{
Assert.Equal(0, parsedArgs.Errors.Length);
}
}
[Fact]
public void ReservedDeviceNameAsFileName2()
{
string filePath = Temp.CreateFile().WriteAllText(@"class C {}").Path;
// make sure reserved device names don't
var cmd = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/r:com2.dll", "/target:library", "/preferreduilang:en", filePath });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS0006: Metadata file 'com2.dll' could not be found", outWriter.ToString(), StringComparison.Ordinal);
cmd = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/link:..\\lpt8.dll", "/target:library", "/preferreduilang:en", filePath });
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS0006: Metadata file '..\\lpt8.dll' could not be found", outWriter.ToString(), StringComparison.Ordinal);
cmd = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/lib:aux", "/preferreduilang:en", filePath });
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("warning CS1668: Invalid search path 'aux' specified in '/LIB option' -- 'directory does not exist'", outWriter.ToString(), StringComparison.Ordinal);
CleanupAllGeneratedFiles(filePath);
}
[Fact]
public void ParseFeatures()
{
var args = DefaultParse(new[] { "/features:Test", "a.vb" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal("Test", args.ParseOptions.Features.Single().Key);
args = DefaultParse(new[] { "/features:Test", "a.vb", "/Features:Experiment" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.ParseOptions.Features.Count);
Assert.True(args.ParseOptions.Features.ContainsKey("Test"));
Assert.True(args.ParseOptions.Features.ContainsKey("Experiment"));
args = DefaultParse(new[] { "/features:Test=false,Key=value", "a.vb" }, WorkingDirectory);
args.Errors.Verify();
Assert.True(args.ParseOptions.Features.SetEquals(new Dictionary<string, string> { { "Test", "false" }, { "Key", "value" } }));
args = DefaultParse(new[] { "/features:Test,", "a.vb" }, WorkingDirectory);
args.Errors.Verify();
Assert.True(args.ParseOptions.Features.SetEquals(new Dictionary<string, string> { { "Test", "true" } }));
}
[ConditionalFact(typeof(WindowsOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void ParseAdditionalFile()
{
var args = DefaultParse(new[] { "/additionalfile:web.config", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles.Single().Path);
args = DefaultParse(new[] { "/additionalfile:web.config", "a.cs", "/additionalfile:app.manifest" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles[0].Path);
Assert.Equal(Path.Combine(WorkingDirectory, "app.manifest"), args.AdditionalFiles[1].Path);
args = DefaultParse(new[] { "/additionalfile:web.config", "a.cs", "/additionalfile:web.config" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles[0].Path);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles[1].Path);
args = DefaultParse(new[] { "/additionalfile:..\\web.config", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "..\\web.config"), args.AdditionalFiles.Single().Path);
var baseDir = Temp.CreateDirectory();
baseDir.CreateFile("web1.config");
baseDir.CreateFile("web2.config");
baseDir.CreateFile("web3.config");
args = DefaultParse(new[] { "/additionalfile:web*.config", "a.cs" }, baseDir.Path);
args.Errors.Verify();
Assert.Equal(3, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(baseDir.Path, "web1.config"), args.AdditionalFiles[0].Path);
Assert.Equal(Path.Combine(baseDir.Path, "web2.config"), args.AdditionalFiles[1].Path);
Assert.Equal(Path.Combine(baseDir.Path, "web3.config"), args.AdditionalFiles[2].Path);
args = DefaultParse(new[] { "/additionalfile:web.config;app.manifest", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles[0].Path);
Assert.Equal(Path.Combine(WorkingDirectory, "app.manifest"), args.AdditionalFiles[1].Path);
args = DefaultParse(new[] { "/additionalfile:web.config,app.manifest", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles[0].Path);
Assert.Equal(Path.Combine(WorkingDirectory, "app.manifest"), args.AdditionalFiles[1].Path);
args = DefaultParse(new[] { "/additionalfile:web.config,app.manifest", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config"), args.AdditionalFiles[0].Path);
Assert.Equal(Path.Combine(WorkingDirectory, "app.manifest"), args.AdditionalFiles[1].Path);
args = DefaultParse(new[] { @"/additionalfile:""web.config,app.manifest""", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(1, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config,app.manifest"), args.AdditionalFiles[0].Path);
args = DefaultParse(new[] { "/additionalfile:web.config:app.manifest", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(1, args.AdditionalFiles.Length);
Assert.Equal(Path.Combine(WorkingDirectory, "web.config:app.manifest"), args.AdditionalFiles[0].Path);
args = DefaultParse(new[] { "/additionalfile", "a.cs" }, WorkingDirectory);
args.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<file list>", "additionalfile"));
Assert.Equal(0, args.AdditionalFiles.Length);
args = DefaultParse(new[] { "/additionalfile:", "a.cs" }, WorkingDirectory);
args.Errors.Verify(Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<file list>", "additionalfile"));
Assert.Equal(0, args.AdditionalFiles.Length);
}
[Fact]
public void ParseEditorConfig()
{
var args = DefaultParse(new[] { "/analyzerconfig:.editorconfig", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, ".editorconfig"), args.AnalyzerConfigPaths.Single());
args = DefaultParse(new[] { "/analyzerconfig:.editorconfig", "a.cs", "/analyzerconfig:subdir\\.editorconfig" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AnalyzerConfigPaths.Length);
Assert.Equal(Path.Combine(WorkingDirectory, ".editorconfig"), args.AnalyzerConfigPaths[0]);
Assert.Equal(Path.Combine(WorkingDirectory, "subdir\\.editorconfig"), args.AnalyzerConfigPaths[1]);
args = DefaultParse(new[] { "/analyzerconfig:.editorconfig", "a.cs", "/analyzerconfig:.editorconfig" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AnalyzerConfigPaths.Length);
Assert.Equal(Path.Combine(WorkingDirectory, ".editorconfig"), args.AnalyzerConfigPaths[0]);
Assert.Equal(Path.Combine(WorkingDirectory, ".editorconfig"), args.AnalyzerConfigPaths[1]);
args = DefaultParse(new[] { "/analyzerconfig:..\\.editorconfig", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(Path.Combine(WorkingDirectory, "..\\.editorconfig"), args.AnalyzerConfigPaths.Single());
args = DefaultParse(new[] { "/analyzerconfig:.editorconfig;subdir\\.editorconfig", "a.cs" }, WorkingDirectory);
args.Errors.Verify();
Assert.Equal(2, args.AnalyzerConfigPaths.Length);
Assert.Equal(Path.Combine(WorkingDirectory, ".editorconfig"), args.AnalyzerConfigPaths[0]);
Assert.Equal(Path.Combine(WorkingDirectory, "subdir\\.editorconfig"), args.AnalyzerConfigPaths[1]);
args = DefaultParse(new[] { "/analyzerconfig", "a.cs" }, WorkingDirectory);
args.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<file list>' for 'analyzerconfig' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<file list>", "analyzerconfig").WithLocation(1, 1));
Assert.Equal(0, args.AnalyzerConfigPaths.Length);
args = DefaultParse(new[] { "/analyzerconfig:", "a.cs" }, WorkingDirectory);
args.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<file list>' for 'analyzerconfig' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<file list>", "analyzerconfig").WithLocation(1, 1));
Assert.Equal(0, args.AnalyzerConfigPaths.Length);
}
[Fact]
public void NullablePublicOnly()
{
string source =
@"namespace System.Runtime.CompilerServices
{
public sealed class NullableAttribute : Attribute { } // missing constructor
}
public class Program
{
private object? F = null;
}";
string errorMessage = "error CS0656: Missing compiler required member 'System.Runtime.CompilerServices.NullableAttribute..ctor'";
string filePath = Temp.CreateFile().WriteAllText(source).Path;
int exitCode;
string output;
// No /feature
(exitCode, output) = compileAndRun(featureOpt: null);
Assert.Equal(1, exitCode);
Assert.Contains(errorMessage, output, StringComparison.Ordinal);
// /features:nullablePublicOnly
(exitCode, output) = compileAndRun("/features:nullablePublicOnly");
Assert.Equal(0, exitCode);
Assert.DoesNotContain(errorMessage, output, StringComparison.Ordinal);
// /features:nullablePublicOnly=true
(exitCode, output) = compileAndRun("/features:nullablePublicOnly=true");
Assert.Equal(0, exitCode);
Assert.DoesNotContain(errorMessage, output, StringComparison.Ordinal);
// /features:nullablePublicOnly=false (the value is ignored)
(exitCode, output) = compileAndRun("/features:nullablePublicOnly=false");
Assert.Equal(0, exitCode);
Assert.DoesNotContain(errorMessage, output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(filePath);
(int, string) compileAndRun(string featureOpt)
{
var args = new[] { "/target:library", "/preferreduilang:en", "/langversion:8", "/nullable+", filePath };
if (featureOpt != null) args = args.Concat(featureOpt).ToArray();
var compiler = CreateCSharpCompiler(null, WorkingDirectory, args);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = compiler.Run(outWriter);
return (exitCode, outWriter.ToString());
};
}
// See also NullableContextTests.NullableAnalysisFlags_01().
[Fact]
public void NullableAnalysisFlags()
{
string source =
@"class Program
{
#nullable enable
static object F1() => null;
#nullable disable
static object F2() => null;
}";
string filePath = Temp.CreateFile().WriteAllText(source).Path;
string fileName = Path.GetFileName(filePath);
string[] expectedWarningsAll = new[] { fileName + "(4,27): warning CS8603: Possible null reference return." };
string[] expectedWarningsNone = Array.Empty<string>();
AssertEx.Equal(expectedWarningsAll, compileAndRun(featureOpt: null));
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis"));
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis=always"));
AssertEx.Equal(expectedWarningsNone, compileAndRun("/features:run-nullable-analysis=never"));
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis=ALWAYS")); // unrecognized value (incorrect case) ignored
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis=NEVER")); // unrecognized value (incorrect case) ignored
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis=true")); // unrecognized value ignored
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis=false")); // unrecognized value ignored
AssertEx.Equal(expectedWarningsAll, compileAndRun("/features:run-nullable-analysis=unknown")); // unrecognized value ignored
CleanupAllGeneratedFiles(filePath);
string[] compileAndRun(string featureOpt)
{
var args = new[] { "/target:library", "/preferreduilang:en", "/nologo", filePath };
if (featureOpt != null) args = args.Concat(featureOpt).ToArray();
var compiler = CreateCSharpCompiler(null, WorkingDirectory, args);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
int exitCode = compiler.Run(outWriter);
return outWriter.ToString().Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
};
}
[Fact]
public void Compiler_Uses_DriverCache()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
int sourceCallbackCount = 0;
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount++;
});
});
// with no cache, we'll see the callback execute multiple times
RunWithNoCache();
Assert.Equal(1, sourceCallbackCount);
RunWithNoCache();
Assert.Equal(2, sourceCallbackCount);
RunWithNoCache();
Assert.Equal(3, sourceCallbackCount);
// now re-run with a cache
GeneratorDriverCache cache = new GeneratorDriverCache();
sourceCallbackCount = 0;
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
void RunWithNoCache() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview" }, generators: new[] { generator.AsSourceGenerator() }, analyzers: null);
void RunWithCache() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache" }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact]
public void Compiler_Doesnt_Use_Cache_From_Other_Compilation()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
int sourceCallbackCount = 0;
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount++;
});
});
// now re-run with a cache
GeneratorDriverCache cache = new GeneratorDriverCache();
sourceCallbackCount = 0;
RunWithCache("1.dll");
Assert.Equal(1, sourceCallbackCount);
RunWithCache("1.dll");
Assert.Equal(1, sourceCallbackCount);
// now emulate a new compilation, and check we were invoked, but only once
RunWithCache("2.dll");
Assert.Equal(2, sourceCallbackCount);
RunWithCache("2.dll");
Assert.Equal(2, sourceCallbackCount);
// now re-run our first compilation
RunWithCache("1.dll");
Assert.Equal(2, sourceCallbackCount);
// a new one
RunWithCache("3.dll");
Assert.Equal(3, sourceCallbackCount);
// and another old one
RunWithCache("2.dll");
Assert.Equal(3, sourceCallbackCount);
RunWithCache("1.dll");
Assert.Equal(3, sourceCallbackCount);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
void RunWithCache(string outputPath) => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/out:" + outputPath, "/features:enable-generator-cache" }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact]
public void Compiler_Can_Enable_DriverCache()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
int sourceCallbackCount = 0;
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount++;
});
});
// run with the cache
GeneratorDriverCache cache = new GeneratorDriverCache();
sourceCallbackCount = 0;
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
// now re-run with the cache disabled
sourceCallbackCount = 0;
RunWithCacheDisabled();
Assert.Equal(1, sourceCallbackCount);
RunWithCacheDisabled();
Assert.Equal(2, sourceCallbackCount);
RunWithCacheDisabled();
Assert.Equal(3, sourceCallbackCount);
// now clear the cache as well as disabling, and verify we don't put any entries into it either
cache = new GeneratorDriverCache();
sourceCallbackCount = 0;
RunWithCacheDisabled();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(0, cache.CacheSize);
RunWithCacheDisabled();
Assert.Equal(2, sourceCallbackCount);
Assert.Equal(0, cache.CacheSize);
RunWithCacheDisabled();
Assert.Equal(3, sourceCallbackCount);
Assert.Equal(0, cache.CacheSize);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
void RunWithCache() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache" }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
void RunWithCacheDisabled() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview" }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact]
public void Adding_Or_Removing_A_Generator_Invalidates_Cache()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
int sourceCallbackCount = 0;
int sourceCallbackCount2 = 0;
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount++;
});
});
var generator2 = new PipelineCallbackGenerator2((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount2++;
});
});
// run with the cache
GeneratorDriverCache cache = new GeneratorDriverCache();
RunWithOneGenerator();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(0, sourceCallbackCount2);
RunWithOneGenerator();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(0, sourceCallbackCount2);
RunWithTwoGenerators();
Assert.Equal(2, sourceCallbackCount);
Assert.Equal(1, sourceCallbackCount2);
RunWithTwoGenerators();
Assert.Equal(2, sourceCallbackCount);
Assert.Equal(1, sourceCallbackCount2);
// this seems counterintuitive, but when the only thing to change is the generator, we end up back at the state of the project when
// we just ran a single generator. Thus we already have an entry in the cache we can use (the one created by the original call to
// RunWithOneGenerator above) meaning we can use the previously cached results and not run.
RunWithOneGenerator();
Assert.Equal(2, sourceCallbackCount);
Assert.Equal(1, sourceCallbackCount2);
void RunWithOneGenerator() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache" }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
void RunWithTwoGenerators() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache" }, generators: new[] { generator.AsSourceGenerator(), generator2.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact(Skip = "Additional file comparison is disabled due to https://github.com/dotnet/roslyn/issues/59209")]
public void Compiler_Updates_Cached_Driver_AdditionalTexts()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("class C { }");
var additionalFile = dir.CreateFile("additionalFile.txt").WriteAllText("some text");
int sourceCallbackCount = 0;
int additionalFileCallbackCount = 0;
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount++;
});
ctx.RegisterSourceOutput(ctx.AdditionalTextsProvider, (spc, po) =>
{
additionalFileCallbackCount++;
});
});
GeneratorDriverCache cache = new GeneratorDriverCache();
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(1, additionalFileCallbackCount);
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(1, additionalFileCallbackCount);
additionalFile.WriteAllText("some new content");
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(2, additionalFileCallbackCount); // additional file was updated
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
void RunWithCache() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache", "/additionalFile:" + additionalFile.Path }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact]
public void Compiler_DoesNotCache_Driver_ConfigProvider()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("class C { }");
var editorconfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[temp.cs]
a = localA
");
var globalconfig = dir.CreateFile(".globalconfig").WriteAllText(@"
is_global = true
a = globalA");
int sourceCallbackCount = 0;
int configOptionsCallbackCount = 0;
int filteredGlobalCallbackCount = 0;
int filteredLocalCallbackCount = 0;
string globalA = "";
string localA = "";
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.ParseOptionsProvider, (spc, po) =>
{
sourceCallbackCount++;
});
ctx.RegisterSourceOutput(ctx.AnalyzerConfigOptionsProvider, (spc, po) =>
{
configOptionsCallbackCount++;
po.GlobalOptions.TryGetValue("a", out globalA);
});
ctx.RegisterSourceOutput(ctx.AnalyzerConfigOptionsProvider.Select((p, _) => { p.GlobalOptions.TryGetValue("a", out var value); return value; }), (spc, value) =>
{
filteredGlobalCallbackCount++;
globalA = value;
});
var syntaxTreeInput = ctx.CompilationProvider.Select((c, _) => c.SyntaxTrees.First());
ctx.RegisterSourceOutput(ctx.AnalyzerConfigOptionsProvider.Combine(syntaxTreeInput).Select((p, _) => { p.Left.GetOptions(p.Right).TryGetValue("a", out var value); return value; }), (spc, value) =>
{
filteredLocalCallbackCount++;
localA = value;
});
});
GeneratorDriverCache cache = new GeneratorDriverCache();
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(1, configOptionsCallbackCount);
Assert.Equal(1, filteredGlobalCallbackCount);
Assert.Equal(1, filteredLocalCallbackCount);
Assert.Equal("globalA", globalA);
Assert.Equal("localA", localA);
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(2, configOptionsCallbackCount); // we can't compare the provider directly, so we consider it modified
Assert.Equal(1, filteredGlobalCallbackCount); // however, the values in it will cache out correctly.
Assert.Equal(1, filteredLocalCallbackCount);
editorconfig.WriteAllText(@"
[temp.cs]
a = diffLocalA
");
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(3, configOptionsCallbackCount);
Assert.Equal(1, filteredGlobalCallbackCount); // the provider changed, but only the local value changed
Assert.Equal(2, filteredLocalCallbackCount);
Assert.Equal("globalA", globalA);
Assert.Equal("diffLocalA", localA);
globalconfig.WriteAllText(@"
is_global = true
a = diffGlobalA
");
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
Assert.Equal(4, configOptionsCallbackCount);
Assert.Equal(2, filteredGlobalCallbackCount); // only the global value was changed
Assert.Equal(2, filteredLocalCallbackCount);
Assert.Equal("diffGlobalA", globalA);
Assert.Equal("diffLocalA", localA);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
void RunWithCache() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache", "/analyzerConfig:" + editorconfig.Path, "/analyzerConfig:" + globalconfig.Path }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact]
public void Compiler_DoesNotCache_Compilation()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
int sourceCallbackCount = 0;
var generator = new PipelineCallbackGenerator((ctx) =>
{
ctx.RegisterSourceOutput(ctx.CompilationProvider, (spc, po) =>
{
sourceCallbackCount++;
});
});
// now re-run with a cache
GeneratorDriverCache cache = new GeneratorDriverCache();
RunWithCache();
Assert.Equal(1, sourceCallbackCount);
RunWithCache();
Assert.Equal(2, sourceCallbackCount);
RunWithCache();
Assert.Equal(3, sourceCallbackCount);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
void RunWithCache() => VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/features:enable-generator-cache" }, generators: new[] { generator.AsSourceGenerator() }, driverCache: cache, analyzers: null);
}
[Fact]
public void Compiler_DoesNot_RunHostOutputs()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
bool hostOutputRan = false;
bool sourceOutputRan = false;
var generator = new PipelineCallbackGenerator((ctx) =>
{
#pragma warning disable RSEXPERIMENTAL004 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
ctx.RegisterHostOutput(ctx.CompilationProvider, (hostCtx, value) =>
{
hostOutputRan = true;
hostCtx.AddOutput("output", "value");
});
#pragma warning restore RSEXPERIMENTAL004 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
ctx.RegisterSourceOutput(ctx.CompilationProvider, (spc, po) =>
{
sourceOutputRan = true;
spc.AddSource("output.cs", "//value");
});
});
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview" }, generators: new[] { generator.AsSourceGenerator() }, analyzers: null);
Assert.False(hostOutputRan);
Assert.True(sourceOutputRan);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
private static int OccurrenceCount(string source, string word)
{
var n = 0;
var index = source.IndexOf(word, StringComparison.Ordinal);
while (index >= 0)
{
++n;
index = source.IndexOf(word, index + word.Length, StringComparison.Ordinal);
}
return n;
}
private string VerifyOutput(TempDirectory sourceDir, TempFile sourceFile,
bool includeCurrentAssemblyAsAnalyzerReference = true,
string[] additionalFlags = null,
int expectedInfoCount = 0,
int expectedWarningCount = 0,
int expectedErrorCount = 0,
int? expectedExitCode = null,
bool errorlog = false,
bool skipAnalyzers = false,
DiagnosticAnalyzer[] analyzers = null,
ISourceGenerator[] generators = null,
GeneratorDriverCache driverCache = null)
{
var args = new[] {
"/nologo", "/preferreduilang:en", "/t:library",
sourceFile.Path
};
if (includeCurrentAssemblyAsAnalyzerReference)
{
args = args.Append("/a:" + Assembly.GetExecutingAssembly().Location);
}
if (errorlog)
{
args = args.Append("/errorlog:errorlog");
}
if (skipAnalyzers)
{
args = args.Append("/skipAnalyzers");
}
if (additionalFlags != null)
{
args = args.Append(additionalFlags);
}
var csc = CreateCSharpCompiler(null, sourceDir.Path, args, analyzers: analyzers, generators: generators, driverCache: driverCache);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = csc.Run(outWriter);
var output = outWriter.ToString();
expectedExitCode ??= expectedErrorCount > 0 ? 1 : 0;
Assert.True(
expectedExitCode == exitCode,
string.Format("Expected exit code to be '{0}' was '{1}'.{2} Output:{3}{4}",
expectedExitCode, exitCode, Environment.NewLine, Environment.NewLine, output));
Assert.DoesNotContain("hidden", output, StringComparison.Ordinal);
if (expectedInfoCount == 0)
{
Assert.DoesNotContain("info", output, StringComparison.Ordinal);
}
else
{
// Info diagnostics are only logged with /errorlog.
Assert.True(errorlog);
Assert.Equal(expectedInfoCount, OccurrenceCount(output, "info"));
}
if (expectedWarningCount == 0)
{
Assert.DoesNotContain("warning", output, StringComparison.Ordinal);
}
else
{
Assert.Equal(expectedWarningCount, OccurrenceCount(output, "warning"));
}
if (expectedErrorCount == 0)
{
Assert.DoesNotContain("error", output, StringComparison.Ordinal);
}
else
{
Assert.Equal(expectedErrorCount, OccurrenceCount(output, "error"));
}
return output;
}
[WorkItem(899050, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/899050")]
[Fact]
public void NoWarnAndWarnAsError_AnalyzerDriverWarnings()
{
// This assembly has an abstract MockAbstractDiagnosticAnalyzer type which should cause
// compiler warning CS8032 to be produced when compilations created in this test try to load it.
string source = @"using System;";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var output = VerifyOutput(dir, file, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that compiler warning CS8032 can be suppressed via /warn:0.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that compiler warning CS8032 can be individually suppressed via /nowarn:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:CS8032" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that compiler warning CS8032 can be promoted to an error via /warnaserror.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that compiler warning CS8032 can be individually promoted to an error via /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:8032" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(899050, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/899050")]
[WorkItem(981677, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/981677")]
[WorkItem(1021115, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1021115")]
[Fact]
public void NoWarnAndWarnAsError_HiddenDiagnostic()
{
// This assembly has a HiddenDiagnosticAnalyzer type which should produce custom hidden
// diagnostics for #region directives present in the compilations created in this test.
var source = @"using System;
#region Region
#endregion";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var output = VerifyOutput(dir, file, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /warn:0 has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that /nowarn: has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /warnaserror+ has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+", "/nowarn:8032" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that /warnaserror- has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /warnaserror: promotes custom hidden diagnostic Hidden01 to an error.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Hidden01" }, expectedWarningCount: 1, expectedErrorCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Hidden01: Throwing a diagnostic for #region", output, StringComparison.Ordinal);
// TEST: Verify that /warnaserror-: has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn: overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Hidden01", "/nowarn:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn: overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Hidden01", "/warnaserror:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn: overrides /warnaserror-:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Hidden01", "/nowarn:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn: overrides /warnaserror-:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Hidden01", "/warnaserror-:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /warn:0 has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0", "/warnaserror:Hidden01" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that /warn:0 has no impact on custom hidden diagnostic Hidden01.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Hidden01", "/warn:0" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that last /warnaserror[+/-]: flag on command line wins.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+:Hidden01", "/warnaserror-:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last /warnaserror[+/-]: flag on command line wins.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Hidden01", "/warnaserror+:Hidden01" }, expectedWarningCount: 1, expectedErrorCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Hidden01: Throwing a diagnostic for #region", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/warnaserror+:Hidden01" }, expectedWarningCount: 1, expectedErrorCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Hidden01: Throwing a diagnostic for #region", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Hidden01", "/warnaserror+" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+", "/warnaserror+:Hidden01", "/nowarn:8032" }, expectedErrorCount: 1);
Assert.Contains("a.cs(2,1): error Hidden01: Throwing a diagnostic for #region", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+:Hidden01", "/warnaserror+", "/nowarn:8032" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+:Hidden01", "/warnaserror-" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+", "/warnaserror-:Hidden01", "/nowarn:8032" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Hidden01", "/warnaserror-" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/warnaserror-:Hidden01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(899050, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/899050")]
[WorkItem(981677, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/981677")]
[WorkItem(1021115, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1021115")]
[WorkItem(42166, "https://github.com/dotnet/roslyn/issues/42166")]
[CombinatorialData, Theory]
public void NoWarnAndWarnAsError_InfoDiagnostic(bool errorlog)
{
// NOTE: Info diagnostics are only logged on command line when /errorlog is specified. See https://github.com/dotnet/roslyn/issues/42166 for details.
// This assembly has an InfoDiagnosticAnalyzer type which should produce custom info
// diagnostics for the #pragma warning restore directives present in the compilations created in this test.
var source = @"using System;
#pragma warning restore";
var name = "a.cs";
string output;
output = GetOutput(name, source, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that /warn:0 suppresses custom info diagnostic Info01.
output = GetOutput(name, source, additionalFlags: new[] { "/warn:0" }, errorlog: errorlog);
// TEST: Verify that custom info diagnostic Info01 can be individually suppressed via /nowarn:.
output = GetOutput(name, source, additionalFlags: new[] { "/nowarn:Info01" }, expectedWarningCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that custom info diagnostic Info01 can never be promoted to an error via /warnaserror+.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror+", "/nowarn:8032" }, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that custom info diagnostic Info01 is still reported as an info when /warnaserror- is used.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-" }, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that custom info diagnostic Info01 can be individually promoted to an error via /warnaserror:.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror:Info01" }, expectedWarningCount: 1, expectedErrorCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that custom info diagnostic Info01 is still reported as an info when passed to /warnaserror-:.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-:Info01" }, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify /nowarn overrides /warnaserror.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror:Info01", "/nowarn:Info01" }, expectedWarningCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn overrides /warnaserror.
output = GetOutput(name, source, additionalFlags: new[] { "/nowarn:Info01", "/warnaserror:Info01" }, expectedWarningCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn overrides /warnaserror-.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-:Info01", "/nowarn:Info01" }, expectedWarningCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify /nowarn overrides /warnaserror-.
output = GetOutput(name, source, additionalFlags: new[] { "/nowarn:Info01", "/warnaserror-:Info01" }, expectedWarningCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /warn:0 has no impact on custom info diagnostic Info01.
output = GetOutput(name, source, additionalFlags: new[] { "/warn:0", "/warnaserror:Info01" }, errorlog: errorlog);
// TEST: Verify that /warn:0 has no impact on custom info diagnostic Info01.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror:Info01", "/warn:0" });
// TEST: Verify that last /warnaserror[+/-]: flag on command line wins.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror+:Info01", "/warnaserror-:Info01" }, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last /warnaserror[+/-]: flag on command line wins.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-:Info01", "/warnaserror+:Info01" }, expectedWarningCount: 1, expectedErrorCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-", "/warnaserror+:Info01" }, expectedWarningCount: 1, expectedErrorCount: 1, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-:Info01", "/warnaserror+", "/nowarn:8032" }, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror+:Info01", "/warnaserror+", "/nowarn:8032" }, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror+", "/warnaserror+:Info01", "/nowarn:8032" }, expectedErrorCount: 1, errorlog: errorlog);
Assert.Contains("a.cs(2,1): error Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror+:Info01", "/warnaserror-" }, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror+", "/warnaserror-:Info01", "/nowarn:8032" }, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-:Info01", "/warnaserror-" }, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = GetOutput(name, source, additionalFlags: new[] { "/warnaserror-", "/warnaserror-:Info01" }, expectedWarningCount: 1, expectedInfoCount: errorlog ? 1 : 0, errorlog: errorlog);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
if (errorlog)
Assert.Contains("a.cs(2,1): info Info01: Throwing a diagnostic for #pragma restore", output, StringComparison.Ordinal);
}
private string GetOutput(
string name,
string source,
bool includeCurrentAssemblyAsAnalyzerReference = true,
string[] additionalFlags = null,
int expectedInfoCount = 0,
int expectedWarningCount = 0,
int expectedErrorCount = 0,
bool errorlog = false)
{
var dir = Temp.CreateDirectory();
var file = dir.CreateFile(name);
file.WriteAllText(source);
var output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference, additionalFlags, expectedInfoCount, expectedWarningCount, expectedErrorCount, null, errorlog);
CleanupAllGeneratedFiles(file.Path);
return output;
}
[WorkItem(11368, "https://github.com/dotnet/roslyn/issues/11368")]
[WorkItem(899050, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/899050")]
[WorkItem(981677, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/981677")]
[WorkItem(998069, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/998069")]
[WorkItem(998724, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/998724")]
[WorkItem(1021115, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1021115")]
[Fact]
public void NoWarnAndWarnAsError_WarningDiagnostic()
{
// This assembly has a WarningDiagnosticAnalyzer type which should produce custom warning
// diagnostics for source types present in the compilations created in this test.
string source = @"
class C
{
static void Main()
{
int i;
}
}
";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var output = VerifyOutput(dir, file, expectedWarningCount: 3);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
// TEST: Verify that compiler warning CS0168 as well as custom warning diagnostic Warning01 can be suppressed via /warn:0.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0" });
Assert.True(string.IsNullOrEmpty(output));
// TEST: Verify that compiler warning CS0168 as well as custom warning diagnostic Warning01 can be individually suppressed via /nowarn:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:0168,Warning01,58000" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that diagnostic ids are processed in case-sensitive fashion inside /nowarn:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:cs0168,warning01,700000" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that compiler warning CS0168 as well as custom warning diagnostic Warning01 can be promoted to errors via /warnaserror.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror", "/nowarn:8032" }, expectedErrorCount: 2);
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): error CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
// TEST: Verify that compiler warning CS0168 as well as custom warning diagnostic Warning01 can be promoted to errors via /warnaserror+.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+", "/nowarn:8032" }, expectedErrorCount: 2);
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): error CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
// TEST: Verify that /warnaserror- keeps compiler warning CS0168 as well as custom warning diagnostic Warning01 as warnings.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that custom warning diagnostic Warning01 can be individually promoted to an error via /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Something,Warning01" }, expectedWarningCount: 2, expectedErrorCount: 1);
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that compiler warning CS0168 can be individually promoted to an error via /warnaserror+:.
// This doesn't work correctly currently - promoting compiler warning CS0168 to an error causes us to no longer report any custom warning diagnostics as errors (Bug 998069).
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+:CS0168" }, expectedWarningCount: 2, expectedErrorCount: 1);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): error CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that diagnostic ids are processed in case-sensitive fashion inside /warnaserror.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:cs0168,warning01,58000" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that custom warning diagnostic Warning01 as well as compiler warning CS0168 can be promoted to errors via /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:CS0168,Warning01" }, expectedWarningCount: 1, expectedErrorCount: 2);
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): error CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /warn:0 overrides /warnaserror+.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0", "/warnaserror+" });
// TEST: Verify that /warn:0 overrides /warnaserror.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror", "/warn:0" });
// TEST: Verify that /warn:0 overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/warn:0" });
// TEST: Verify that /warn:0 overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0", "/warnaserror-" });
// TEST: Verify that /nowarn: overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Something,CS0168,Warning01", "/nowarn:0168,Warning01,58000" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:0168,Warning01,58000", "/warnaserror:Something,CS0168,Warning01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror-:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Something,CS0168,Warning01", "/nowarn:0168,Warning01,58000" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror-:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:0168,Warning01,58000", "/warnaserror-:Something,CS0168,Warning01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror+.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+", "/nowarn:0168,Warning01,58000,8032" });
// TEST: Verify that /nowarn: overrides /warnaserror+.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:0168,Warning01,58000,8032", "/warnaserror+" });
// TEST: Verify that /nowarn: overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/nowarn:0168,Warning01,58000,8032" });
// TEST: Verify that /nowarn: overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:0168,Warning01,58000,8032", "/warnaserror-" });
// TEST: Verify that /warn:0 overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Something,CS0168,Warning01", "/warn:0" });
// TEST: Verify that /warn:0 overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0", "/warnaserror:Something,CS0168,Warning01" });
// TEST: Verify that last /warnaserror[+/-] flag on command line wins.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/warnaserror+" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last /warnaserror[+/-] flag on command line wins.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror", "/warnaserror-" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last /warnaserror[+/-]: flag on command line wins.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Warning01", "/warnaserror+:Warning01" }, expectedWarningCount: 2, expectedErrorCount: 1);
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last /warnaserror[+/-]: flag on command line wins.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+:Warning01", "/warnaserror-:Warning01" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Warning01,CS0168,58000,8032", "/warnaserror+" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror", "/warnaserror-:Warning01,CS0168,58000,8032" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Warning01,58000,8032", "/warnaserror-" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/warnaserror+:Warning01" }, expectedWarningCount: 2, expectedErrorCount: 1);
Assert.Contains("a.cs(2,7): error Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Warning01,CS0168,58000", "/warnaserror+" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror", "/warnaserror+:Warning01,CS0168,58000" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-]: and /warnaserror[+/-].
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Warning01,58000,8032", "/warnaserror-" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that last one wins between /warnaserror[+/-] and /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/warnaserror-:Warning01,58000,8032" }, expectedWarningCount: 3);
Assert.Contains("a.cs(2,7): warning Warning01: Throwing a diagnostic for types declared", output, StringComparison.Ordinal);
Assert.Contains("a.cs(6,13): warning CS0168: The variable 'i' is declared but never used", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(899050, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/899050")]
[WorkItem(981677, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/981677")]
[Fact]
public void NoWarnAndWarnAsError_ErrorDiagnostic()
{
// This assembly has an ErrorDiagnosticAnalyzer type which should produce custom error
// diagnostics for #pragma warning disable directives present in the compilations created in this test.
string source = @"using System;
#pragma warning disable";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var output = VerifyOutput(dir, file, expectedErrorCount: 1, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Error01: Throwing a diagnostic for #pragma disable", output, StringComparison.Ordinal);
// TEST: Verify that custom error diagnostic Error01 can't be suppressed via /warn:0.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warn:0" }, expectedErrorCount: 1);
Assert.Contains("a.cs(2,1): error Error01: Throwing a diagnostic for #pragma disable", output, StringComparison.Ordinal);
// TEST: Verify that custom error diagnostic Error01 can be suppressed via /nowarn:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Error01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror+.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+", "/nowarn:Error01" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Error01", "/warnaserror" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror+:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Error01", "/warnaserror+:Error01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Error01", "/nowarn:Error01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-", "/nowarn:Error01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Error01", "/warnaserror-" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Error01", "/nowarn:Error01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that /nowarn: overrides /warnaserror-.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/nowarn:Error01", "/warnaserror-:Error01" }, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
// TEST: Verify that nothing bad happens when using /warnaserror[+/-] when custom error diagnostic Error01 is present.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+" }, expectedErrorCount: 1);
Assert.Contains("error CS8032", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-" }, expectedErrorCount: 1, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Error01: Throwing a diagnostic for #pragma disable", output, StringComparison.Ordinal);
// TEST: Verify that nothing bad happens if someone passes custom error diagnostic Error01 to /warnaserror[+/-]:.
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror:Error01" }, expectedErrorCount: 1, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Error01: Throwing a diagnostic for #pragma disable", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror+:Error01" }, expectedErrorCount: 1, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Error01: Throwing a diagnostic for #pragma disable", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, additionalFlags: new[] { "/warnaserror-:Error01" }, expectedErrorCount: 1, expectedWarningCount: 1);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
Assert.Contains("a.cs(2,1): error Error01: Throwing a diagnostic for #pragma disable", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[Fact]
[WorkItem(11497, "https://github.com/dotnet/roslyn/issues/11497")]
public void ConsistentErrorMessageWhenProvidingNoKeyFile()
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/keyfile:", "/target:library", "/nologo", "/preferreduilang:en", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2005: Missing file specification for 'keyfile' option", outWriter.ToString().Trim());
}
[Fact]
[WorkItem(11497, "https://github.com/dotnet/roslyn/issues/11497")]
public void ConsistentErrorMessageWhenProvidingEmptyKeyFile()
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/keyfile:\"\"", "/target:library", "/nologo", "/preferreduilang:en", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2005: Missing file specification for 'keyfile' option", outWriter.ToString().Trim());
}
[Fact]
[WorkItem(11497, "https://github.com/dotnet/roslyn/issues/11497")]
public void ConsistentErrorMessageWhenProvidingNoKeyFile_PublicSign()
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/keyfile:", "/publicsign", "/target:library", "/nologo", "/preferreduilang:en", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2005: Missing file specification for 'keyfile' option", outWriter.ToString().Trim());
}
[Fact]
[WorkItem(11497, "https://github.com/dotnet/roslyn/issues/11497")]
public void ConsistentErrorMessageWhenProvidingEmptyKeyFile_PublicSign()
{
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, WorkingDirectory, new[] { "/keyfile:\"\"", "/publicsign", "/target:library", "/nologo", "/preferreduilang:en", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Equal("error CS2005: Missing file specification for 'keyfile' option", outWriter.ToString().Trim());
}
[WorkItem(981677, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/981677")]
[Fact]
public void NoWarnAndWarnAsError_CompilerErrorDiagnostic()
{
string source = @"using System;
class C
{
static void Main()
{
int i = new Exception();
}
}";
var dir = Temp.CreateDirectory();
var file = dir.CreateFile("a.cs");
file.WriteAllText(source);
var output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
// TEST: Verify that compiler error CS0029 can't be suppressed via /warn:0.
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warn:0" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
// TEST: Verify that compiler error CS0029 can't be suppressed via /nowarn:.
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/nowarn:29" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/nowarn:CS0029" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
// TEST: Verify that nothing bad happens when using /warnaserror[+/-] when compiler error CS0029 is present.
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror+" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror-" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
// TEST: Verify that nothing bad happens if someone passes compiler error CS0029 to /warnaserror[+/-]:.
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror:0029" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror+:CS0029" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror-:29" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
output = VerifyOutput(dir, file, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/warnaserror-:CS0029" }, expectedErrorCount: 1);
Assert.Contains("a.cs(6,17): error CS0029: Cannot implicitly convert type 'System.Exception' to 'int'", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(file.Path);
}
[WorkItem(1021115, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1021115")]
[Fact]
public void WarnAsError_LastOneWins1()
{
var arguments = DefaultParse(new[] { "/warnaserror-:3001", "/warnaserror" }, null);
var options = arguments.CompilationOptions;
var comp = CreateCompilation(@"[assembly: System.CLSCompliant(true)]
public class C
{
public void M(ushort i)
{
}
public static void Main(string[] args) {}
}", options: options);
comp.VerifyDiagnostics(
// (4,26): warning CS3001: Argument type 'ushort' is not CLS-compliant
// public void M(ushort i)
Diagnostic(ErrorCode.WRN_CLS_BadArgType, "i")
.WithArguments("ushort")
.WithLocation(4, 26)
.WithWarningAsError(true));
}
[WorkItem(1021115, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1021115")]
[Fact]
public void WarnAsError_LastOneWins2()
{
var arguments = DefaultParse(new[] { "/warnaserror", "/warnaserror-:3001" }, null);
var options = arguments.CompilationOptions;
var comp = CreateCompilation(@"[assembly: System.CLSCompliant(true)]
public class C
{
public void M(ushort i)
{
}
public static void Main(string[] args) {}
}", options: options);
comp.VerifyDiagnostics(
// (4,26): warning CS3001: Argument type 'ushort' is not CLS-compliant
// public void M(ushort i)
Diagnostic(ErrorCode.WRN_CLS_BadArgType, "i")
.WithArguments("ushort")
.WithLocation(4, 26)
.WithWarningAsError(false));
}
[WorkItem(1091972, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1091972")]
[WorkItem(444, "CodePlex")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void Bug1091972()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(
@"
/// <summary>ABC...XYZ</summary>
class C {
static void Main()
{
var textStreamReader = new System.IO.StreamReader(typeof(C).Assembly.GetManifestResourceStream(""doc.xml""));
System.Console.WriteLine(textStreamReader.ReadToEnd());
}
} ");
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, String.Format("/nologo /doc:doc.xml /out:out.exe /resource:doc.xml \"{0}\"", src.ToString()), startFolder: dir.ToString());
Assert.Equal("", output.Trim());
Assert.True(File.Exists(Path.Combine(dir.ToString(), "doc.xml")));
var expected =
@"<?xml version=""1.0""?>
<doc>
<assembly>
<name>out</name>
</assembly>
<members>
<member name=""T:C"">
<summary>ABC...XYZ</summary>
</member>
</members>
</doc>".Trim();
using (var reader = new StreamReader(Path.Combine(dir.ToString(), "doc.xml")))
{
var content = reader.ReadToEnd();
Assert.Equal(expected, content.Trim());
}
output = ProcessUtilities.RunAndGetOutput(Path.Combine(dir.ToString(), "out.exe"), startFolder: dir.ToString());
Assert.Equal(expected, output.Trim());
CleanupAllGeneratedFiles(src.Path);
}
[ConditionalFact(typeof(WindowsOnly))]
public void CommandLineMisc()
{
CSharpCommandLineArguments args = null;
string baseDirectory = @"c:\test";
Func<string, CSharpCommandLineArguments> parse = (x) => FullParse(x, baseDirectory);
args = parse(@"/out:""a.exe""");
Assert.Equal(@"a.exe", args.OutputFileName);
args = parse(@"/pdb:""a.pdb""");
Assert.Equal(Path.Combine(baseDirectory, @"a.pdb"), args.PdbPath);
// The \ here causes " to be treated as a quote, not as an escaping construct
args = parse(@"a\""b c""\d.cs");
Assert.Equal(
new[] { @"c:\test\a""b", @"c:\test\c\d.cs" },
args.SourceFiles.Select(x => x.Path));
args = parse(@"a\\""b c""\d.cs");
Assert.Equal(
new[] { @"c:\test\a\b c\d.cs" },
args.SourceFiles.Select(x => x.Path));
args = parse(@"/nostdlib /r:""a.dll"",""b.dll"" c.cs");
Assert.Equal(
new[] { @"a.dll", @"b.dll" },
args.MetadataReferences.Select(x => x.Reference));
args = parse(@"/nostdlib /r:""a-s.dll"",""b-s.dll"" c.cs");
Assert.Equal(
new[] { @"a-s.dll", @"b-s.dll" },
args.MetadataReferences.Select(x => x.Reference));
args = parse(@"/nostdlib /r:""a,;s.dll"",""b,;s.dll"" c.cs");
Assert.Equal(
new[] { @"a,;s.dll", @"b,;s.dll" },
args.MetadataReferences.Select(x => x.Reference));
}
[Fact]
public void CommandLine_ScriptRunner1()
{
var args = ScriptParse(new[] { "--", "script.csx", "b", "c" }, baseDirectory: WorkingDirectory);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "--", "@script.csx", "b", "c" }, baseDirectory: WorkingDirectory);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "@script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "--", "-script.csx", "b", "c" }, baseDirectory: WorkingDirectory);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "-script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "script.csx", "--", "b", "c" }, baseDirectory: WorkingDirectory);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "--", "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "script.csx", "a", "b", "c" }, baseDirectory: WorkingDirectory);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "a", "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "script.csx", "a", "--", "b", "c" }, baseDirectory: WorkingDirectory);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "a", "--", "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "-i", "script.csx", "a", "b", "c" }, baseDirectory: WorkingDirectory);
Assert.True(args.InteractiveMode);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "a", "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "-i", "--", "script.csx", "a", "b", "c" }, baseDirectory: WorkingDirectory);
Assert.True(args.InteractiveMode);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "script.csx") }, args.SourceFiles.Select(f => f.Path));
AssertEx.Equal(new[] { "a", "b", "c" }, args.ScriptArguments);
args = ScriptParse(new[] { "-i", "--", "--", "--" }, baseDirectory: WorkingDirectory);
Assert.True(args.InteractiveMode);
AssertEx.Equal(new[] { Path.Combine(WorkingDirectory, "--") }, args.SourceFiles.Select(f => f.Path));
Assert.True(args.SourceFiles[0].IsScript);
AssertEx.Equal(new[] { "--" }, args.ScriptArguments);
// TODO: fails on Linux (https://github.com/dotnet/roslyn/issues/5904)
// Result: C:\/script.csx
//args = ScriptParse(new[] { "-i", "script.csx", "--", "--" }, baseDirectory: @"C:\");
//Assert.True(args.InteractiveMode);
//AssertEx.Equal(new[] { @"C:\script.csx" }, args.SourceFiles.Select(f => f.Path));
//Assert.True(args.SourceFiles[0].IsScript);
//AssertEx.Equal(new[] { "--" }, args.ScriptArguments);
}
[WorkItem(127403, "https://devdiv.visualstudio.com:443/defaultcollection/DevDiv/_workitems/edit/127403")]
[Fact]
public void ParseSeparatedPaths_QuotedComma()
{
var paths = CSharpCommandLineParser.ParseSeparatedPaths(@"""a, b""");
Assert.Equal(
new[] { @"a, b" },
paths);
}
[Fact]
[CompilerTrait(CompilerFeature.Determinism)]
public void PathMapParser()
{
var s = PathUtilities.DirectorySeparatorStr;
var parsedArgs = DefaultParse(new[] { "/pathmap:", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ImmutableArray.Create<KeyValuePair<string, string>>(), parsedArgs.PathMap);
parsedArgs = DefaultParse(new[] { "/pathmap:K1=V1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("K1" + s, "V1" + s), parsedArgs.PathMap[0]);
parsedArgs = DefaultParse(new[] { $"/pathmap:abc{s}=/", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("abc" + s, "/"), parsedArgs.PathMap[0]);
parsedArgs = DefaultParse(new[] { "/pathmap:K1=V1,K2=V2", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("K1" + s, "V1" + s), parsedArgs.PathMap[0]);
Assert.Equal(KeyValuePairUtil.Create("K2" + s, "V2" + s), parsedArgs.PathMap[1]);
parsedArgs = DefaultParse(new[] { "/pathmap:,", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(ImmutableArray.Create<KeyValuePair<string, string>>(), parsedArgs.PathMap);
parsedArgs = DefaultParse(new[] { "/pathmap:,,", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Count());
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[0].Code);
parsedArgs = DefaultParse(new[] { "/pathmap:,,,", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Count());
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[0].Code);
parsedArgs = DefaultParse(new[] { "/pathmap:k=,=v", "a.cs" }, WorkingDirectory);
Assert.Equal(2, parsedArgs.Errors.Count());
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[0].Code);
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[1].Code);
parsedArgs = DefaultParse(new[] { "/pathmap:k=v=bad", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Count());
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[0].Code);
parsedArgs = DefaultParse(new[] { "/pathmap:k=", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Count());
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[0].Code);
parsedArgs = DefaultParse(new[] { "/pathmap:=v", "a.cs" }, WorkingDirectory);
Assert.Equal(1, parsedArgs.Errors.Count());
Assert.Equal((int)ErrorCode.ERR_InvalidPathMap, parsedArgs.Errors[0].Code);
parsedArgs = DefaultParse(new[] { "/pathmap:\"supporting spaces=is hard\"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("supporting spaces" + s, "is hard" + s), parsedArgs.PathMap[0]);
parsedArgs = DefaultParse(new[] { "/pathmap:\"K 1=V 1\",\"K 2=V 2\"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("K 1" + s, "V 1" + s), parsedArgs.PathMap[0]);
Assert.Equal(KeyValuePairUtil.Create("K 2" + s, "V 2" + s), parsedArgs.PathMap[1]);
parsedArgs = DefaultParse(new[] { "/pathmap:\"K 1\"=\"V 1\",\"K 2\"=\"V 2\"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("K 1" + s, "V 1" + s), parsedArgs.PathMap[0]);
Assert.Equal(KeyValuePairUtil.Create("K 2" + s, "V 2" + s), parsedArgs.PathMap[1]);
parsedArgs = DefaultParse(new[] { "/pathmap:\"a ==,,b\"=\"1,,== 2\",\"x ==,,y\"=\"3 4\",", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create("a =,b" + s, "1,= 2" + s), parsedArgs.PathMap[0]);
Assert.Equal(KeyValuePairUtil.Create("x =,y" + s, "3 4" + s), parsedArgs.PathMap[1]);
parsedArgs = DefaultParse(new[] { @"/pathmap:C:\temp\=/_1/,C:\temp\a\=/_2/,C:\temp\a\b\=/_3/", "a.cs", @"a\b.cs", @"a\b\c.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(KeyValuePairUtil.Create(@"C:\temp\a\b\", "/_3/"), parsedArgs.PathMap[0]);
Assert.Equal(KeyValuePairUtil.Create(@"C:\temp\a\", "/_2/"), parsedArgs.PathMap[1]);
Assert.Equal(KeyValuePairUtil.Create(@"C:\temp\", "/_1/"), parsedArgs.PathMap[2]);
}
[Theory]
[InlineData("", new string[0])]
[InlineData(",", new[] { "", "" })]
[InlineData(",,", new[] { "," })]
[InlineData(",,,", new[] { ",", "" })]
[InlineData(",,,,", new[] { ",," })]
[InlineData("a,", new[] { "a", "" })]
[InlineData("a,b", new[] { "a", "b" })]
[InlineData(",,a,,,,,b,,", new[] { ",a,,", "b," })]
public void SplitWithDoubledSeparatorEscaping(string str, string[] expected)
{
AssertEx.Equal(expected, CommandLineParser.SplitWithDoubledSeparatorEscaping(str, ','));
}
[ConditionalFact(typeof(WindowsOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
[CompilerTrait(CompilerFeature.Determinism)]
public void PathMapPdbParser()
{
var dir = Path.Combine(WorkingDirectory, "a");
var parsedArgs = DefaultParse(new[] { $@"/pathmap:{dir}=b:\", "a.cs", @"/pdb:a\data.pdb", "/debug:full" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(dir, @"data.pdb"), parsedArgs.PdbPath);
// This value is calculate during Emit phases and should be null even in the face of a pathmap targeting it.
Assert.Null(parsedArgs.EmitOptions.PdbFilePath);
}
[ConditionalFact(typeof(WindowsOnly), Reason = ConditionalSkipReason.NativePdbRequiresDesktop)]
[CompilerTrait(CompilerFeature.Determinism)]
public void PathMapPdbEmit()
{
void AssertPdbEmit(TempDirectory dir, string pdbPath, string pePdbPath, params string[] extraArgs)
{
var source = @"class Program { static void Main() { } }";
var src = dir.CreateFile("a.cs").WriteAllText(source);
var defaultArgs = new[] { "/nologo", "a.cs", "/out:a.exe", "/debug:full", $"/pdb:{pdbPath}" };
var isDeterministic = extraArgs.Contains("/deterministic");
var args = defaultArgs.Concat(extraArgs).ToArray();
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, args);
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var exePath = Path.Combine(dir.Path, "a.exe");
Assert.True(File.Exists(exePath));
Assert.True(File.Exists(pdbPath));
using (var peStream = File.OpenRead(exePath))
{
PdbValidation.ValidateDebugDirectory(peStream, null, pePdbPath, hashAlgorithm: default, hasEmbeddedPdb: false, isDeterministic);
}
}
// Case with no mappings
using (var dir = new DisposableDirectory(Temp))
{
var pdbPath = Path.Combine(dir.Path, "a.pdb");
AssertPdbEmit(dir, pdbPath, pdbPath);
}
// Simple mapping
using (var dir = new DisposableDirectory(Temp))
{
var pdbPath = Path.Combine(dir.Path, "a.pdb");
AssertPdbEmit(dir, pdbPath, @"q:\a.pdb", $@"/pathmap:{dir.Path}=q:\");
}
// Simple mapping deterministic
using (var dir = new DisposableDirectory(Temp))
{
var pdbPath = Path.Combine(dir.Path, "a.pdb");
AssertPdbEmit(dir, pdbPath, @"q:\a.pdb", $@"/pathmap:{dir.Path}=q:\", "/deterministic");
}
// Partial mapping
using (var dir = new DisposableDirectory(Temp))
{
dir.CreateDirectory("pdb");
var pdbPath = Path.Combine(dir.Path, @"pdb\a.pdb");
AssertPdbEmit(dir, pdbPath, @"q:\pdb\a.pdb", $@"/pathmap:{dir.Path}=q:\");
}
// Legacy feature flag
using (var dir = new DisposableDirectory(Temp))
{
var pdbPath = Path.Combine(dir.Path, "a.pdb");
AssertPdbEmit(dir, pdbPath, @"a.pdb", $@"/features:pdb-path-determinism");
}
// Unix path map
using (var dir = new DisposableDirectory(Temp))
{
var pdbPath = Path.Combine(dir.Path, "a.pdb");
AssertPdbEmit(dir, pdbPath, @"/a.pdb", $@"/pathmap:{dir.Path}=/");
}
// Multi-specified path map with mixed slashes
using (var dir = new DisposableDirectory(Temp))
{
var pdbPath = Path.Combine(dir.Path, "a.pdb");
AssertPdbEmit(dir, pdbPath, "/goo/a.pdb", $"/pathmap:{dir.Path}=/goo,{dir.Path}{PathUtilities.DirectorySeparatorChar}=/bar");
}
}
[CompilerTrait(CompilerFeature.Determinism)]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void DeterministicPdbsRegardlessOfBitness()
{
var dir = Temp.CreateDirectory();
var dir32 = dir.CreateDirectory("32");
var dir64 = dir.CreateDirectory("64");
var programExe32 = dir32.CreateFile("Program.exe");
var programPdb32 = dir32.CreateFile("Program.pdb");
var programExe64 = dir64.CreateFile("Program.exe");
var programPdb64 = dir64.CreateFile("Program.pdb");
var sourceFile = dir.CreateFile("Source.cs").WriteAllText(@"
using System;
using System.Linq;
using System.Collections.Generic;
namespace N
{
using I4 = System.Int32;
class Program
{
public static IEnumerable<int> F()
{
I4 x = 1;
yield return 1;
yield return x;
}
public static void Main(string[] args)
{
dynamic x = 1;
const int a = 1;
F().ToArray();
Console.WriteLine(x + a);
}
}
}");
var csc32src = $@"
using System;
using System.Reflection;
class Runner
{{
static int Main(string[] args)
{{
var assembly = Assembly.LoadFrom(@""{s_CSharpCompilerExecutable}"");
var program = assembly.GetType(""Microsoft.CodeAnalysis.CSharp.CommandLine.Program"");
var main = program.GetMethod(""Main"");
return (int)main.Invoke(null, new object[] {{ args }});
}}
}}
";
var csc32 = CreateCompilationWithMscorlib46(csc32src, options: TestOptions.ReleaseExe.WithPlatform(Platform.X86), assemblyName: "csc32");
var csc32exe = dir.CreateFile("csc32.exe").WriteAllBytes(csc32.EmitToArray());
dir.CopyFile(Path.ChangeExtension(s_CSharpCompilerExecutable, ".exe.config"), "csc32.exe.config");
dir.CopyFile(Path.Combine(Path.GetDirectoryName(s_CSharpCompilerExecutable), "csc.rsp"));
var output = ProcessUtilities.RunAndGetOutput(csc32exe.Path, $@"/nologo /debug:full /deterministic /out:Program.exe /pathmap:""{dir32.Path}""=X:\ ""{sourceFile.Path}""", expectedRetCode: 0, startFolder: dir32.Path);
Assert.Equal("", output);
output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, $@"/nologo /debug:full /deterministic /out:Program.exe /pathmap:""{dir64.Path}""=X:\ ""{sourceFile.Path}""", expectedRetCode: 0, startFolder: dir64.Path);
Assert.Equal("", output);
AssertEx.Equal(programExe32.ReadAllBytes(), programExe64.ReadAllBytes());
AssertEx.Equal(programPdb32.ReadAllBytes(), programPdb64.ReadAllBytes());
}
[WorkItem(7588, "https://github.com/dotnet/roslyn/issues/7588")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void Version()
{
var folderName = Temp.CreateDirectory().ToString();
var argss = new[]
{
"/version",
"a.cs /version /preferreduilang:en",
"/version /nologo",
"/version /help",
};
foreach (var args in argss)
{
var output = ProcessUtilities.RunAndGetOutput(s_CSharpCompilerExecutable, args, startFolder: folderName);
Assert.Equal(s_compilerVersion, output.Trim());
}
}
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void RefOut()
{
var dir = Temp.CreateDirectory();
var refDir = dir.CreateDirectory("ref");
var src = dir.CreateFile("a.cs");
src.WriteAllText(@"
public class C
{
/// <summary>Main method</summary>
public static void Main()
{
System.Console.Write(""Hello"");
}
/// <summary>Private method</summary>
private static void PrivateMethod()
{
System.Console.Write(""Private"");
}
}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path,
new[] { "/nologo", "/out:a.exe", "/refout:ref/a.dll", "/doc:doc.xml", "/deterministic", "/langversion:7", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var exe = Path.Combine(dir.Path, "a.exe");
Assert.True(File.Exists(exe));
MetadataReaderUtils.VerifyPEMetadata(exe,
new[] { "TypeDefinition:<Module>", "TypeDefinition:C" },
new[] { "MethodDefinition:Void C.Main()", "MethodDefinition:Void C.PrivateMethod()", "MethodDefinition:Void C..ctor()" },
new[] { "CompilationRelaxationsAttribute", "RuntimeCompatibilityAttribute", "DebuggableAttribute" }
);
var doc = Path.Combine(dir.Path, "doc.xml");
Assert.True(File.Exists(doc));
var content = File.ReadAllText(doc);
var expectedDoc =
@"<?xml version=""1.0""?>
<doc>
<assembly>
<name>a</name>
</assembly>
<members>
<member name=""M:C.Main"">
<summary>Main method</summary>
</member>
<member name=""M:C.PrivateMethod"">
<summary>Private method</summary>
</member>
</members>
</doc>";
Assert.Equal(expectedDoc, content.Trim());
var output = ProcessUtilities.RunAndGetOutput(exe, startFolder: dir.Path);
Assert.Equal("Hello", output.Trim());
var refDll = Path.Combine(refDir.Path, "a.dll");
Assert.True(File.Exists(refDll));
// The types and members that are included needs further refinement.
// See issue https://github.com/dotnet/roslyn/issues/17612
MetadataReaderUtils.VerifyPEMetadata(refDll,
new[] { "TypeDefinition:<Module>", "TypeDefinition:C" },
new[] { "MethodDefinition:Void C.Main()", "MethodDefinition:Void C..ctor()" },
new[] { "CompilationRelaxationsAttribute", "RuntimeCompatibilityAttribute", "DebuggableAttribute", "ReferenceAssemblyAttribute" }
);
// Clean up temp files
CleanupAllGeneratedFiles(dir.Path);
CleanupAllGeneratedFiles(refDir.Path);
}
[Fact]
public void RefOutWithError()
{
var dir = Temp.CreateDirectory();
dir.CreateDirectory("ref");
var src = dir.CreateFile("a.cs");
src.WriteAllText(@"class C { public static void Main() { error(); } }");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path,
new[] { "/nologo", "/out:a.dll", "/refout:ref/a.dll", "/deterministic", "/preferreduilang:en", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal(1, exitCode);
var dll = Path.Combine(dir.Path, "a.dll");
Assert.False(File.Exists(dll));
var refDll = Path.Combine(dir.Path, Path.Combine("ref", "a.dll"));
Assert.False(File.Exists(refDll));
Assert.Equal("a.cs(1,39): error CS0103: The name 'error' does not exist in the current context", outWriter.ToString().Trim());
// Clean up temp files
CleanupAllGeneratedFiles(dir.Path);
}
[Fact]
public void RefOnly()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("a.cs");
src.WriteAllText(@"
using System;
class C
{
/// <summary>Main method</summary>
public static void Main()
{
error(); // semantic error in method body
}
private event Action E1
{
add { }
remove { }
}
private event Action E2;
/// <summary>Private Class Field</summary>
private int field;
/// <summary>Private Struct</summary>
private struct S
{
/// <summary>Private Struct Field</summary>
private int field;
}
}");
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path,
new[] { "/nologo", "/out:a.dll", "/refonly", "/debug", "/deterministic", "/langversion:7", "/doc:doc.xml", "a.cs" });
int exitCode = csc.Run(outWriter);
Assert.Equal("", outWriter.ToString());
Assert.Equal(0, exitCode);
var refDll = Path.Combine(dir.Path, "a.dll");
Assert.True(File.Exists(refDll));
// The types and members that are included needs further refinement.
// See issue https://github.com/dotnet/roslyn/issues/17612
MetadataReaderUtils.VerifyPEMetadata(refDll,
new[] { "TypeDefinition:<Module>", "TypeDefinition:C", "TypeDefinition:S" },
new[] { "MethodDefinition:Void C.Main()", "MethodDefinition:Void C..ctor()" },
new[] { "CompilationRelaxationsAttribute", "RuntimeCompatibilityAttribute", "DebuggableAttribute", "ReferenceAssemblyAttribute" }
);
var pdb = Path.Combine(dir.Path, "a.pdb");
Assert.False(File.Exists(pdb));
var doc = Path.Combine(dir.Path, "doc.xml");
Assert.True(File.Exists(doc));
var content = File.ReadAllText(doc);
var expectedDoc =
@"<?xml version=""1.0""?>
<doc>
<assembly>
<name>a</name>
</assembly>
<members>
<member name=""M:C.Main"">
<summary>Main method</summary>
</member>
<member name=""F:C.field"">
<summary>Private Class Field</summary>
</member>
<member name=""T:C.S"">
<summary>Private Struct</summary>
</member>
<member name=""F:C.S.field"">
<summary>Private Struct Field</summary>
</member>
</members>
</doc>";
Assert.Equal(expectedDoc, content.Trim());
// Clean up temp files
CleanupAllGeneratedFiles(dir.Path);
}
[Fact]
public void CompilingCodeWithInvalidPreProcessorSymbolsShouldProvideDiagnostics()
{
var parsedArgs = DefaultParse(new[] { "/define:1", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2029: Invalid name for a preprocessing symbol; '1' is not a valid identifier
Diagnostic(ErrorCode.WRN_DefineIdentifierRequired).WithArguments("1").WithLocation(1, 1));
}
[Fact]
public void WhitespaceInDefine()
{
var parsedArgs = DefaultParse(new[] { "/define:\" a\"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify();
Assert.Equal("a", parsedArgs.ParseOptions.PreprocessorSymbols.Single());
}
[Fact]
public void WhitespaceInDefine_OnlySpaces()
{
var parsedArgs = DefaultParse(new[] { "/define:\" \"", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
Diagnostic(ErrorCode.WRN_DefineIdentifierRequired).WithArguments(" ").WithLocation(1, 1)
);
Assert.True(parsedArgs.ParseOptions.PreprocessorSymbols.IsEmpty);
}
[Fact]
public void CompilingCodeWithInvalidLanguageVersionShouldProvideDiagnostics()
{
var parsedArgs = DefaultParse(new[] { "/langversion:1000", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// error CS1617: Invalid option '1000' for /langversion. Use '/langversion:?' to list supported values.
Diagnostic(ErrorCode.ERR_BadCompatMode).WithArguments("1000").WithLocation(1, 1));
}
[Fact, WorkItem(16913, "https://github.com/dotnet/roslyn/issues/16913")]
public void CompilingCodeWithMultipleInvalidPreProcessorSymbolsShouldErrorOut()
{
var parsedArgs = DefaultParse(new[] { "/define:valid1,2invalid,valid3", "/define:4,5,valid6", "a.cs" }, WorkingDirectory);
parsedArgs.Errors.Verify(
// warning CS2029: Invalid value for '/define'; '2invalid' is not a valid identifier
Diagnostic(ErrorCode.WRN_DefineIdentifierRequired).WithArguments("2invalid"),
// warning CS2029: Invalid value for '/define'; '4' is not a valid identifier
Diagnostic(ErrorCode.WRN_DefineIdentifierRequired).WithArguments("4"),
// warning CS2029: Invalid value for '/define'; '5' is not a valid identifier
Diagnostic(ErrorCode.WRN_DefineIdentifierRequired).WithArguments("5"));
}
[WorkItem(406649, "https://devdiv.visualstudio.com/DevDiv/_workitems?id=406649")]
[ConditionalFact(typeof(WindowsDesktopOnly), typeof(IsEnglishLocal), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void MissingCompilerAssembly()
{
var dir = Temp.CreateDirectory();
var cscPath = dir.CopyFile(s_CSharpCompilerExecutable).Path;
dir.CopyFile(typeof(Compilation).Assembly.Location);
// Missing Microsoft.CodeAnalysis.CSharp.dll.
var result = ProcessUtilities.Run(cscPath, arguments: "/nologo /t:library unknown.cs", workingDirectory: dir.Path);
Assert.Equal(1, result.ExitCode);
Assert.Equal(
$"Could not load file or assembly '{typeof(CSharpCompilation).Assembly.FullName}' or one of its dependencies. The system cannot find the file specified.",
result.Output.Trim());
// Missing System.Collections.Immutable.dll.
dir.CopyFile(typeof(CSharpCompilation).Assembly.Location);
result = ProcessUtilities.Run(cscPath, arguments: "/nologo /t:library unknown.cs", workingDirectory: dir.Path);
Assert.Equal(1, result.ExitCode);
Assert.Equal(
$"Could not load file or assembly '{typeof(ImmutableArray).Assembly.FullName}' or one of its dependencies. The system cannot find the file specified.",
result.Output.Trim());
}
#if NET472
[ConditionalFact(typeof(WindowsDesktopOnly), typeof(IsEnglishLocal), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void LoadinganalyzerNetStandard13()
{
var analyzerFileName = "AnalyzerNS13.dll";
var srcFileName = "src.cs";
var analyzerDir = Temp.CreateDirectory();
var analyzerFile = analyzerDir.CreateFile(analyzerFileName).WriteAllBytes(CreateCSharpAnalyzerNetStandard13(Path.GetFileNameWithoutExtension(analyzerFileName)));
var srcFile = analyzerDir.CreateFile(srcFileName).WriteAllText("public class C { }");
var result = ProcessUtilities.Run(s_CSharpCompilerExecutable, arguments: $"/nologo /t:library /analyzer:{analyzerFileName} {srcFileName}", workingDirectory: analyzerDir.Path);
var outputWithoutPaths = Regex.Replace(result.Output, " in .*", "");
AssertEx.AssertEqualToleratingWhitespaceDifferences(
$@"warning AD0001: Analyzer 'TestAnalyzer' threw an exception of type 'System.NotImplementedException' with message '28'.
System.NotImplementedException: 28
at TestAnalyzer.get_SupportedDiagnostics()
at Microsoft.CodeAnalysis.Diagnostics.AnalyzerManager.AnalyzerExecutionContext.<>c__DisplayClass21_0.<ComputeDiagnosticDescriptors_NoLock>b__0(Object _)
at Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.ExecuteAndCatchIfThrows_NoLock[TArg](DiagnosticAnalyzer analyzer, Action`1 analyze, TArg argument, Nullable`1 info, CancellationToken cancellationToken)
-----
Analyzer 'TestAnalyzer' threw an exception of type 'System.NotImplementedException' with message '28'.
System.NotImplementedException: 28
at TestAnalyzer.get_SupportedDiagnostics()
at Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.CreateDisablingMessage(DiagnosticAnalyzer analyzer, String analyzerName)
-----
", outputWithoutPaths);
Assert.Equal(0, result.ExitCode);
}
#endif
private static ImmutableArray<byte> CreateCSharpAnalyzerNetStandard13(string analyzerAssemblyName)
{
var minSystemCollectionsImmutableSource = @"
[assembly: System.Reflection.AssemblyVersion(""1.2.3.0"")]
namespace System.Collections.Immutable
{
public struct ImmutableArray<T>
{
}
}
";
var minCodeAnalysisSource = @"
using System;
[assembly: System.Reflection.AssemblyVersion(""2.0.0.0"")]
namespace Microsoft.CodeAnalysis.Diagnostics
{
[AttributeUsage(AttributeTargets.Class)]
public sealed class DiagnosticAnalyzerAttribute : Attribute
{
public DiagnosticAnalyzerAttribute(string firstLanguage, params string[] additionalLanguages) {}
}
public abstract class DiagnosticAnalyzer
{
public abstract System.Collections.Immutable.ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; }
public abstract void Initialize(AnalysisContext context);
}
public abstract class AnalysisContext
{
}
}
namespace Microsoft.CodeAnalysis
{
public sealed class DiagnosticDescriptor
{
}
}
";
var minSystemCollectionsImmutableImage = CSharpCompilation.Create(
"System.Collections.Immutable",
new[] { SyntaxFactory.ParseSyntaxTree(minSystemCollectionsImmutableSource) },
new MetadataReference[] { NetStandard13.References.SystemRuntime },
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, cryptoPublicKey: TestResources.TestKeys.PublicKey_b03f5f7f11d50a3a)).EmitToArray();
var minSystemCollectionsImmutableRef = MetadataReference.CreateFromImage(minSystemCollectionsImmutableImage);
var minCodeAnalysisImage = CSharpCompilation.Create(
"Microsoft.CodeAnalysis",
new[] { SyntaxFactory.ParseSyntaxTree(minCodeAnalysisSource) },
new MetadataReference[]
{
NetStandard13.References.SystemRuntime,
minSystemCollectionsImmutableRef
},
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, cryptoPublicKey: TestResources.TestKeys.PublicKey_31bf3856ad364e35)).EmitToArray();
var minCodeAnalysisRef = MetadataReference.CreateFromImage(minCodeAnalysisImage);
var analyzerSource = @"
using System;
using System.Collections.ObjectModel;
using System.Collections.Immutable;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Net.Http;
using System.Net.Security;
using System.Net.Sockets;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security.AccessControl;
using System.Security.Cryptography;
using System.Security.Principal;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;
using System.Xml.Serialization;
using System.Xml.XPath;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.Win32.SafeHandles;
[DiagnosticAnalyzer(""C#"")]
public class TestAnalyzer : DiagnosticAnalyzer
{
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => throw new NotImplementedException(new[]
{
typeof(Win32Exception), // Microsoft.Win32.Primitives
typeof(AppContext), // System.AppContext
typeof(Console), // System.Console
typeof(ValueTuple), // System.ValueTuple
typeof(FileVersionInfo), // System.Diagnostics.FileVersionInfo
typeof(Process), // System.Diagnostics.Process
typeof(ChineseLunisolarCalendar), // System.Globalization.Calendars
typeof(ZipArchive), // System.IO.Compression
typeof(ZipFile), // System.IO.Compression.ZipFile
typeof(FileOptions), // System.IO.FileSystem
typeof(FileAttributes), // System.IO.FileSystem.Primitives
typeof(HttpClient), // System.Net.Http
typeof(AuthenticatedStream), // System.Net.Security
typeof(IOControlCode), // System.Net.Sockets
typeof(RuntimeInformation), // System.Runtime.InteropServices.RuntimeInformation
typeof(SerializationException), // System.Runtime.Serialization.Primitives
typeof(GenericIdentity), // System.Security.Claims
typeof(Aes), // System.Security.Cryptography.Algorithms
typeof(CspParameters), // System.Security.Cryptography.Csp
typeof(AsnEncodedData), // System.Security.Cryptography.Encoding
typeof(AsymmetricAlgorithm), // System.Security.Cryptography.Primitives
typeof(SafeX509ChainHandle), // System.Security.Cryptography.X509Certificates
typeof(IXmlLineInfo), // System.Xml.ReaderWriter
typeof(XmlNode), // System.Xml.XmlDocument
typeof(XPathDocument), // System.Xml.XPath
typeof(XDocumentExtensions), // System.Xml.XPath.XDocument
typeof(CodePagesEncodingProvider),// System.Text.Encoding.CodePages
typeof(ValueTask<>), // System.Threading.Tasks.Extensions
// csc doesn't ship with facades for the following assemblies.
// Analyzers can't use them unless they carry the facade with them.
// typeof(SafePipeHandle), // System.IO.Pipes
// typeof(StackFrame), // System.Diagnostics.StackTrace
// typeof(BindingFlags), // System.Reflection.TypeExtensions
// typeof(AccessControlActions), // System.Security.AccessControl
// typeof(SafeAccessTokenHandle), // System.Security.Principal.Windows
// typeof(Thread), // System.Threading.Thread
}.Length.ToString());
public override void Initialize(AnalysisContext context)
{
}
}";
var references =
new MetadataReference[]
{
minCodeAnalysisRef,
minSystemCollectionsImmutableRef
};
references = references.Concat(NetStandard13.References.All).ToArray();
var analyzerImage = CSharpCompilation.Create(
analyzerAssemblyName,
new SyntaxTree[] { SyntaxFactory.ParseSyntaxTree(analyzerSource) },
references: references,
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)).EmitToArray();
return analyzerImage;
}
[WorkItem(406649, "https://devdiv.visualstudio.com/DevDiv/_workitems?id=484417")]
[ConditionalFact(typeof(WindowsDesktopOnly), typeof(IsEnglishLocal), Reason = "https://github.com/dotnet/roslyn/issues/30321")]
public void MicrosoftDiaSymReaderNativeAltLoadPath()
{
var dir = Temp.CreateDirectory();
var cscDir = Path.GetDirectoryName(s_CSharpCompilerExecutable);
// copy csc and dependencies except for DSRN:
foreach (var filePath in Directory.EnumerateFiles(cscDir))
{
var fileName = Path.GetFileName(filePath);
if (fileName.StartsWith("csc") ||
fileName.StartsWith("System.") ||
fileName.StartsWith("Microsoft.") && !fileName.StartsWith("Microsoft.DiaSymReader.Native"))
{
dir.CopyFile(filePath);
}
}
dir.CreateFile("Source.cs").WriteAllText("class C { void F() { } }");
var cscCopy = Path.Combine(dir.Path, "csc.exe");
var arguments = "/nologo /t:library /debug:full Source.cs";
// env variable not set (deterministic) -- DSRN is required:
var result = ProcessUtilities.Run(
cscCopy,
arguments + " /deterministic",
workingDirectory: dir.Path,
additionalEnvironmentVars: new[] { KeyValuePairUtil.Create("MICROSOFT_DIASYMREADER_NATIVE_ALT_LOAD_PATH", "") });
AssertEx.AssertEqualToleratingWhitespaceDifferences(
"error CS0041: Unexpected error writing debug information -- 'Unable to load DLL 'Microsoft.DiaSymReader.Native.amd64.dll': " +
"The specified module could not be found. (Exception from HRESULT: 0x8007007E)'", result.Output.Trim());
// env variable not set (non-deterministic) -- globally registered SymReader is picked up:
result = ProcessUtilities.Run(cscCopy, arguments, workingDirectory: dir.Path);
AssertEx.AssertEqualToleratingWhitespaceDifferences("", result.Output.Trim());
// env variable set:
result = ProcessUtilities.Run(
cscCopy,
arguments + " /deterministic",
workingDirectory: dir.Path,
additionalEnvironmentVars: new[] { KeyValuePairUtil.Create("MICROSOFT_DIASYMREADER_NATIVE_ALT_LOAD_PATH", cscDir) });
Assert.Equal("", result.Output.Trim());
}
[ConditionalFact(typeof(WindowsOnly))]
[WorkItem(21935, "https://github.com/dotnet/roslyn/issues/21935")]
public void PdbPathNotEmittedWithoutPdb()
{
var dir = Temp.CreateDirectory();
var source = @"class Program { static void Main() { } }";
var src = dir.CreateFile("a.cs").WriteAllText(source);
var args = new[] { "/nologo", "a.cs", "/out:a.exe", "/debug-" };
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(null, dir.Path, args);
int exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var exePath = Path.Combine(dir.Path, "a.exe");
Assert.True(File.Exists(exePath));
using (var peStream = File.OpenRead(exePath))
using (var peReader = new PEReader(peStream))
{
var debugDirectory = peReader.PEHeaders.PEHeader.DebugTableDirectory;
Assert.Equal(0, debugDirectory.Size);
Assert.Equal(0, debugDirectory.RelativeVirtualAddress);
}
}
[Fact]
public void StrongNameProviderWithCustomTempPath()
{
var tempDir = Temp.CreateDirectory();
var workingDir = Temp.CreateDirectory();
workingDir.CreateFile("a.cs");
var buildPaths = new BuildPaths(clientDir: "", workingDir: workingDir.Path, sdkDir: null, tempDir: tempDir.Path);
var csc = new MockCSharpCompiler(null, buildPaths, args: new[] { "/features:UseLegacyStrongNameProvider", "/nostdlib", "a.cs" });
var comp = csc.CreateCompilation(new StringWriter(), new TouchedFileLogger(), errorLogger: null);
Assert.True(!comp.SignUsingBuilder);
}
[Theory]
[InlineData(@"/features:InterceptorsNamespaces=NS1.NS2;NS3.NS4")]
[InlineData(@"/features:""InterceptorsNamespaces=NS1.NS2;NS3.NS4""")]
public void FeaturesInterceptorsNamespaces_OptionParsing(string features)
{
var tempDir = Temp.CreateDirectory();
var workingDir = Temp.CreateDirectory();
workingDir.CreateFile("a.cs");
var buildPaths = new BuildPaths(clientDir: "", workingDir: workingDir.Path, sdkDir: null, tempDir: tempDir.Path);
var csc = new MockCSharpCompiler(null, buildPaths, args: new[] { features, "a.cs" });
var comp = (CSharpCompilation)csc.CreateCompilation(new StringWriter(), new TouchedFileLogger(), errorLogger: null);
var options = comp.SyntaxTrees[0].Options;
Assert.Equal(1, options.Features.Count);
Assert.Equal("NS1.NS2;NS3.NS4", options.Features["InterceptorsNamespaces"]);
var previewNamespaces = ((CSharpParseOptions)options).InterceptorsNamespaces;
Assert.Equal(2, previewNamespaces.Length);
Assert.Equal(new[] { "NS1", "NS2" }, previewNamespaces[0]);
Assert.Equal(new[] { "NS3", "NS4" }, previewNamespaces[1]);
}
[Fact]
public void FeaturesInterceptorsNamespaces_Duplicate()
{
var tempDir = Temp.CreateDirectory();
var workingDir = Temp.CreateDirectory();
workingDir.CreateFile("a.cs");
var buildPaths = new BuildPaths(clientDir: "", workingDir: workingDir.Path, sdkDir: null, tempDir: tempDir.Path);
var csc = new MockCSharpCompiler(null, buildPaths, args: new[] { @"/features:InterceptorsNamespaces=NS1.NS2", @"/features:InterceptorsNamespaces=NS3.NS4", "a.cs" });
var comp = (CSharpCompilation)csc.CreateCompilation(new StringWriter(), new TouchedFileLogger(), errorLogger: null);
var options = comp.SyntaxTrees[0].Options;
Assert.Equal(1, options.Features.Count);
Assert.Equal("NS3.NS4", options.Features["InterceptorsNamespaces"]);
var previewNamespaces = ((CSharpParseOptions)options).InterceptorsNamespaces;
Assert.Equal(1, previewNamespaces.Length);
Assert.Equal(new[] { "NS3", "NS4" }, previewNamespaces[0]);
}
[Fact]
public void FeaturesInterceptorsPreviewNamespaces_NotRecognizedInCommandLine()
{
// '<InterceptorsPreviewNamespaces>' is recognized in the build task and passed through as a '/features:InterceptorsNamespaces=...' argument.
// '/features:InterceptorsPreviewNamespaces=...' is included in the Features dictionary but does not enable the interceptors feature.
var tempDir = Temp.CreateDirectory();
var workingDir = Temp.CreateDirectory();
workingDir.CreateFile("a.cs");
var buildPaths = new BuildPaths(clientDir: "", workingDir: workingDir.Path, sdkDir: null, tempDir: tempDir.Path);
var csc = new MockCSharpCompiler(null, buildPaths, args: new[] { @"/features:InterceptorsPreviewNamespaces=NS1.NS2", "a.cs" });
var comp = (CSharpCompilation)csc.CreateCompilation(new StringWriter(), new TouchedFileLogger(), errorLogger: null);
var options = comp.SyntaxTrees[0].Options;
Assert.Equal(1, options.Features.Count);
Assert.Equal("NS1.NS2", options.Features["InterceptorsPreviewNamespaces"]);
Assert.False(options.Features.ContainsKey("InterceptorsNamespaces"));
Assert.Empty(((CSharpParseOptions)options).InterceptorsNamespaces);
}
public class QuotedArgumentTests : CommandLineTestBase
{
private static readonly string s_rootPath = ExecutionConditionUtil.IsWindows
? @"c:\"
: "/";
private void VerifyQuotedValid<T>(string name, string value, T expected, Func<CSharpCommandLineArguments, T> getValue)
{
var args = DefaultParse(new[] { $"/{name}:{value}", "a.cs" }, s_rootPath);
Assert.Equal(0, args.Errors.Length);
Assert.Equal(expected, getValue(args));
args = DefaultParse(new[] { $@"/{name}:""{value}""", "a.cs" }, s_rootPath);
Assert.Equal(0, args.Errors.Length);
Assert.Equal(expected, getValue(args));
}
private void VerifyQuotedInvalid<T>(string name, string value, T expected, Func<CSharpCommandLineArguments, T> getValue)
{
var args = DefaultParse(new[] { $"/{name}:{value}", "a.cs" }, s_rootPath);
Assert.Equal(0, args.Errors.Length);
Assert.Equal(expected, getValue(args));
args = DefaultParse(new[] { $@"/{name}:""{value}""", "a.cs" }, s_rootPath);
Assert.True(args.Errors.Length > 0);
}
[WorkItem(12427, "https://github.com/dotnet/roslyn/issues/12427")]
[Fact]
public void DebugFlag()
{
var platformPdbKind = PathUtilities.IsUnixLikePlatform ? DebugInformationFormat.PortablePdb : DebugInformationFormat.Pdb;
var list = new List<Tuple<string, DebugInformationFormat>>()
{
Tuple.Create("portable", DebugInformationFormat.PortablePdb),
Tuple.Create("full", platformPdbKind),
Tuple.Create("pdbonly", platformPdbKind),
Tuple.Create("embedded", DebugInformationFormat.Embedded)
};
foreach (var tuple in list)
{
VerifyQuotedValid("debug", tuple.Item1, tuple.Item2, x => x.EmitOptions.DebugInformationFormat);
}
}
[WorkItem(12427, "https://github.com/dotnet/roslyn/issues/12427")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30328")]
public void CodePage()
{
VerifyQuotedValid("codepage", "1252", 1252, x => x.Encoding.CodePage);
}
[WorkItem(12427, "https://github.com/dotnet/roslyn/issues/12427")]
[Fact]
public void Target()
{
var list = new List<Tuple<string, OutputKind>>()
{
Tuple.Create("exe", OutputKind.ConsoleApplication),
Tuple.Create("winexe", OutputKind.WindowsApplication),
Tuple.Create("library", OutputKind.DynamicallyLinkedLibrary),
Tuple.Create("module", OutputKind.NetModule),
Tuple.Create("appcontainerexe", OutputKind.WindowsRuntimeApplication),
Tuple.Create("winmdobj", OutputKind.WindowsRuntimeMetadata)
};
foreach (var tuple in list)
{
VerifyQuotedInvalid("target", tuple.Item1, tuple.Item2, x => x.CompilationOptions.OutputKind);
}
}
[WorkItem(12427, "https://github.com/dotnet/roslyn/issues/12427")]
[Fact]
public void PlatformFlag()
{
var list = new List<Tuple<string, Platform>>()
{
Tuple.Create("x86", Platform.X86),
Tuple.Create("x64", Platform.X64),
Tuple.Create("itanium", Platform.Itanium),
Tuple.Create("anycpu", Platform.AnyCpu),
Tuple.Create("anycpu32bitpreferred",Platform.AnyCpu32BitPreferred),
Tuple.Create("arm", Platform.Arm)
};
foreach (var tuple in list)
{
VerifyQuotedValid("platform", tuple.Item1, tuple.Item2, x => x.CompilationOptions.Platform);
}
}
[WorkItem(12427, "https://github.com/dotnet/roslyn/issues/12427")]
[Fact]
public void WarnFlag()
{
VerifyQuotedValid("warn", "1", 1, x => x.CompilationOptions.WarningLevel);
}
[WorkItem(12427, "https://github.com/dotnet/roslyn/issues/12427")]
[Fact]
public void LangVersionFlag()
{
VerifyQuotedValid("langversion", "2", LanguageVersion.CSharp2, x => x.ParseOptions.LanguageVersion);
}
}
[Fact]
[WorkItem(23525, "https://github.com/dotnet/roslyn/issues/23525")]
public void InvalidPathCharacterInPathMap()
{
string filePath = Temp.CreateFile().WriteAllText("").Path;
var compiler = CreateCSharpCompiler(null, WorkingDirectory, new[]
{
filePath,
"/debug:embedded",
"/pathmap:test\\=\"",
"/target:library",
"/preferreduilang:en"
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = compiler.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS8101: The pathmap option was incorrectly formatted.", outWriter.ToString(), StringComparison.Ordinal);
}
[WorkItem(23525, "https://github.com/dotnet/roslyn/issues/23525")]
[ConditionalFact(typeof(WindowsDesktopOnly), Reason = "https://github.com/dotnet/roslyn/issues/30289")]
public void InvalidPathCharacterInPdbPath()
{
string filePath = Temp.CreateFile().WriteAllText("").Path;
var compiler = CreateCSharpCompiler(null, WorkingDirectory, new[]
{
filePath,
"/debug:embedded",
"/pdb:test\\?.pdb",
"/target:library",
"/preferreduilang:en"
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = compiler.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.Contains("error CS2021: File name 'test\\?.pdb' is empty, contains invalid characters, has a drive specification without an absolute path, or is too long", outWriter.ToString(), StringComparison.Ordinal);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[ConditionalFact(typeof(IsEnglishLocal))]
public void TestSuppression_CompilerParserWarningAsError()
{
string source = @"
class C
{
long M(int i)
{
// warning CS0078 : The 'l' suffix is easily confused with the digit '1' -- use 'L' for clarity
return 0l;
}
}
";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that parser warning CS0078 is reported.
var output = VerifyOutput(srcDirectory, srcFile, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("warning CS0078", output, StringComparison.Ordinal);
// Verify that parser warning CS0078 is reported as error for /warnaserror.
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1,
additionalFlags: new[] { "/warnAsError" }, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("error CS0078", output, StringComparison.Ordinal);
// Verify that parser warning CS0078 is suppressed with diagnostic suppressor even with /warnaserror
// and info diagnostic is logged with programmatic suppression information.
var suppressor = new DiagnosticSuppressorForId("CS0078");
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0, expectedErrorCount: 0,
additionalFlags: new[] { "/warnAsError" },
includeCurrentAssemblyAsAnalyzerReference: false,
errorlog: true,
analyzers: new[] { suppressor });
Assert.DoesNotContain($"error CS0078", output, StringComparison.Ordinal);
Assert.DoesNotContain($"warning CS0078", output, StringComparison.Ordinal);
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage = string.Format(CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
suppressor.SuppressionDescriptor.SuppressedDiagnosticId,
new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.WRN_LowercaseEllSuffix), Location.None).GetMessage(CultureInfo.InvariantCulture),
suppressor.SuppressionDescriptor.Id,
suppressor.SuppressionDescriptor.Justification);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[ConditionalTheory(typeof(IsEnglishLocal)), CombinatorialData]
public void TestSuppression_CompilerSyntaxWarning(bool skipAnalyzers)
{
// warning CS1522: Empty switch block
// NOTE: Empty switch block warning is reported by the C# language parser
string source = @"
class C
{
void M(int i)
{
switch (i)
{
}
}
}";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that compiler warning CS1522 is reported.
var output = VerifyOutput(srcDirectory, srcFile, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false, skipAnalyzers: skipAnalyzers);
Assert.Contains("warning CS1522", output, StringComparison.Ordinal);
// Verify that compiler warning CS1522 is suppressed with diagnostic suppressor
// and info diagnostic is logged with programmatic suppression information.
var suppressor = new DiagnosticSuppressorForId("CS1522");
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage = string.Format(CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
suppressor.SuppressionDescriptor.SuppressedDiagnosticId,
new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.WRN_EmptySwitch), Location.None).GetMessage(CultureInfo.InvariantCulture),
suppressor.SuppressionDescriptor.Id,
suppressor.SuppressionDescriptor.Justification);
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0, includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { suppressor }, errorlog: true, skipAnalyzers: skipAnalyzers);
Assert.DoesNotContain($"warning CS1522", output, StringComparison.Ordinal);
Assert.Contains($"info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
// Verify that compiler warning CS1522 is reported as error for /warnaserror.
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1,
additionalFlags: new[] { "/warnAsError" }, includeCurrentAssemblyAsAnalyzerReference: false, skipAnalyzers: skipAnalyzers);
Assert.Contains("error CS1522", output, StringComparison.Ordinal);
// Verify that compiler warning CS1522 is suppressed with diagnostic suppressor even with /warnaserror
// and info diagnostic is logged with programmatic suppression information.
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0, expectedErrorCount: 0,
additionalFlags: new[] { "/warnAsError" },
includeCurrentAssemblyAsAnalyzerReference: false,
errorlog: true,
skipAnalyzers: skipAnalyzers,
analyzers: new[] { suppressor });
Assert.DoesNotContain($"error CS1522", output, StringComparison.Ordinal);
Assert.DoesNotContain($"warning CS1522", output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[ConditionalTheory(typeof(IsEnglishLocal)), CombinatorialData]
public void TestSuppression_CompilerSemanticWarning(bool skipAnalyzers)
{
string source = @"
class C
{
// warning CS0169: The field 'C.f' is never used
private readonly int f;
}";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that compiler warning CS0169 is reported.
var output = VerifyOutput(srcDirectory, srcFile, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false, skipAnalyzers: skipAnalyzers);
Assert.Contains("warning CS0169", output, StringComparison.Ordinal);
// Verify that compiler warning CS0169 is suppressed with diagnostic suppressor
// and info diagnostic is logged with programmatic suppression information.
var suppressor = new DiagnosticSuppressorForId("CS0169");
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage = string.Format(CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
suppressor.SuppressionDescriptor.SuppressedDiagnosticId,
new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.WRN_UnreferencedField, "C.f"), Location.None).GetMessage(CultureInfo.InvariantCulture),
suppressor.SuppressionDescriptor.Id,
suppressor.SuppressionDescriptor.Justification);
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0, includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { suppressor }, errorlog: true, skipAnalyzers: skipAnalyzers);
Assert.DoesNotContain($"warning CS0169", output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
// Verify that compiler warning CS0169 is reported as error for /warnaserror.
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1,
additionalFlags: new[] { "/warnAsError" }, includeCurrentAssemblyAsAnalyzerReference: false, skipAnalyzers: skipAnalyzers);
Assert.Contains("error CS0169", output, StringComparison.Ordinal);
// Verify that compiler warning CS0169 is suppressed with diagnostic suppressor even with /warnaserror
// and info diagnostic is logged with programmatic suppression information.
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0, expectedErrorCount: 0,
additionalFlags: new[] { "/warnAsError" },
includeCurrentAssemblyAsAnalyzerReference: false,
errorlog: true,
skipAnalyzers: skipAnalyzers,
analyzers: new[] { suppressor });
Assert.DoesNotContain($"error CS0169", output, StringComparison.Ordinal);
Assert.DoesNotContain($"warning CS0169", output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(62540, "https://github.com/dotnet/roslyn/issues/62540")]
[ConditionalTheory(typeof(IsEnglishLocal)), CombinatorialData]
public void TestSuppression_CompilerSyntaxParseError_SuppressWarningCaughtDuringParsingStage(bool skipAnalyzers)
{
const string SourceCode = @"
using System;
class X
{
public bool Select<T>(Func<int, T> selector) => true;
public static int operator +(Action a, X right) => 0;
}
public class PrecedenceInversionClass
{
void M1()
{
var src = new X();
var b = false && from x in src select x; // Parsing warning -- CS8848: Operator 'from' cannot be used here due to precedence
}
}
public class {} // Parsing error -- CS1001: Identifier expected";
var sourceDirectory = Temp.CreateDirectory();
var sourceFile = sourceDirectory.CreateFile("BuggyCode.cs");
sourceFile.WriteAllText(SourceCode);
// During the parsing stage, both CS8848 (a warning) and CS1001 (an unsuppressible error) will be detected.
// This test verifies that CS8848 is correctly suppressed, and that CS1001 is correctly reported.
var precedenceInversionWarningSuppressor = new DiagnosticSuppressorForId("CS8848");
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage =
string.Format(
CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
precedenceInversionWarningSuppressor.SuppressionDescriptor.SuppressedDiagnosticId,
new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.WRN_PrecedenceInversion, "from"), Location.None).GetMessage(CultureInfo.InvariantCulture),
precedenceInversionWarningSuppressor.SuppressionDescriptor.Id,
precedenceInversionWarningSuppressor.SuppressionDescriptor.Justification);
// CS8848 is automatically suppressed if the warning level is <5.
// Set the warning level to 5 to ensure that it will not get automatically suppressed, and leave it up to the `precedenceInversionWarningSuppressor` to suppress it.
var output =
VerifyOutput(
sourceDirectory,
sourceFile,
additionalFlags: new[] { "/warn:5" },
expectedErrorCount: 1,
expectedInfoCount: 1,
expectedWarningCount: 0,
includeCurrentAssemblyAsAnalyzerReference: false,
skipAnalyzers: skipAnalyzers,
analyzers: new[] { precedenceInversionWarningSuppressor },
errorlog: true);
Assert.DoesNotContain("warning CS8848", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains("error CS1001", output, StringComparison.Ordinal);
// During the parsing stage, both CS8848 (a warning) and CS1001 (an unsuppressible error) will be detected.
// This test verifies that CS8848 is correctly suppressed even when elevated as an error (using `warnaserror`), and that CS1001 is correctly reported.
output =
VerifyOutput(
sourceDirectory,
sourceFile,
expectedErrorCount: 1,
expectedInfoCount: 1,
expectedWarningCount: 0,
additionalFlags: new[] { "/warn:5", "/warnaserror" },
includeCurrentAssemblyAsAnalyzerReference: false,
skipAnalyzers: skipAnalyzers,
errorlog: true,
analyzers: new[] { precedenceInversionWarningSuppressor });
Assert.DoesNotContain($"error CS8848", output, StringComparison.Ordinal);
Assert.DoesNotContain($"warning CS8848", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains("error CS1001", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(sourceFile.Path);
}
[WorkItem(62540, "https://github.com/dotnet/roslyn/issues/62540")]
[ConditionalTheory(typeof(IsEnglishLocal)), CombinatorialData]
public void TestSuppression_CompilerSyntaxDeclarationError_SuppressWarningTriggeredByGenerator(bool skipAnalyzers)
{
const string SourceCode = @"
partial struct MyPartialStruct
{
public int MyInt;
public void SetMyInt(int value)
{
MyInt = value;
}
}
public abstract class MyAbstractClass
{
// error CS0180: Methods cannot be both extern and abstract -- this is a declaration error
public extern abstract void MyFaultyMethod()
{
}
}";
var sourceDirectory = Temp.CreateDirectory();
var sourceFile = sourceDirectory.CreateFile("NotGenerated.cs");
sourceFile.WriteAllText(SourceCode);
const string GeneratedCode =
@"// warning CS0282: Partial struct warning
partial struct MyPartialStruct
{
public bool MyBoolean;
public void SetMyBoolean(bool value)
{
MyBoolean = value;
}
}";
var partialStructGenerator = new SingleFileTestGenerator(GeneratedCode, "Generated.cs");
// The generated code will trigger `CS0282`. This test verifies 3 things:
// 1. Compiler warning `CS0282` is suppressed with diagnostic suppressor,
// 2. Info diagnostic for the suppression is logged with programmatic suppression information,
// 3. Compiler error `CS0180` is reported.
var partialStructWarningSuppressor = new DiagnosticSuppressorForId("CS0282");
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage =
string.Format(
CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
partialStructWarningSuppressor.SuppressionDescriptor.SuppressedDiagnosticId,
new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.WRN_SequentialOnPartialClass, "MyPartialStruct"), Location.None).GetMessage(CultureInfo.InvariantCulture),
partialStructWarningSuppressor.SuppressionDescriptor.Id,
partialStructWarningSuppressor.SuppressionDescriptor.Justification);
var output =
VerifyOutput(
sourceDirectory,
sourceFile,
expectedErrorCount: 1,
expectedInfoCount: 1,
expectedWarningCount: 0,
includeCurrentAssemblyAsAnalyzerReference: false,
skipAnalyzers: skipAnalyzers,
generators: new[] { partialStructGenerator },
analyzers: new[] { partialStructWarningSuppressor },
errorlog: true);
Assert.DoesNotContain("warning CS0282", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains("error CS0180", output, StringComparison.Ordinal);
// The generated code will trigger `CS0282`. This test verifies 3 things:
// 1. Compiler warning `CS0282` is suppressed with diagnostic suppressor even when elevated as an error (using `/warnaserror`),
// 2. Info diagnostic for the suppression is logged with programmatic suppression information,
// 3. Compiler error `CS0180` is reported.
output =
VerifyOutput(
sourceDirectory,
sourceFile,
expectedErrorCount: 1,
expectedInfoCount: 1,
expectedWarningCount: 0,
additionalFlags: new[] { "/warnaserror" },
includeCurrentAssemblyAsAnalyzerReference: false,
skipAnalyzers: skipAnalyzers,
generators: new[] { partialStructGenerator },
errorlog: true,
analyzers: new[] { partialStructWarningSuppressor });
Assert.DoesNotContain($"error CS0282", output, StringComparison.Ordinal);
Assert.DoesNotContain($"warning CS0282", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains("error CS0180", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(sourceFile.Path);
}
[WorkItem(62540, "https://github.com/dotnet/roslyn/issues/62540")]
[ConditionalTheory(typeof(IsEnglishLocal)), CombinatorialData]
public void TestSuppression_CompilerSyntaxBindingError_SuppressWarningTriggeredByGenerator(bool skipAnalyzers)
{
const string SourceCode = @"
// warning CS0282: Partial struct warning
partial struct MyPartialStruct
{
public int MyInt;
public void SetMyInt(int value)
{
MyInt = value;
}
}
public class MyClass
{
void MyPrivateMethod()
{
}
}
public class YourClass
{
void YourPrivateMethod()
{
// Cannot access private method
new MyClass().MyPrivateMethod();
}
}";
var sourceDir = Temp.CreateDirectory();
var sourceFile = sourceDir.CreateFile("NotGenerated.cs");
sourceFile.WriteAllText(SourceCode);
const string GeneratedSource =
@"// warning CS0282: Partial struct warning
partial struct MyPartialStruct
{
public bool MyBoolean;
public void SetMyBoolean(bool value)
{
MyBoolean = value;
}
}";
var partialStructGenerator = new SingleFileTestGenerator(GeneratedSource, "Generated.cs");
// The generated code will trigger `CS0282`. This test verifies 3 things:
// 1. Compiler warning `CS0282` is suppressed with diagnostic suppressor,
// 2. Info diagnostic for the suppression is logged with programmatic suppression information,
// 3. Compiler error `CS1001` is reported.
var partialStructWarningSuppressor = new DiagnosticSuppressorForId("CS0282");
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage =
string.Format(
CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
partialStructWarningSuppressor.SuppressionDescriptor.SuppressedDiagnosticId,
new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.WRN_SequentialOnPartialClass, "MyPartialStruct"), Location.None).GetMessage(CultureInfo.InvariantCulture),
partialStructWarningSuppressor.SuppressionDescriptor.Id,
partialStructWarningSuppressor.SuppressionDescriptor.Justification);
var output =
VerifyOutput(
sourceDir,
sourceFile,
expectedErrorCount: 1,
expectedInfoCount: 1,
expectedWarningCount: 0,
includeCurrentAssemblyAsAnalyzerReference: false,
skipAnalyzers: skipAnalyzers,
generators: new[] { partialStructGenerator },
analyzers: new[] { partialStructWarningSuppressor },
errorlog: true);
Assert.DoesNotContain("warning CS0282", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains("error CS0122", output, StringComparison.Ordinal);
// The generated code will trigger `CS0282`. This test verifies 3 things:
// 1. Compiler warning `CS0282` is suppressed with diagnostic suppressor even when elevated as an error (using `/warnaserror`),
// 2. Info diagnostic for the suppression is logged with programmatic suppression information,
// 3. Compiler error `CS1001` is reported.
output =
VerifyOutput(
sourceDir,
sourceFile,
expectedErrorCount: 1,
expectedInfoCount: 1,
expectedWarningCount: 0,
additionalFlags: new[] { "/warnaserror" },
includeCurrentAssemblyAsAnalyzerReference: false,
skipAnalyzers: skipAnalyzers,
errorlog: true,
generators: new[] { partialStructGenerator },
analyzers: new[] { partialStructWarningSuppressor });
Assert.DoesNotContain($"error CS0282", output, StringComparison.Ordinal);
Assert.DoesNotContain($"warning CS0282", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains("error CS0122", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(sourceFile.Path);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[Fact]
public void TestNoSuppression_CompilerSyntaxError()
{
// error CS1001: Identifier expected
string source = @"
class { }";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that compiler syntax error CS1001 is reported.
var output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("error CS1001", output, StringComparison.Ordinal);
// Verify that compiler syntax error CS1001 cannot be suppressed with diagnostic suppressor.
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { new DiagnosticSuppressorForId("CS1001") });
Assert.Contains("error CS1001", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[Fact]
public void TestNoSuppression_CompilerSemanticError()
{
// error CS0246: The type or namespace name 'UndefinedType' could not be found (are you missing a using directive or an assembly reference?)
string source = @"
class C
{
void M(UndefinedType x) { }
}";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that compiler error CS0246 is reported.
var output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("error CS0246", output, StringComparison.Ordinal);
// Verify that compiler error CS0246 cannot be suppressed with diagnostic suppressor.
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { new DiagnosticSuppressorForId("CS0246") });
Assert.Contains("error CS0246", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[ConditionalFact(typeof(IsEnglishLocal))]
public void TestSuppression_AnalyzerWarning()
{
string source = @"
class C { }";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that analyzer warning is reported.
var analyzer = new CompilationAnalyzerWithSeverity(DiagnosticSeverity.Warning, configurable: true);
var output = VerifyOutput(srcDirectory, srcFile, expectedWarningCount: 1,
includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { analyzer });
Assert.Contains($"warning {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
// Verify that analyzer warning is suppressed with diagnostic suppressor
// and info diagnostic is logged with programmatic suppression information.
var suppressor = new DiagnosticSuppressorForId(analyzer.Descriptor.Id);
// Diagnostic '{0}: {1}' was programmatically suppressed by a DiagnosticSuppressor with suppression ID '{2}' and justification '{3}'
var suppressionMessage = string.Format(CodeAnalysisResources.SuppressionDiagnosticDescriptorMessage,
suppressor.SuppressionDescriptor.SuppressedDiagnosticId,
analyzer.Descriptor.MessageFormat,
suppressor.SuppressionDescriptor.Id,
suppressor.SuppressionDescriptor.Justification);
var analyzerAndSuppressor = new DiagnosticAnalyzer[] { analyzer, suppressor };
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0,
includeCurrentAssemblyAsAnalyzerReference: false,
errorlog: true,
analyzers: analyzerAndSuppressor);
Assert.DoesNotContain($"warning {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
// Verify that analyzer warning is reported as error for /warnaserror.
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1,
additionalFlags: new[] { "/warnAsError" },
includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { analyzer });
Assert.Contains($"error {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
// Verify that analyzer warning is suppressed with diagnostic suppressor even with /warnaserror
// and info diagnostic is logged with programmatic suppression information.
output = VerifyOutput(srcDirectory, srcFile, expectedInfoCount: 1, expectedWarningCount: 0,
additionalFlags: new[] { "/warnAsError" },
includeCurrentAssemblyAsAnalyzerReference: false,
errorlog: true,
analyzers: analyzerAndSuppressor);
Assert.DoesNotContain($"warning {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
Assert.Contains("info SP0001", output, StringComparison.Ordinal);
Assert.Contains(suppressionMessage, output, StringComparison.Ordinal);
// Verify that "NotConfigurable" analyzer warning cannot be suppressed with diagnostic suppressor.
analyzer = new CompilationAnalyzerWithSeverity(DiagnosticSeverity.Warning, configurable: false);
suppressor = new DiagnosticSuppressorForId(analyzer.Descriptor.Id);
analyzerAndSuppressor = new DiagnosticAnalyzer[] { analyzer, suppressor };
output = VerifyOutput(srcDirectory, srcFile, expectedWarningCount: 1,
includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: analyzerAndSuppressor);
Assert.Contains($"warning {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(20242, "https://github.com/dotnet/roslyn/issues/20242")]
[Fact]
public void TestNoSuppression_AnalyzerError()
{
string source = @"
class C { }";
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
// Verify that analyzer error is reported.
var analyzer = new CompilationAnalyzerWithSeverity(DiagnosticSeverity.Error, configurable: true);
var output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1,
includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: new[] { analyzer });
Assert.Contains($"error {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
// Verify that analyzer error cannot be suppressed with diagnostic suppressor.
var suppressor = new DiagnosticSuppressorForId(analyzer.Descriptor.Id);
var analyzerAndSuppressor = new DiagnosticAnalyzer[] { analyzer, suppressor };
output = VerifyOutput(srcDirectory, srcFile, expectedErrorCount: 1,
includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: analyzerAndSuppressor);
Assert.Contains($"error {analyzer.Descriptor.Id}", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcFile.Path);
}
[WorkItem(38674, "https://github.com/dotnet/roslyn/issues/38674")]
[InlineData(DiagnosticSeverity.Warning, false)]
[InlineData(DiagnosticSeverity.Info, true)]
[InlineData(DiagnosticSeverity.Info, false)]
[InlineData(DiagnosticSeverity.Hidden, false)]
[Theory]
public void TestCategoryBasedBulkAnalyzerDiagnosticConfiguration(DiagnosticSeverity defaultSeverity, bool errorlog)
{
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity);
var diagnosticId = analyzer.Descriptor.Id;
var category = analyzer.Descriptor.Category;
// Verify category based configuration without any diagnostic ID configuration is respected.
var analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Error);
// Verify category based configuration does not get applied for suppressed diagnostic.
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress, noWarn: true);
// Verify category based configuration does not get applied for diagnostic configured in ruleset.
var rulesetText = $@"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.CodeAnalysis"" RuleNamespace=""Microsoft.CodeAnalysis"">
<Rule Id=""{diagnosticId}"" Action=""Warning"" />
</Rules>
</RuleSet>";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn, rulesetText: rulesetText);
// Verify category based configuration before diagnostic ID configuration is not respected.
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = error
dotnet_diagnostic.{diagnosticId}.severity = warning";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn);
// Verify category based configuration after diagnostic ID configuration is not respected.
analyzerConfigText = $@"
[*.cs]
dotnet_diagnostic.{diagnosticId}.severity = warning
dotnet_analyzer_diagnostic.category-{category}.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn);
// Verify global config based configuration before diagnostic ID configuration is not respected.
analyzerConfigText = $@"
is_global = true
dotnet_analyzer_diagnostic.category-{category}.severity = error
dotnet_diagnostic.{diagnosticId}.severity = warning";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn);
// Verify global config based configuration after diagnostic ID configuration is not respected.
analyzerConfigText = $@"
is_global = true
dotnet_diagnostic.{diagnosticId}.severity = warning
dotnet_analyzer_diagnostic.category-{category}.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn);
// Verify category based configuration to warning + /warnaserror reports errors.
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = warning";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, warnAsError: true, expectedDiagnosticSeverity: ReportDiagnostic.Error);
// Verify disabled by default analyzer is not enabled by category based configuration.
analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: false, defaultSeverity);
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress);
// Verify disabled by default analyzer is not enabled by category based configuration in global config
analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: false, defaultSeverity);
analyzerConfigText = $@"
is_global=true
dotnet_analyzer_diagnostic.category-{category}.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress);
if (defaultSeverity == DiagnosticSeverity.Hidden ||
defaultSeverity == DiagnosticSeverity.Info && !errorlog)
{
// Verify analyzer with Hidden severity OR Info severity + no /errorlog is not executed.
analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity, throwOnAllNamedTypes: true);
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText: string.Empty, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress);
// Verify that bulk configuration 'none' entry does not enable this analyzer.
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = none";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress);
// Verify that bulk configuration 'none' entry does not enable this analyzer via global config
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = none";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress);
}
}
[WorkItem(38674, "https://github.com/dotnet/roslyn/issues/38674")]
[InlineData(DiagnosticSeverity.Warning, false, false)]
[InlineData(DiagnosticSeverity.Warning, false, true)]
[InlineData(DiagnosticSeverity.Info, true, false)]
[InlineData(DiagnosticSeverity.Info, false, false)]
[InlineData(DiagnosticSeverity.Info, true, true)]
[InlineData(DiagnosticSeverity.Info, false, true)]
[InlineData(DiagnosticSeverity.Hidden, false, false)]
[InlineData(DiagnosticSeverity.Hidden, false, true)]
[Theory]
public void TestBulkAnalyzerDiagnosticConfiguration(DiagnosticSeverity defaultSeverity, bool errorlog, bool customConfigurable)
{
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity, customConfigurable, throwOnAllNamedTypes: false);
var diagnosticId = analyzer.Descriptor.Id;
// Verify bulk configuration without any diagnostic ID configuration is respected,
// unless analyzer reports 'CustomConfigurable' diagnostics, which explicitly disables bulk configuration.
var defaultReportDiagnostic = DiagnosticDescriptor.MapSeverityToReport(defaultSeverity);
var expectedDiagnosticSeverity = customConfigurable ? defaultReportDiagnostic : ReportDiagnostic.Error;
var analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity);
// Verify bulk configuration does not get applied for suppressed diagnostic.
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Suppress, noWarn: true);
// Verify bulk configuration does not get applied for diagnostic configured in ruleset.
var rulesetText = $@"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.CodeAnalysis"" RuleNamespace=""Microsoft.CodeAnalysis"">
<Rule Id=""{diagnosticId}"" Action=""Warning"" />
</Rules>
</RuleSet>";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn, rulesetText: rulesetText);
// Verify bulk configuration before diagnostic ID configuration is not respected.
// If the analyzer reports 'CustomConfigurable' diagnostics, all editorconfig configurations are ignored.
expectedDiagnosticSeverity = customConfigurable ? defaultReportDiagnostic : ReportDiagnostic.Warn;
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.severity = error
dotnet_diagnostic.{diagnosticId}.severity = warning";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity);
// Verify bulk configuration after diagnostic ID configuration is not respected.
// If the analyzer reports 'CustomConfigurable' diagnostics, all editorconfig configurations are ignored.
analyzerConfigText = $@"
[*.cs]
dotnet_diagnostic.{diagnosticId}.severity = warning
dotnet_analyzer_diagnostic.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity);
// Verify bulk configuration to warning + /warnaserror reports errors.
// If the analyzer reports 'CustomConfigurable' diagnostics, all editorconfig configurations are ignored.
expectedDiagnosticSeverity = customConfigurable && defaultReportDiagnostic != ReportDiagnostic.Warn ? defaultReportDiagnostic : ReportDiagnostic.Error;
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.severity = warning";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity, warnAsError: true);
// Verify disabled by default analyzer is not enabled by bulk configuration.
// However, analyzer reporting 'CustomConfigurable' diagnostics is considered to be enabled.
analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: false, defaultSeverity, customConfigurable, throwOnAllNamedTypes: false);
expectedDiagnosticSeverity = customConfigurable ? defaultReportDiagnostic : ReportDiagnostic.Suppress;
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity);
if (defaultSeverity == DiagnosticSeverity.Hidden ||
defaultSeverity == DiagnosticSeverity.Info && !errorlog)
{
// Verify analyzer with Hidden severity OR Info severity + no /errorlog is not executed.
// Unless the analyzer reports 'CustomConfigurable' diagnostics, in which case it is always executed.
expectedDiagnosticSeverity = customConfigurable ? defaultReportDiagnostic : ReportDiagnostic.Suppress;
analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity, customConfigurable, throwOnAllNamedTypes: !customConfigurable);
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText: string.Empty, errorlog, expectedDiagnosticSeverity);
// Verify that bulk configuration 'none' entry does not enable this analyzer.
// However, analyzer reporting 'CustomConfigurable' diagnostics is considered to be enabled.
expectedDiagnosticSeverity = customConfigurable ? defaultReportDiagnostic : ReportDiagnostic.Suppress;
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.severity = none";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity);
}
}
[WorkItem(38674, "https://github.com/dotnet/roslyn/issues/38674")]
[InlineData(DiagnosticSeverity.Warning, false)]
[InlineData(DiagnosticSeverity.Info, true)]
[InlineData(DiagnosticSeverity.Info, false)]
[InlineData(DiagnosticSeverity.Hidden, false)]
[Theory]
public void TestMixedCategoryBasedAndBulkAnalyzerDiagnosticConfiguration(DiagnosticSeverity defaultSeverity, bool errorlog)
{
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity);
var diagnosticId = analyzer.Descriptor.Id;
var category = analyzer.Descriptor.Category;
// Verify category based configuration before bulk analyzer diagnostic configuration is respected.
var analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = error
dotnet_analyzer_diagnostic.severity = warning";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Error);
// Verify category based configuration after bulk analyzer diagnostic configuration is respected.
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.severity = warning
dotnet_analyzer_diagnostic.category-{category}.severity = error";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Error);
// Verify neither category based nor bulk diagnostic configuration is respected when specific diagnostic ID is configured in analyzer config.
analyzerConfigText = $@"
[*.cs]
dotnet_diagnostic.{diagnosticId}.severity = warning
dotnet_analyzer_diagnostic.category-{category}.severity = none
dotnet_analyzer_diagnostic.severity = suggestion";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn);
// Verify neither category based nor bulk diagnostic configuration is respected when specific diagnostic ID is configured in ruleset.
analyzerConfigText = $@"
[*.cs]
dotnet_analyzer_diagnostic.category-{category}.severity = none
dotnet_analyzer_diagnostic.severity = suggestion";
var rulesetText = $@"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.CodeAnalysis"" RuleNamespace=""Microsoft.CodeAnalysis"">
<Rule Id=""{diagnosticId}"" Action=""Warning"" />
</Rules>
</RuleSet>";
TestBulkAnalyzerConfigurationCore(analyzer, analyzerConfigText, errorlog, expectedDiagnosticSeverity: ReportDiagnostic.Warn, rulesetText);
}
private void TestBulkAnalyzerConfigurationCore(
NamedTypeAnalyzerWithConfigurableEnabledByDefault analyzer,
string analyzerConfigText,
bool errorlog,
ReportDiagnostic expectedDiagnosticSeverity,
string rulesetText = null,
bool noWarn = false,
bool warnAsError = false)
{
var diagnosticId = analyzer.Descriptor.Id;
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"class C { }");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(analyzerConfigText);
var arguments = new[] {
"/nologo",
"/t:library",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path };
if (noWarn)
{
arguments = arguments.Append($"/nowarn:{diagnosticId}");
}
if (warnAsError)
{
arguments = arguments.Append($"/warnaserror");
}
if (errorlog)
{
arguments = arguments.Append($"/errorlog:errorlog");
}
if (rulesetText != null)
{
var rulesetFile = CreateRuleSetFile(rulesetText);
arguments = arguments.Append($"/ruleset:{rulesetFile.Path}");
}
var cmd = CreateCSharpCompiler(null, dir.Path, arguments,
analyzers: new[] { analyzer });
Assert.Equal(analyzerConfig.Path, Assert.Single(cmd.Arguments.AnalyzerConfigPaths));
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
var expectedErrorCode = expectedDiagnosticSeverity == ReportDiagnostic.Error ? 1 : 0;
Assert.Equal(expectedErrorCode, exitCode);
var prefix = expectedDiagnosticSeverity switch
{
ReportDiagnostic.Error => "error",
ReportDiagnostic.Warn => "warning",
ReportDiagnostic.Info => errorlog ? "info" : null,
ReportDiagnostic.Hidden => null,
ReportDiagnostic.Suppress => null,
_ => throw ExceptionUtilities.UnexpectedValue(expectedDiagnosticSeverity)
};
if (prefix == null)
{
Assert.DoesNotContain(diagnosticId, outWriter.ToString());
}
else
{
Assert.Contains($"{prefix} {diagnosticId}: {analyzer.Descriptor.MessageFormat}", outWriter.ToString());
}
}
[Theory]
[InlineData(true)]
[InlineData(false)]
[WorkItem(37779, "https://github.com/dotnet/roslyn/issues/37779")]
public void CompilerWarnAsErrorDoesNotEmit(bool warnAsError)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
int _f; // CS0169: unused field
}");
var docName = "temp.xml";
var pdbName = "temp.pdb";
var additionalArgs = new[] { $"/doc:{docName}", $"/pdb:{pdbName}", "/debug" };
if (warnAsError)
{
additionalArgs = additionalArgs.Append("/warnaserror").AsArray();
}
var expectedErrorCount = warnAsError ? 1 : 0;
var expectedWarningCount = !warnAsError ? 1 : 0;
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false,
additionalArgs,
expectedErrorCount: expectedErrorCount,
expectedWarningCount: expectedWarningCount);
var expectedOutput = warnAsError ? "error CS0169" : "warning CS0169";
Assert.Contains(expectedOutput, output);
string binaryPath = Path.Combine(dir.Path, "temp.dll");
Assert.True(File.Exists(binaryPath) == !warnAsError);
string pdbPath = Path.Combine(dir.Path, pdbName);
Assert.True(File.Exists(pdbPath) == !warnAsError);
string xmlDocFilePath = Path.Combine(dir.Path, docName);
Assert.True(File.Exists(xmlDocFilePath) == !warnAsError);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
[WorkItem(37779, "https://github.com/dotnet/roslyn/issues/37779")]
public void AnalyzerConfigSeverityEscalationToErrorDoesNotEmit(bool analyzerConfigSetToError)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
int _f; // CS0169: unused field
}");
var docName = "temp.xml";
var pdbName = "temp.pdb";
var additionalArgs = new[] { $"/doc:{docName}", $"/pdb:{pdbName}", "/debug" };
if (analyzerConfigSetToError)
{
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
dotnet_diagnostic.cs0169.severity = error");
additionalArgs = additionalArgs.Append("/analyzerconfig:" + analyzerConfig.Path).ToArray();
}
var expectedErrorCount = analyzerConfigSetToError ? 1 : 0;
var expectedWarningCount = !analyzerConfigSetToError ? 1 : 0;
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false,
additionalArgs,
expectedErrorCount: expectedErrorCount,
expectedWarningCount: expectedWarningCount);
var expectedOutput = analyzerConfigSetToError ? "error CS0169" : "warning CS0169";
Assert.Contains(expectedOutput, output);
string binaryPath = Path.Combine(dir.Path, "temp.dll");
Assert.True(File.Exists(binaryPath) == !analyzerConfigSetToError);
string pdbPath = Path.Combine(dir.Path, pdbName);
Assert.True(File.Exists(pdbPath) == !analyzerConfigSetToError);
string xmlDocFilePath = Path.Combine(dir.Path, docName);
Assert.True(File.Exists(xmlDocFilePath) == !analyzerConfigSetToError);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
[WorkItem(37779, "https://github.com/dotnet/roslyn/issues/37779")]
public void RulesetSeverityEscalationToErrorDoesNotEmit(bool rulesetSetToError)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
int _f; // CS0169: unused field
}");
var docName = "temp.xml";
var pdbName = "temp.pdb";
var additionalArgs = new[] { $"/doc:{docName}", $"/pdb:{pdbName}", "/debug" };
if (rulesetSetToError)
{
string source = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""12.0"">
<Rules AnalyzerId=""Microsoft.CodeAnalysis"" RuleNamespace=""Microsoft.CodeAnalysis"">
<Rule Id=""CS0169"" Action=""Error"" />
</Rules>
</RuleSet>
";
var rulesetFile = CreateRuleSetFile(source);
additionalArgs = additionalArgs.Append("/ruleset:" + rulesetFile.Path).ToArray();
}
var expectedErrorCount = rulesetSetToError ? 1 : 0;
var expectedWarningCount = !rulesetSetToError ? 1 : 0;
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false,
additionalArgs,
expectedErrorCount: expectedErrorCount,
expectedWarningCount: expectedWarningCount);
var expectedOutput = rulesetSetToError ? "error CS0169" : "warning CS0169";
Assert.Contains(expectedOutput, output);
string binaryPath = Path.Combine(dir.Path, "temp.dll");
Assert.True(File.Exists(binaryPath) == !rulesetSetToError);
string pdbPath = Path.Combine(dir.Path, pdbName);
Assert.True(File.Exists(pdbPath) == !rulesetSetToError);
string xmlDocFilePath = Path.Combine(dir.Path, docName);
Assert.True(File.Exists(xmlDocFilePath) == !rulesetSetToError);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
[WorkItem(37779, "https://github.com/dotnet/roslyn/issues/37779")]
public void AnalyzerWarnAsErrorDoesNotEmit(bool warnAsError)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("class C { }");
var additionalArgs = warnAsError ? new[] { "/warnaserror" } : null;
var expectedErrorCount = warnAsError ? 1 : 0;
var expectedWarningCount = !warnAsError ? 1 : 0;
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false,
additionalArgs,
expectedErrorCount: expectedErrorCount,
expectedWarningCount: expectedWarningCount,
analyzers: new[] { new WarningDiagnosticAnalyzer() });
var expectedDiagnosticSeverity = warnAsError ? "error" : "warning";
Assert.Contains($"{expectedDiagnosticSeverity} {WarningDiagnosticAnalyzer.Warning01.Id}", output);
string binaryPath = Path.Combine(dir.Path, "temp.dll");
Assert.True(File.Exists(binaryPath) == !warnAsError);
}
// Currently, configuring no location diagnostics through editorconfig is not supported.
[Theory(Skip = "https://github.com/dotnet/roslyn/issues/38042")]
[CombinatorialData]
public void AnalyzerConfigRespectedForNoLocationDiagnostic(ReportDiagnostic reportDiagnostic, bool isEnabledByDefault, bool noWarn, bool errorlog)
{
var analyzer = new AnalyzerWithNoLocationDiagnostics(isEnabledByDefault);
TestAnalyzerConfigRespectedCore(analyzer, analyzer.Descriptor, reportDiagnostic, noWarn, errorlog, customConfigurable: false);
}
[WorkItem(37876, "https://github.com/dotnet/roslyn/issues/37876")]
[Theory]
[CombinatorialData]
public void AnalyzerConfigRespectedForDisabledByDefaultDiagnostic(ReportDiagnostic analyzerConfigSeverity, bool isEnabledByDefault, bool noWarn, bool errorlog, bool customConfigurable)
{
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault, defaultSeverity: DiagnosticSeverity.Warning, customConfigurable, throwOnAllNamedTypes: false);
TestAnalyzerConfigRespectedCore(analyzer, analyzer.Descriptor, analyzerConfigSeverity, noWarn, errorlog, customConfigurable);
}
private void TestAnalyzerConfigRespectedCore(DiagnosticAnalyzer analyzer, DiagnosticDescriptor descriptor, ReportDiagnostic analyzerConfigSeverity, bool noWarn, bool errorlog, bool customConfigurable)
{
if (analyzerConfigSeverity == ReportDiagnostic.Default)
{
// "dotnet_diagnostic.ID.severity = default" is not supported.
return;
}
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"class C { }");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText($@"
[*.cs]
dotnet_diagnostic.{descriptor.Id}.severity = {analyzerConfigSeverity.ToAnalyzerConfigString()}");
// Severity of 'CustomSeverityConfigurable' diagnostics should not be affected by editorconfig entries.
if (customConfigurable)
analyzerConfigSeverity = DiagnosticDescriptor.MapSeverityToReport(descriptor.DefaultSeverity);
var arguments = new[] {
"/nologo",
"/t:library",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path };
if (noWarn)
{
arguments = arguments.Append($"/nowarn:{descriptor.Id}");
}
if (errorlog)
{
arguments = arguments.Append($"/errorlog:errorlog");
}
var cmd = CreateCSharpCompiler(null, dir.Path, arguments,
analyzers: new[] { analyzer });
Assert.Equal(analyzerConfig.Path, Assert.Single(cmd.Arguments.AnalyzerConfigPaths));
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
var expectedErrorCode = !noWarn && analyzerConfigSeverity == ReportDiagnostic.Error ? 1 : 0;
Assert.Equal(expectedErrorCode, exitCode);
// NOTE: Info diagnostics are only logged on command line when /errorlog is specified. See https://github.com/dotnet/roslyn/issues/42166 for details.
if (!noWarn &&
(analyzerConfigSeverity == ReportDiagnostic.Error ||
analyzerConfigSeverity == ReportDiagnostic.Warn ||
(analyzerConfigSeverity == ReportDiagnostic.Info && errorlog)))
{
var prefix = analyzerConfigSeverity == ReportDiagnostic.Error ? "error" : analyzerConfigSeverity == ReportDiagnostic.Warn ? "warning" : "info";
Assert.Contains($"{prefix} {descriptor.Id}: {descriptor.MessageFormat}", outWriter.ToString());
}
else
{
Assert.DoesNotContain(descriptor.Id.ToString(), outWriter.ToString());
}
}
[Fact]
[WorkItem(3705, "https://github.com/dotnet/roslyn/issues/3705")]
public void IsUserConfiguredGeneratedCodeInAnalyzerConfig()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
void M(C? c)
{
_ = c.ToString(); // warning CS8602: Dereference of a possibly null reference.
}
}");
var output = VerifyOutput(dir, src, additionalFlags: new[] { "/nullable" }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
// warning CS8602: Dereference of a possibly null reference.
Assert.Contains("warning CS8602", output, StringComparison.Ordinal);
// generated_code = true
var analyzerConfigFile = dir.CreateFile(".editorconfig");
var analyzerConfig = analyzerConfigFile.WriteAllText(@"
[*.cs]
generated_code = true");
output = VerifyOutput(dir, src, additionalFlags: new[] { "/nullable", "/analyzerconfig:" + analyzerConfig.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.DoesNotContain("warning CS8602", output, StringComparison.Ordinal);
// warning CS8669: The annotation for nullable reference types should only be used in code within a '#nullable' annotations context. Auto-generated code requires an explicit '#nullable' directive in source.
Assert.Contains("warning CS8669", output, StringComparison.Ordinal);
// generated_code = false
analyzerConfig = analyzerConfigFile.WriteAllText(@"
[*.cs]
generated_code = false");
output = VerifyOutput(dir, src, additionalFlags: new[] { "/nullable", "/analyzerconfig:" + analyzerConfig.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
// warning CS8602: Dereference of a possibly null reference.
Assert.Contains("warning CS8602", output, StringComparison.Ordinal);
// generated_code = auto
analyzerConfig = analyzerConfigFile.WriteAllText(@"
[*.cs]
generated_code = auto");
output = VerifyOutput(dir, src, additionalFlags: new[] { "/nullable", "/analyzerconfig:" + analyzerConfig.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
// warning CS8602: Dereference of a possibly null reference.
Assert.Contains("warning CS8602", output, StringComparison.Ordinal);
}
[WorkItem(42166, "https://github.com/dotnet/roslyn/issues/42166")]
[CombinatorialData, Theory]
public void TestAnalyzerFilteringBasedOnSeverity(DiagnosticSeverity defaultSeverity, bool errorlog, bool customConfigurable)
{
// This test verifies that analyzer execution is skipped at build time for the following:
// 1. Analyzer reporting Hidden diagnostics
// 2. Analyzer reporting Info diagnostics, when /errorlog is not specified
// However, an analyzer that reports diagnostics with "CustomSeverityConfigurable" tag should never be skipped for execution.
var analyzerShouldBeSkipped = (defaultSeverity == DiagnosticSeverity.Hidden ||
defaultSeverity == DiagnosticSeverity.Info && !errorlog) && !customConfigurable;
// We use an analyzer that throws an exception on every analyzer callback.
// So an AD0001 analyzer exception diagnostic is reported if analyzer executed, otherwise not.
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity, customConfigurable, throwOnAllNamedTypes: true);
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"class C { }");
var args = new[] { "/nologo", "/t:library", "/preferreduilang:en", src.Path };
if (errorlog)
args = args.Append("/errorlog:errorlog");
var cmd = CreateCSharpCompiler(null, dir.Path, args, analyzers: new[] { analyzer });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
var output = outWriter.ToString();
if (analyzerShouldBeSkipped)
{
Assert.Empty(output);
}
else
{
Assert.Contains("warning AD0001: Analyzer 'Microsoft.CodeAnalysis.CommonDiagnosticAnalyzers+NamedTypeAnalyzerWithConfigurableEnabledByDefault' threw an exception of type 'System.NotImplementedException'",
output, StringComparison.Ordinal);
}
}
[WorkItem(47017, "https://github.com/dotnet/roslyn/issues/47017")]
[CombinatorialData, Theory]
public void TestWarnAsErrorMinusDoesNotEnableDisabledByDefaultAnalyzers(DiagnosticSeverity defaultSeverity, bool isEnabledByDefault, bool customConfigurable)
{
// This test verifies that '/warnaserror-:DiagnosticId' does not affect if analyzers are executed or skipped..
// Setup the analyzer to always throw an exception on analyzer callbacks for cases where we expect analyzer execution to be skipped:
// 1. Disabled by default analyzer, i.e. 'isEnabledByDefault == false'.
// 2. Default severity Hidden/Info: We only execute analyzers reporting Warning/Error severity diagnostics on command line builds.
// However, an analyzer reporting diagnostics with "CustomSeverityConfigurable" tag should never be skipped for execution.
var analyzerShouldBeSkipped = (!isEnabledByDefault ||
defaultSeverity is DiagnosticSeverity.Hidden or DiagnosticSeverity.Info) && !customConfigurable;
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault, defaultSeverity, customConfigurable, throwOnAllNamedTypes: analyzerShouldBeSkipped);
var diagnosticId = analyzer.Descriptor.Id;
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"class C { }");
// Verify '/warnaserror-:DiagnosticId' behavior.
var args = new[] { "/warnaserror+", $"/warnaserror-:{diagnosticId}", "/nologo", "/t:library", "/preferreduilang:en", src.Path };
var cmd = CreateCSharpCompiler(null, dir.Path, args, analyzers: new[] { analyzer });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
var expectedExitCode = !analyzerShouldBeSkipped && defaultSeverity == DiagnosticSeverity.Error ? 1 : 0;
Assert.Equal(expectedExitCode, exitCode);
var output = outWriter.ToString();
if (analyzerShouldBeSkipped || customConfigurable && defaultSeverity is DiagnosticSeverity.Hidden or DiagnosticSeverity.Info)
{
Assert.Empty(output);
}
else
{
var prefix = defaultSeverity == DiagnosticSeverity.Warning ? "warning" : "error";
Assert.Contains($"{prefix} {diagnosticId}: {analyzer.Descriptor.MessageFormat}", output);
}
}
[WorkItem(49446, "https://github.com/dotnet/roslyn/issues/49446")]
[Theory]
// Verify '/warnaserror-:ID' prevents escalation to 'Error' when config file bumps severity to 'Warning'
[InlineData(false, false, DiagnosticSeverity.Info, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Info, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Warning)]
[InlineData(false, true, DiagnosticSeverity.Info, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Info, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Warning)]
// Verify '/warnaserror-:ID' prevents escalation to 'Error' when custom configured analyzer bumps severity to 'Warning'
[InlineData(false, false, DiagnosticSeverity.Info, null, DiagnosticSeverity.Warning, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Info, null, DiagnosticSeverity.Warning, DiagnosticSeverity.Warning)]
[InlineData(false, true, DiagnosticSeverity.Info, null, DiagnosticSeverity.Warning, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Info, null, DiagnosticSeverity.Warning, DiagnosticSeverity.Warning)]
// Verify '/warnaserror-:ID' prevents escalation to 'Error' when default severity is 'Warning' and no config file or custom configured setting is specified.
[InlineData(false, false, DiagnosticSeverity.Warning, null, null, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Warning, null, null, DiagnosticSeverity.Warning)]
[InlineData(false, true, DiagnosticSeverity.Warning, null, null, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Warning, null, null, DiagnosticSeverity.Warning)]
// Verify '/warnaserror-:ID' prevents escalation to 'Error' when default severity is 'Warning' and config file bumps severity to 'Error'
[InlineData(false, false, DiagnosticSeverity.Warning, DiagnosticSeverity.Error, null, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Warning, DiagnosticSeverity.Error, null, DiagnosticSeverity.Warning)]
[InlineData(false, true, DiagnosticSeverity.Warning, DiagnosticSeverity.Error, null, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Warning, DiagnosticSeverity.Error, null, DiagnosticSeverity.Warning)]
// Verify '/warnaserror-:ID' has no effect when default severity is 'Info' and config file bumps severity to 'Error'
[InlineData(false, false, DiagnosticSeverity.Info, DiagnosticSeverity.Error, null, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Info, DiagnosticSeverity.Error, null, DiagnosticSeverity.Error)]
[InlineData(false, true, DiagnosticSeverity.Info, DiagnosticSeverity.Error, null, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Info, DiagnosticSeverity.Error, null, DiagnosticSeverity.Error)]
// Verify '/warnaserror-:ID' has no effect when default severity is 'Info' or 'Warning' and custom configured severity is 'Error'
[InlineData(false, false, DiagnosticSeverity.Info, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Info, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(false, true, DiagnosticSeverity.Info, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Info, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(false, false, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(true, false, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(false, true, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
[InlineData(true, true, DiagnosticSeverity.Warning, null, DiagnosticSeverity.Error, DiagnosticSeverity.Error)]
public void TestWarnAsErrorMinusDoesNotNullifyEditorConfig(
bool warnAsErrorMinus,
bool useGlobalConfig,
DiagnosticSeverity defaultSeverity,
DiagnosticSeverity? severityInConfigFile,
DiagnosticSeverity? customConfiguredSeverityByAnalyzer,
DiagnosticSeverity expectedEffectiveSeverity)
{
var customConfigurable = customConfiguredSeverityByAnalyzer.HasValue;
var reportedSeverity = customConfiguredSeverityByAnalyzer ?? defaultSeverity;
var analyzer = new NamedTypeAnalyzerWithConfigurableEnabledByDefault(isEnabledByDefault: true, defaultSeverity, reportedSeverity, customConfigurable, throwOnAllNamedTypes: false);
var diagnosticId = analyzer.Descriptor.Id;
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"class C { }");
var additionalFlags = new[] { "/warnaserror+" };
if (severityInConfigFile.HasValue)
{
var severityString = DiagnosticDescriptor.MapSeverityToReport(severityInConfigFile.Value).ToAnalyzerConfigString();
TempFile analyzerConfig;
if (useGlobalConfig)
{
analyzerConfig = dir.CreateFile(".globalconfig").WriteAllText($@"
is_global = true
dotnet_diagnostic.{diagnosticId}.severity = {severityString}");
}
else
{
analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText($@"
[*.cs]
dotnet_diagnostic.{diagnosticId}.severity = {severityString}");
}
additionalFlags = additionalFlags.Append($"/analyzerconfig:{analyzerConfig.Path}").ToArray();
}
if (warnAsErrorMinus)
{
additionalFlags = additionalFlags.Append($"/warnaserror-:{diagnosticId}").ToArray();
}
int expectedWarningCount = 0, expectedErrorCount = 0;
switch (expectedEffectiveSeverity)
{
case DiagnosticSeverity.Warning:
expectedWarningCount = 1;
break;
case DiagnosticSeverity.Error:
expectedErrorCount = 1;
break;
default:
throw ExceptionUtilities.UnexpectedValue(expectedEffectiveSeverity);
}
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false,
expectedWarningCount: expectedWarningCount,
expectedErrorCount: expectedErrorCount,
additionalFlags: additionalFlags,
analyzers: new[] { analyzer });
}
[Fact]
public void SourceGenerators_EmbeddedSources()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/debug:embedded", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(dir.Path, generator);
ValidateEmbeddedSources_Portable(new Dictionary<string, string> { { Path.Combine(dir.Path, generatorPrefix, $"generatedSource.cs"), generatedSource } }, dir, true);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Theory, CombinatorialData]
[WorkItem(40926, "https://github.com/dotnet/roslyn/issues/40926")]
public void TestSourceGeneratorsWithAnalyzers(bool includeCurrentAssemblyAsAnalyzerReference, bool skipAnalyzers)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
// 'skipAnalyzers' should have no impact on source generator execution, but should prevent analyzer execution.
var skipAnalyzersFlag = "/skipAnalyzers" + (skipAnalyzers ? "+" : "-");
// Verify analyzers were executed only if both the following conditions were satisfied:
// 1. Current assembly was added as an analyzer reference, i.e. "includeCurrentAssemblyAsAnalyzerReference = true" and
// 2. We did not explicitly request skipping analyzers, i.e. "skipAnalyzers = false".
var expectedAnalyzerExecution = includeCurrentAssemblyAsAnalyzerReference && !skipAnalyzers;
// 'WarningDiagnosticAnalyzer' generates a warning for each named type.
// We expect two warnings for this test: type "C" defined in source and the source generator defined type.
// Additionally, we also have an analyzer that generates "warning CS8032: An instance of analyzer cannot be created"
// CS8032 is generated with includeCurrentAssemblyAsAnalyzerReference even when we are skipping analyzers as we will instantiate all analyzers, just not execute them.
var expectedWarningCount = expectedAnalyzerExecution ? 3 : (includeCurrentAssemblyAsAnalyzerReference ? 1 : 0);
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference,
expectedWarningCount: expectedWarningCount,
additionalFlags: new[] { "/debug:embedded", "/out:embed.exe", skipAnalyzersFlag },
generators: new[] { generator });
// Verify source generator was executed, regardless of the value of 'skipAnalyzers'.
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(dir.Path, generator);
ValidateEmbeddedSources_Portable(new Dictionary<string, string> { { Path.Combine(dir.Path, generatorPrefix, "generatedSource.cs"), generatedSource } }, dir, true);
if (expectedAnalyzerExecution)
{
Assert.Contains("warning Warning01", output, StringComparison.Ordinal);
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
}
else if (includeCurrentAssemblyAsAnalyzerReference)
{
Assert.Contains("warning CS8032", output, StringComparison.Ordinal);
}
else
{
Assert.Empty(output);
}
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
}
[Theory]
[InlineData("partial class D {}", "file1.cs", "partial class E {}", "file2.cs")] // different files, different names
[InlineData("partial class D {}", "file1.cs", "partial class E {}", "file1.cs")] // different files, same names
[InlineData("partial class D {}", "file1.cs", "partial class D {}", "file2.cs")] // same files, different names
[InlineData("partial class D {}", "file1.cs", "partial class D {}", "file1.cs")] // same files, same names
[InlineData("partial class D {}", "file1.cs", "", "file2.cs")] // empty second file
public void SourceGenerators_EmbeddedSources_MultipleFiles(string source1, string source1Name, string source2, string source2Name)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generator = new SingleFileTestGenerator(source1, source1Name);
var generator2 = new SingleFileTestGenerator2(source2, source2Name);
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/debug:embedded", "/out:embed.exe" }, generators: new[] { generator, generator2 }, analyzers: null);
var generator1Prefix = GeneratorDriver.GetFilePathPrefixForGenerator(dir.Path, generator);
var generator2Prefix = GeneratorDriver.GetFilePathPrefixForGenerator(dir.Path, generator2);
ValidateEmbeddedSources_Portable(new Dictionary<string, string>
{
{ Path.Combine(dir.Path, generator1Prefix, source1Name), source1},
{ Path.Combine(dir.Path, generator2Prefix, source2Name), source2},
}, dir, true);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void SourceGenerators_ChecksumAlgorithm()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs");
src.WriteAllText("class C { }");
var genPath1 = Path.Combine(dir.Path, "Microsoft.CodeAnalysis.Test.Utilities", "Roslyn.Test.Utilities.TestGenerators.TestSourceGenerator", "hint1.cs");
var genPath2 = Path.Combine(dir.Path, "Microsoft.CodeAnalysis.Test.Utilities", "Roslyn.Test.Utilities.TestGenerators.TestSourceGenerator", "hint2.cs");
var generator = new TestSourceGenerator()
{
ExecuteImpl = context =>
{
context.AddSource("hint1", "class G1 { void F() {} }");
context.AddSource("hint2", SourceText.From("class G2 { void F() {} }", Encoding.UTF8, checksumAlgorithm: SourceHashAlgorithm.Sha1));
}
};
VerifyOutput(
dir,
src,
includeCurrentAssemblyAsAnalyzerReference: false,
additionalFlags: new[] { "/langversion:preview", "/out:checksum.exe", "/pdb:checksum.pdb", "/debug:portable", "/checksumAlgorithm:SHA256" },
generators: new[] { generator },
analyzers: null);
using (Stream peStream = File.OpenRead(Path.Combine(dir.Path, "checksum.exe")), pdbStream = File.OpenRead(Path.Combine(dir.Path, "checksum.pdb")))
{
// TOOD: /checksumAlgorithm setting should override any checksum algorithms set by the generators:
PdbValidation.VerifyPdb(peStream, pdbStream, $@"
<symbols>
<files>
<file id=""1"" name=""{src.Path}"" language=""C#"" checksumAlgorithm=""SHA256"" checksum=""A0-78-BB-A8-E8-B1-E1-3B-E8-63-80-7D-CE-CC-4B-0D-14-EF-06-D3-9B-14-52-E1-95-C6-64-D1-36-EC-7C-25"" />
<file id=""2"" name=""{genPath1}"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""D8-87-89-A3-FE-EA-FD-AB-49-31-5A-25-B0-05-6B-6F-00-00-C2-DD""><![CDATA[class G1 {{ void F() {{}} }}]]></file>
<file id=""3"" name=""{genPath2}"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""F1-D0-FD-F0-08-9F-1B-32-9F-EF-41-A1-58-A3-14-FF-E8-06-A8-38""><![CDATA[class G2 {{ void F() {{}} }}]]></file>
</files>
</symbols>", PdbValidationOptions.ExcludeMethods);
}
Directory.Delete(dir.Path, true);
}
[Theory]
[InlineData("generatedSource.cs", "", "generatedSource.cs")]
[InlineData("..", "", "...cs")]
[InlineData(".", "", "..cs")]
[InlineData("abc/", "abc", ".cs")]
[InlineData("abc\\", "abc", ".cs")]
[InlineData("abc/ ", "abc", " .cs")]
[InlineData("a/b/c", "a/b", "c.cs")]
[InlineData("a/b\\c", "a/b", "c.cs")]
[InlineData("a\\b\\c", "a/b", "c.cs")]
[InlineData(" abc ", "", " abc .cs")]
[InlineData(" abc/generated.cs", " abc", "generated.cs")]
[InlineData(" abc\\generated.cs", " abc", "generated.cs")]
[InlineData(" a/ b/ generated.cs", " a/ b", " generated.cs")]
[InlineData(" a\\ b\\ generated.cs", " a/ b", " generated.cs")]
public void SourceGenerators_WriteGeneratedSources(string hintName, string expectedDir, string expectedFileName)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDir = dir.CreateDirectory("generated");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, hintName);
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(generatedDir.Path, generator);
ValidateWrittenSources(new()
{
{ Path.Combine(generatedDir.Path, generatorPrefix, expectedDir), new() { { expectedFileName, generatedSource } } }
});
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void SourceGenerators_OverwriteGeneratedSources()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDir = dir.CreateDirectory("generated");
var generatedSource1 = "class D { } class E { }";
var generator1 = new SingleFileTestGenerator(generatedSource1, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator1 }, analyzers: null);
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(generatedDir.Path, generator1);
ValidateWrittenSources(new() { { Path.Combine(generatedDir.Path, generatorPrefix), new() { { "generatedSource.cs", generatedSource1 } } } });
var generatedSource2 = "public class D { }";
var generator2 = new SingleFileTestGenerator(generatedSource2, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator2 }, analyzers: null);
ValidateWrittenSources(new() { { Path.Combine(generatedDir.Path, generatorPrefix), new() { { "generatedSource.cs", generatedSource2 } } } });
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Theory]
[InlineData("partial class D {}", "file1.cs", "partial class E {}", "file2.cs")] // different files, different names
[InlineData("partial class D {}", "file1.cs", "partial class E {}", "file1.cs")] // different files, same names
[InlineData("partial class D {}", "file1.cs", "partial class D {}", "file2.cs")] // same files, different names
[InlineData("partial class D {}", "file1.cs", "partial class D {}", "file1.cs")] // same files, same names
[InlineData("partial class D {}", "file1.cs", "", "file2.cs")] // empty second file
public void SourceGenerators_WriteGeneratedSources_MultipleFiles(string source1, string source1Name, string source2, string source2Name)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDir = dir.CreateDirectory("generated");
var generator = new SingleFileTestGenerator(source1, source1Name);
var generator2 = new SingleFileTestGenerator2(source2, source2Name);
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator, generator2 }, analyzers: null);
var generator1Prefix = GeneratorDriver.GetFilePathPrefixForGenerator(generatedDir.Path, generator);
var generator2Prefix = GeneratorDriver.GetFilePathPrefixForGenerator(generatedDir.Path, generator2);
ValidateWrittenSources(new()
{
{ generator1Prefix, new() { { source1Name, source1 } } },
{ generator2Prefix, new() { { source2Name, source2 } } }
});
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Theory]
[InlineData("subdir")]
[InlineData("a/b/c")]
[InlineData("a\\b\\c", "a/b/c")]
[InlineData(" subdir")]
[InlineData(" a/ b/ c")]
[InlineData(" a\\ b/ c", " a/ b/ c")]
[InlineData("abc/")]
public void SourceGenerators_WriteGeneratedSources_WithDirectories(string subdir, string expectedDir = null)
{
expectedDir ??= subdir;
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("""
class C
{
}
""");
var generatedDir = dir.CreateDirectory("generated");
var generatedSource = "public class D { }";
var generatedFileName = "generatedSource.cs";
var generatedPath = Path.Combine(subdir, generatedFileName);
var generator = new SingleFileTestGenerator(generatedSource, generatedPath);
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(generatedDir.Path, generator);
ValidateWrittenSources(new()
{
{ Path.Combine(generatedDir.Path, generatorPrefix, expectedDir), new() { { generatedFileName, generatedSource } } }
});
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[ConditionalFact(typeof(DesktopClrOnly))] //CoreCLR doesn't support SxS loading
[WorkItem(47990, "https://github.com/dotnet/roslyn/issues/47990")]
public void SourceGenerators_SxS_AssemblyLoading()
{
// compile the generators
var dir = Temp.CreateDirectory();
var snk = Temp.CreateFile("TestKeyPair_", ".snk", dir.Path).WriteAllBytes(TestResources.General.snKey);
var src = dir.CreateFile("generator.cs");
var virtualSnProvider = new DesktopStrongNameProvider(ImmutableArray.Create(dir.Path));
string createGenerator(string version)
{
var generatorSource = $@"
using Microsoft.CodeAnalysis;
[assembly:System.Reflection.AssemblyVersion(""{version}"")]
[Generator]
public class TestGenerator : ISourceGenerator
{{
public void Execute(GeneratorExecutionContext context) {{ context.AddSource(""generatedSource.cs"", ""//from version {version}""); }}
public void Initialize(GeneratorInitializationContext context) {{ }}
}}";
var path = Path.Combine(dir.Path, Guid.NewGuid().ToString() + ".dll");
var comp = CreateEmptyCompilation(source: generatorSource,
references: TargetFrameworkUtil.NetStandard20References.Add(MetadataReference.CreateFromAssemblyInternal(typeof(ISourceGenerator).Assembly)),
options: TestOptions.DebugDll.WithCryptoKeyFile(Path.GetFileName(snk.Path)).WithStrongNameProvider(virtualSnProvider),
assemblyName: "generator");
comp.VerifyDiagnostics();
comp.Emit(path);
return path;
}
var gen1 = createGenerator("1.0.0.0");
var gen2 = createGenerator("2.0.0.0");
var generatedDir = dir.CreateDirectory("generated");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/analyzer:" + gen1, "/analyzer:" + gen2 }.ToArray());
// This is wrong! Both generators are writing the same file out, over the top of each other
// See https://github.com/dotnet/roslyn/issues/47990
ValidateWrittenSources(new()
{
// { Path.Combine(generatedDir.Path, "generator", "TestGenerator"), new() { { "generatedSource.cs", "//from version 1.0.0.0" } } },
{ Path.Combine(generatedDir.Path, "generator", "TestGenerator"), new() { { "generatedSource.cs", "//from version 2.0.0.0" } } }
});
}
[Fact]
public void SourceGenerators_DoNotWriteGeneratedSources_When_No_Directory_Supplied()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDir = dir.CreateDirectory("generated");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
ValidateWrittenSources(new() { { generatedDir.Path, new() } });
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void SourceGenerators_Error_When_GeneratedDir_NotExist()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDirPath = Path.Combine(dir.Path, "noexist");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
var output = VerifyOutput(dir, src, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDirPath, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
Assert.Contains("CS0016:", output);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void SourceGenerators_GeneratedDir_Has_Spaces()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDir = dir.CreateDirectory("generated files");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(generatedDir.Path, generator);
ValidateWrittenSources(new() { { Path.Combine(generatedDir.Path, generatorPrefix), new() { { "generatedSource.cs", generatedSource } } } });
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void ParseGeneratedFilesOut()
{
string root = PathUtilities.IsUnixLikePlatform ? "/" : "c:\\";
string baseDirectory = Path.Combine(root, "abc", "def");
var parsedArgs = DefaultParse(new[] { @"/generatedfilesout:", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for '/generatedfilesout:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/generatedfilesout:"));
Assert.Null(parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { @"/generatedfilesout:""""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify(
// error CS2006: Command-line syntax error: Missing '<text>' for '/generatedfilesout:' option
Diagnostic(ErrorCode.ERR_SwitchNeedsString).WithArguments("<text>", "/generatedfilesout:\"\""));
Assert.Null(parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { @"/generatedfilesout:outdir", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(baseDirectory, "outdir"), parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { @"/generatedfilesout:""outdir""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(baseDirectory, "outdir"), parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { @"/generatedfilesout:out dir", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(baseDirectory, "out dir"), parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { @"/generatedfilesout:""out dir""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(Path.Combine(baseDirectory, "out dir"), parsedArgs.GeneratedFilesOutputDirectory);
var absPath = Path.Combine(root, "outdir");
parsedArgs = DefaultParse(new[] { $@"/generatedfilesout:{absPath}", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(absPath, parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { $@"/generatedfilesout:""{absPath}""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(absPath, parsedArgs.GeneratedFilesOutputDirectory);
absPath = Path.Combine(root, "generated files");
parsedArgs = DefaultParse(new[] { $@"/generatedfilesout:{absPath}", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(absPath, parsedArgs.GeneratedFilesOutputDirectory);
parsedArgs = DefaultParse(new[] { $@"/generatedfilesout:""{absPath}""", "a.cs" }, baseDirectory);
parsedArgs.Errors.Verify();
Assert.Equal(absPath, parsedArgs.GeneratedFilesOutputDirectory);
}
[Fact]
public void SourceGenerators_Error_When_NoDirectoryArgumentGiven()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var output = VerifyOutput(dir, src, expectedErrorCount: 2, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:", "/langversion:preview", "/out:embed.exe" });
Assert.Contains("error CS2006: Command-line syntax error: Missing '<text>' for '/generatedfilesout:' option", output);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void SourceGenerators_ReportedWrittenFiles_To_TouchedFilesLogger()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var generatedDir = dir.CreateDirectory("generated");
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/generatedfilesout:" + generatedDir.Path, $"/touchedfiles:{dir.Path}/touched", "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
var touchedFiles = Directory.GetFiles(dir.Path, "touched*");
Assert.Equal(2, touchedFiles.Length);
string[] writtenText = File.ReadAllLines(Path.Combine(dir.Path, "touched.write"));
Assert.Equal(2, writtenText.Length);
Assert.EndsWith("EMBED.EXE", writtenText[0], StringComparison.OrdinalIgnoreCase);
Assert.EndsWith("GENERATEDSOURCE.CS", writtenText[1], StringComparison.OrdinalIgnoreCase);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void Interceptors_RelativePath_GeneratedFiles_EndToEnd()
{
var dir = Temp.CreateDirectory();
var srcDir = dir.CreateDirectory("src");
var src = srcDir.CreateFile("Program.cs").WriteAllText("""
class Program
{
static void Main()
{
M();
}
public static void M() => throw null!;
}
""");
// final path will look like:
// 'TempDir/{assemblyName}/{generatorName}/Generated.cs'
// Note that generator will have access to the full path of the generated file, before adding it to the compilation
// additionally we plan to add public API to determine a "correct relative path" to use here without any additional tricks
var generatedSource = """
using System.Runtime.CompilerServices;
using System;
namespace Generated
{
static class Interceptors
{
[InterceptsLocation("../../src/Program.cs", 5, 9)]
public static void M1() => Console.Write(1);
}
}
namespace System.Runtime.CompilerServices
{
[AttributeUsage(AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
public sealed class InterceptsLocationAttribute : Attribute
{
public InterceptsLocationAttribute(string filePath, int line, int character)
{
}
}
}
""";
var generator = new SingleFileTestGenerator(generatedSource, "Generated.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: ["/langversion:preview", "/out:embed.exe", "/features:InterceptorsNamespaces=Generated"], generators: [generator], analyzers: null);
ValidateWrittenSources([]);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
public void Interceptors_RelativePath_GeneratedFiles_EndToEnd_OutputDirectoryNested()
{
// Demonstrates the difference between defaulting the generated files base path to 'Arguments.OutputDirectory'
// versus 'Arguments.BaseDirectory' (which occurs implicitly for relative paths in command line arguments)
var dir = Temp.CreateDirectory();
var srcDir = dir.CreateDirectory("src");
var src = srcDir.CreateFile("Program.cs").WriteAllText("""
class Program
{
static void Main()
{
M();
}
public static void M() => throw null!;
}
""");
// final path will look like:
// 'TempDir/obj/{assemblyName}/{generatorName}/Generated.cs'
// Note that generator will have access to the full path of the generated file, before adding it to the compilation
// additionally we plan to add public API to determine a "correct relative path" to use here without any additional tricks
var generatedSource = """
using System.Runtime.CompilerServices;
using System;
namespace Generated
{
static class Interceptors
{
[InterceptsLocation("../../../src/Program.cs", 5, 9)]
public static void M1() => Console.Write(1);
}
}
namespace System.Runtime.CompilerServices
{
[AttributeUsage(AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
public sealed class InterceptsLocationAttribute : Attribute
{
public InterceptsLocationAttribute(string filePath, int line, int character)
{
}
}
}
""";
var generator = new SingleFileTestGenerator(generatedSource, "Generated.cs");
var objDir = dir.CreateDirectory("obj");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: ["/langversion:preview", $"/out:{objDir.Path}/embed.exe", "/features:InterceptorsNamespaces=Generated"], generators: [generator], analyzers: null);
ValidateWrittenSources([]);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Theory]
[InlineData("")]
[InlineData($"/pathmap:DIRPATH=/_/")]
[InlineData($"/pathmap:SRCDIRPATH=a/,OBJDIRPATH=b/")]
public void Interceptors_RelativePath_GeneratedFiles_EndToEnd_GeneratedFilesOutSpecified(string pathMapArgument)
{
var dir = Temp.CreateDirectory();
var srcDir = dir.CreateDirectory("src");
var src = srcDir.CreateFile("Program.cs").WriteAllText("""
class Program
{
static void Main()
{
M();
}
public static void M() => throw null!;
}
""");
var objDir = dir.CreateDirectory("obj");
// final path will look like:
// 'TempDir/obj/{assemblyName}/{generatorName}/Generated.cs'
// Note that generator will have access to the full path of the generated file, before adding it to the compilation
// additionally we plan to add public API to determine a "correct relative path" to use here without any additional tricks
var generatedSource = """
using System.Runtime.CompilerServices;
using System;
namespace Generated
{
static class Interceptors
{
[InterceptsLocation("../../../src/Program.cs", 5, 9)]
public static void M1() => Console.Write(1);
}
}
namespace System.Runtime.CompilerServices
{
[AttributeUsage(AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
public sealed class InterceptsLocationAttribute : Attribute
{
public InterceptsLocationAttribute(string filePath, int line, int character)
{
}
}
}
""";
var generator = new SingleFileTestGenerator(generatedSource, "Generated.cs");
pathMapArgument = pathMapArgument.Replace("DIRPATH", dir.Path).Replace("SRCDIRPATH", srcDir.Path).Replace("OBJDIRPATH", objDir.Path);
VerifyOutput(
dir,
src,
includeCurrentAssemblyAsAnalyzerReference: false,
additionalFlags: [
"/generatedfilesout:" + objDir.Path,
"/langversion:preview",
"/out:embed.exe",
"/features:InterceptorsNamespaces=Generated",
.. string.IsNullOrEmpty(pathMapArgument) ? default(Span<string>) : [pathMapArgument]
],
generators: [generator],
analyzers: null);
var generatorPrefix = GeneratorDriver.GetFilePathPrefixForGenerator(objDir.Path, generator);
ValidateWrittenSources(new()
{
{ generatorPrefix, new() { { "Generated.cs", generatedSource } } },
});
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[Fact]
[WorkItem(44087, "https://github.com/dotnet/roslyn/issues/44087")]
public void SourceGeneratorsAndAnalyzerConfig()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
key = value");
var generator = new SingleFileTestGenerator("public class D {}", "generated.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/analyzerconfig:" + analyzerConfig.Path }, generators: new[] { generator }, analyzers: null);
}
[Fact]
public void SourceGeneratorsCanReadAnalyzerConfig()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var analyzerConfig1 = dir.CreateFile(".globaleditorconfig").WriteAllText(@"
is_global = true
key1 = value1
[*.cs]
key2 = value2
[*.vb]
key3 = value3");
var analyzerConfig2 = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
key4 = value4
[*.vb]
key5 = value5");
var subDir = dir.CreateDirectory("subDir");
var analyzerConfig3 = subDir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
key6 = value6
[*.vb]
key7 = value7");
var generator = new CallbackGenerator((ic) => { }, (gc) =>
{
// can get the global options
var globalOptions = gc.AnalyzerConfigOptions.GlobalOptions;
Assert.True(globalOptions.TryGetValue("key1", out var keyValue));
Assert.Equal("value1", keyValue);
Assert.False(globalOptions.TryGetValue("key2", out _));
Assert.False(globalOptions.TryGetValue("key3", out _));
Assert.False(globalOptions.TryGetValue("key4", out _));
Assert.False(globalOptions.TryGetValue("key5", out _));
Assert.False(globalOptions.TryGetValue("key6", out _));
Assert.False(globalOptions.TryGetValue("key7", out _));
// can get the options for class C
var classOptions = gc.AnalyzerConfigOptions.GetOptions(gc.Compilation.SyntaxTrees.First());
Assert.True(classOptions.TryGetValue("key1", out keyValue));
Assert.Equal("value1", keyValue);
Assert.False(classOptions.TryGetValue("key2", out _));
Assert.False(classOptions.TryGetValue("key3", out _));
Assert.True(classOptions.TryGetValue("key4", out keyValue));
Assert.Equal("value4", keyValue);
Assert.False(classOptions.TryGetValue("key5", out _));
Assert.False(classOptions.TryGetValue("key6", out _));
Assert.False(classOptions.TryGetValue("key7", out _));
});
var args = new[] {
"/analyzerconfig:" + analyzerConfig1.Path,
"/analyzerconfig:" + analyzerConfig2.Path,
"/analyzerconfig:" + analyzerConfig3.Path,
"/t:library",
src.Path
};
var cmd = CreateCSharpCompiler(null, dir.Path, args, generators: new[] { generator });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
// test for both the original tree and the generated one
var provider = cmd.AnalyzerOptions.AnalyzerConfigOptionsProvider;
// get the global options
var globalOptions = provider.GlobalOptions;
Assert.True(globalOptions.TryGetValue("key1", out var keyValue));
Assert.Equal("value1", keyValue);
Assert.False(globalOptions.TryGetValue("key2", out _));
Assert.False(globalOptions.TryGetValue("key3", out _));
Assert.False(globalOptions.TryGetValue("key4", out _));
Assert.False(globalOptions.TryGetValue("key5", out _));
Assert.False(globalOptions.TryGetValue("key6", out _));
Assert.False(globalOptions.TryGetValue("key7", out _));
// get the options for class C
var classOptions = provider.GetOptions(cmd.Compilation.SyntaxTrees.First());
Assert.True(classOptions.TryGetValue("key1", out keyValue));
Assert.Equal("value1", keyValue);
Assert.False(classOptions.TryGetValue("key2", out _));
Assert.False(classOptions.TryGetValue("key3", out _));
Assert.True(classOptions.TryGetValue("key4", out keyValue));
Assert.Equal("value4", keyValue);
Assert.False(classOptions.TryGetValue("key5", out _));
Assert.False(classOptions.TryGetValue("key6", out _));
Assert.False(classOptions.TryGetValue("key7", out _));
// get the options for generated class D
var generatedOptions = provider.GetOptions(cmd.Compilation.SyntaxTrees.Last());
Assert.True(generatedOptions.TryGetValue("key1", out keyValue));
Assert.Equal("value1", keyValue);
Assert.False(generatedOptions.TryGetValue("key2", out _));
Assert.False(generatedOptions.TryGetValue("key3", out _));
Assert.True(classOptions.TryGetValue("key4", out keyValue));
Assert.Equal("value4", keyValue);
Assert.False(generatedOptions.TryGetValue("key5", out _));
Assert.False(generatedOptions.TryGetValue("key6", out _));
Assert.False(generatedOptions.TryGetValue("key7", out _));
}
internal class FailsExecuteGenerator : ISourceGenerator
{
public void Initialize(GeneratorInitializationContext context) { }
public void Execute(GeneratorExecutionContext context) => throw new System.Exception("THROW");
}
[Fact, WorkItem(65313, "https://github.com/dotnet/roslyn/issues/65313")]
public void FailedGeneratorExecuteWarning_AsError()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("""
class C
{
}
""");
var cmd = CreateCSharpCompiler(null, dir.Path,
new[] { "/t:library", "/nologo", "/warnaserror+", src.Path },
generators: new[] { new FailsExecuteGenerator() });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.StartsWith($"error CS8785: Generator 'FailsExecuteGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'Exception' with message 'THROW'",
outWriter.ToString());
}
[Fact, WorkItem(65313, "https://github.com/dotnet/roslyn/issues/65313")]
public void FailedGeneratorExecuteWarning_Suppressed()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("""
class C
{
}
""");
var cmd = CreateCSharpCompiler(null, dir.Path,
new[] { "/t:library", "/nologo", "/nowarn:CS8785", src.Path },
generators: new[] { new FailsExecuteGenerator() });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
}
internal class FailsInitializeGenerator : ISourceGenerator
{
public void Initialize(GeneratorInitializationContext context) => throw new System.Exception("THROW");
public void Execute(GeneratorExecutionContext context) { }
}
[Fact, WorkItem(65313, "https://github.com/dotnet/roslyn/issues/65313")]
public void FailedGeneratorInitializeWarning_AsError()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("""
class C
{
}
""");
var cmd = CreateCSharpCompiler(null, dir.Path,
new[] { "/t:library", "/nologo", "/warnaserror+", src.Path },
generators: new[] { new FailsInitializeGenerator() });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.StartsWith($"error CS8784: Generator 'FailsInitializeGenerator' failed to initialize. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'Exception' with message 'THROW'",
outWriter.ToString());
}
[Fact, WorkItem(65313, "https://github.com/dotnet/roslyn/issues/65313")]
public void FailedGeneratorInitializeWarning_Suppressed()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText("""
class C
{
}
""");
var cmd = CreateCSharpCompiler(null, dir.Path,
new[] { "/t:library", "/nologo", "/nowarn:CS8784", src.Path },
generators: new[] { new FailsInitializeGenerator() });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
}
[Theory]
[CombinatorialData]
public void SourceGeneratorsRunRegardlessOfLanguageVersion(LanguageVersion version)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"class C {}");
var generator = new CallbackGenerator(i => { }, e => throw null);
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/langversion:" + version.ToDisplayString() }, generators: new[] { generator }, expectedWarningCount: 1, expectedErrorCount: 1, expectedExitCode: 0);
Assert.Contains("CS8785: Generator 'CallbackGenerator' failed to generate source.", output);
}
[Fact]
[WorkItem(59209, "https://github.com/dotnet/roslyn/issues/59209")]
public void SourceGenerators_Binary_Additional_File()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var additionalFile = dir.CreateFile("temp.bin").WriteAllBytes(TestResources.NetFX.Minimal.mincorlib);
var generatedSource = "public class D { }";
var generator = new SingleFileTestGenerator(generatedSource, "generatedSource.cs");
VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/additionalfile:" + additionalFile.Path, "/langversion:preview", "/out:embed.exe" }, generators: new[] { generator }, analyzers: null);
// Clean up temp files
CleanupAllGeneratedFiles(src.Path);
Directory.Delete(dir.Path, true);
}
[DiagnosticAnalyzer(LanguageNames.CSharp)]
private sealed class FieldAnalyzer : DiagnosticAnalyzer
{
private static readonly DiagnosticDescriptor _rule = new DiagnosticDescriptor("Id", "Title", "Message", "Category", DiagnosticSeverity.Warning, isEnabledByDefault: true);
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(_rule);
public override void Initialize(AnalysisContext context)
{
context.RegisterSyntaxNodeAction(AnalyzeFieldDeclaration, SyntaxKind.FieldDeclaration);
}
private static void AnalyzeFieldDeclaration(SyntaxNodeAnalysisContext context)
{
}
}
[Fact]
[WorkItem(44000, "https://github.com/dotnet/roslyn/issues/44000")]
public void TupleField_ForceComplete()
{
var source =
@"namespace System
{
public struct ValueTuple<T1>
{
public T1 Item1;
public ValueTuple(T1 item1)
{
Item1 = item1;
}
}
}";
var srcFile = Temp.CreateFile().WriteAllText(source);
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var csc = CreateCSharpCompiler(
null,
WorkingDirectory,
new[] { "/nologo", "/t:library", srcFile.Path },
analyzers: new[] { new FieldAnalyzer() }); // at least one analyzer required
var exitCode = csc.Run(outWriter);
Assert.Equal(0, exitCode);
var output = outWriter.ToString();
Assert.Empty(output);
CleanupAllGeneratedFiles(srcFile.Path);
}
[Fact]
public void GlobalAnalyzerConfigsAllowedInSameDir()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
int _f;
}");
var configText = @"
is_global = true
";
var analyzerConfig1 = dir.CreateFile("analyzerconfig1").WriteAllText(configText);
var analyzerConfig2 = dir.CreateFile("analyzerconfig2").WriteAllText(configText);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:library",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig1.Path,
"/analyzerconfig:" + analyzerConfig2.Path,
src.Path
});
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
}
[Fact]
public void GlobalAnalyzerConfigMultipleSetKeys()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
}");
var analyzerConfigFile = dir.CreateFile(".globalconfig");
var analyzerConfig = analyzerConfigFile.WriteAllText(@"
is_global = true
global_level = 100
option1 = abc");
var analyzerConfigFile2 = dir.CreateFile(".globalconfig2");
var analyzerConfig2 = analyzerConfigFile2.WriteAllText(@"
is_global = true
global_level = 100
option1 = def");
var output = VerifyOutput(dir, src, additionalFlags: new[] { "/analyzerconfig:" + analyzerConfig.Path + "," + analyzerConfig2.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
// warning MultipleGlobalAnalyzerKeys: Multiple global analyzer config files set the same key 'option1' in section 'Global Section'. It has been unset. Key was set by the following files: ...
Assert.Contains("MultipleGlobalAnalyzerKeys:", output, StringComparison.Ordinal);
Assert.Contains("'option1'", output, StringComparison.Ordinal);
Assert.Contains("'Global Section'", output, StringComparison.Ordinal);
analyzerConfig = analyzerConfigFile.WriteAllText(@"
is_global = true
global_level = 100
[/file.cs]
option1 = abc");
analyzerConfig2 = analyzerConfigFile2.WriteAllText(@"
is_global = true
global_level = 100
[/file.cs]
option1 = def");
output = VerifyOutput(dir, src, additionalFlags: new[] { "/analyzerconfig:" + analyzerConfig.Path + "," + analyzerConfig2.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
// warning MultipleGlobalAnalyzerKeys: Multiple global analyzer config files set the same key 'option1' in section 'file.cs'. It has been unset. Key was set by the following files: ...
Assert.Contains("MultipleGlobalAnalyzerKeys:", output, StringComparison.Ordinal);
Assert.Contains("'option1'", output, StringComparison.Ordinal);
Assert.Contains("'/file.cs'", output, StringComparison.Ordinal);
}
[Fact]
public void GlobalAnalyzerConfigWithOptions()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
}");
var additionalFile = dir.CreateFile("file.txt");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
key1 = value1
[*.txt]
key2 = value2");
var globalConfig = dir.CreateFile(".globalconfig").WriteAllText(@"
is_global = true
key3 = value3");
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:library",
"/analyzerconfig:" + analyzerConfig.Path,
"/analyzerconfig:" + globalConfig.Path,
"/analyzer:" + Assembly.GetExecutingAssembly().Location,
"/nowarn:8032,Warning01",
"/additionalfile:" + additionalFile.Path,
src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal("", outWriter.ToString());
Assert.Equal(0, exitCode);
var comp = cmd.Compilation;
var tree = comp.SyntaxTrees.Single();
var provider = cmd.AnalyzerOptions.AnalyzerConfigOptionsProvider;
var options = provider.GetOptions(tree);
Assert.NotNull(options);
Assert.True(options.TryGetValue("key1", out string val));
Assert.Equal("value1", val);
Assert.False(options.TryGetValue("key2", out _));
Assert.True(options.TryGetValue("key3", out val));
Assert.Equal("value3", val);
options = provider.GetOptions(cmd.AnalyzerOptions.AdditionalFiles.Single());
Assert.NotNull(options);
Assert.False(options.TryGetValue("key1", out _));
Assert.True(options.TryGetValue("key2", out val));
Assert.Equal("value2", val);
Assert.True(options.TryGetValue("key3", out val));
Assert.Equal("value3", val);
options = provider.GlobalOptions;
Assert.NotNull(options);
Assert.False(options.TryGetValue("key1", out _));
Assert.False(options.TryGetValue("key2", out _));
Assert.True(options.TryGetValue("key3", out val));
Assert.Equal("value3", val);
}
[Fact]
[WorkItem(44087, "https://github.com/dotnet/roslyn/issues/44804")]
public void GlobalAnalyzerConfigDiagnosticOptionsCanBeOverridenByCommandLine()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
void M()
{
label1:;
}
}");
var globalConfig = dir.CreateFile(".globalconfig").WriteAllText(@"
is_global = true
dotnet_diagnostic.CS0164.severity = error;
");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText(@"
[*.cs]
dotnet_diagnostic.CS0164.severity = warning;
");
var none = Array.Empty<TempFile>();
var globalOnly = new[] { globalConfig };
var globalAndSpecific = new[] { globalConfig, analyzerConfig };
// by default a warning, which can be suppressed via cmdline
verify(configs: none, expectedWarnings: 1);
verify(configs: none, noWarn: "CS0164", expectedWarnings: 0);
// the global analyzer config ups the warning to an error, but the cmdline setting overrides it
verify(configs: globalOnly, expectedErrors: 1);
verify(configs: globalOnly, noWarn: "CS0164", expectedWarnings: 0);
verify(configs: globalOnly, noWarn: "164", expectedWarnings: 0); // cmdline can be shortened, but still works
// the editor config downgrades the error back to warning, but the cmdline setting overrides it
verify(configs: globalAndSpecific, expectedWarnings: 1);
verify(configs: globalAndSpecific, noWarn: "CS0164", expectedWarnings: 0);
void verify(TempFile[] configs, int expectedWarnings = 0, int expectedErrors = 0, string noWarn = "0")
=> VerifyOutput(dir, src,
expectedErrorCount: expectedErrors,
expectedWarningCount: expectedWarnings,
includeCurrentAssemblyAsAnalyzerReference: false,
analyzers: null,
additionalFlags: configs.SelectAsArray(c => "/analyzerconfig:" + c.Path)
.Add("/noWarn:" + noWarn).ToArray());
}
[Fact]
[WorkItem(44087, "https://github.com/dotnet/roslyn/issues/44804")]
public void GlobalAnalyzerConfigSpecificDiagnosticOptionsOverrideGeneralCommandLineOptions()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
void M()
{
label1:;
}
}");
var globalConfig = dir.CreateFile(".globalconfig").WriteAllText($@"
is_global = true
dotnet_diagnostic.CS0164.severity = none;
");
VerifyOutput(dir, src, additionalFlags: new[] { "/warnaserror+", "/analyzerconfig:" + globalConfig.Path }, includeCurrentAssemblyAsAnalyzerReference: false);
}
[Theory, CombinatorialData]
[WorkItem(43051, "https://github.com/dotnet/roslyn/issues/43051")]
public void WarnAsErrorIsRespectedForForWarningsConfiguredInRulesetOrGlobalConfig(bool useGlobalConfig)
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
void M()
{
label1:;
}
}");
var additionalFlags = new[] { "/warnaserror+" };
if (useGlobalConfig)
{
var globalConfig = dir.CreateFile(".globalconfig").WriteAllText($@"
is_global = true
dotnet_diagnostic.CS0164.severity = warning;
");
additionalFlags = additionalFlags.Append("/analyzerconfig:" + globalConfig.Path).ToArray();
}
else
{
string ruleSetSource = @"<?xml version=""1.0"" encoding=""utf-8""?>
<RuleSet Name=""Ruleset1"" Description=""Test"" ToolsVersion=""15.0"">
<Rules AnalyzerId=""Compiler"" RuleNamespace=""Compiler"">
<Rule Id=""CS0164"" Action=""Warning"" />
</Rules>
</RuleSet>
";
_ = dir.CreateFile("Rules.ruleset").WriteAllText(ruleSetSource);
additionalFlags = additionalFlags.Append("/ruleset:Rules.ruleset").ToArray();
}
VerifyOutput(dir, src, additionalFlags: additionalFlags, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
}
[Fact]
[WorkItem(44087, "https://github.com/dotnet/roslyn/issues/44804")]
public void GlobalAnalyzerConfigSectionsDoNotOverrideCommandLine()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(@"
class C
{
void M()
{
label1:;
}
}");
var globalConfig = dir.CreateFile(".globalconfig").WriteAllText($@"
is_global = true
[{PathUtilities.NormalizeWithForwardSlash(src.Path)}]
dotnet_diagnostic.CS0164.severity = error;
");
VerifyOutput(dir, src, additionalFlags: new[] { "/nowarn:0164", "/analyzerconfig:" + globalConfig.Path }, expectedErrorCount: 0, includeCurrentAssemblyAsAnalyzerReference: false);
}
[Fact]
[WorkItem(44087, "https://github.com/dotnet/roslyn/issues/44804")]
public void GlobalAnalyzerConfigCanSetDiagnosticWithNoLocation()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C
{
}");
var globalConfig = dir.CreateFile(".globalconfig").WriteAllText(@"
is_global = true
dotnet_diagnostic.Warning01.severity = error;
");
VerifyOutput(dir, src, additionalFlags: new[] { "/analyzerconfig:" + globalConfig.Path }, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false, analyzers: new[] { new WarningDiagnosticAnalyzer() });
VerifyOutput(dir, src, additionalFlags: new[] { "/nowarn:Warning01", "/analyzerconfig:" + globalConfig.Path }, includeCurrentAssemblyAsAnalyzerReference: false, analyzers: new[] { new WarningDiagnosticAnalyzer() });
}
[Theory, CombinatorialData]
public void TestAdditionalFileAnalyzer(bool registerFromInitialize)
{
var srcDirectory = Temp.CreateDirectory();
var source = "class C { }";
var srcFile = srcDirectory.CreateFile("a.cs");
srcFile.WriteAllText(source);
var additionalText = "Additional Text";
var additionalFile = srcDirectory.CreateFile("b.txt");
additionalFile.WriteAllText(additionalText);
var diagnosticSpan = new TextSpan(2, 2);
var analyzer = new AdditionalFileAnalyzer(registerFromInitialize, diagnosticSpan);
var output = VerifyOutput(srcDirectory, srcFile, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false,
additionalFlags: new[] { "/additionalfile:" + additionalFile.Path },
analyzers: new[] { analyzer });
Assert.Contains("b.txt(1,3): warning ID0001", output, StringComparison.Ordinal);
CleanupAllGeneratedFiles(srcDirectory.Path);
}
[Theory]
// "/warnaserror" tests
[InlineData(/*analyzerConfigSeverity*/"warning", "/warnaserror", /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/"error", "/warnaserror", /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, "/warnaserror", /*expectError*/true, /*expectWarning*/false)]
// "/warnaserror:CS0169" tests
[InlineData(/*analyzerConfigSeverity*/"warning", "/warnaserror:CS0169", /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/"error", "/warnaserror:CS0169", /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, "/warnaserror:CS0169", /*expectError*/true, /*expectWarning*/false)]
// "/nowarn" tests
[InlineData(/*analyzerConfigSeverity*/"warning", "/nowarn:CS0169", /*expectError*/false, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/"error", "/nowarn:CS0169", /*expectError*/false, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, "/nowarn:CS0169", /*expectError*/false, /*expectWarning*/false)]
// Neither "/nowarn" nor "/warnaserror" tests
[InlineData(/*analyzerConfigSeverity*/"warning", /*additionalArg*/null, /*expectError*/false, /*expectWarning*/true)]
[InlineData(/*analyzerConfigSeverity*/"error", /*additionalArg*/null, /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, /*additionalArg*/null, /*expectError*/false, /*expectWarning*/true)]
[WorkItem(43051, "https://github.com/dotnet/roslyn/issues/43051")]
public void TestCompilationOptionsOverrideAnalyzerConfig_CompilerWarning(string analyzerConfigSeverity, string additionalArg, bool expectError, bool expectWarning)
{
var src = @"
class C
{
int _f; // CS0169: unused field
}";
TestCompilationOptionsOverrideAnalyzerConfigCore(src, diagnosticId: "CS0169", analyzerConfigSeverity, additionalArg, expectError, expectWarning);
}
[Theory]
// "/warnaserror" tests
[InlineData(/*analyzerConfigSeverity*/"warning", "/warnaserror", /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/"error", "/warnaserror", /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, "/warnaserror", /*expectError*/true, /*expectWarning*/false)]
// "/warnaserror:DiagnosticId" tests
[InlineData(/*analyzerConfigSeverity*/"warning", "/warnaserror:" + CompilationAnalyzerWithSeverity.DiagnosticId, /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/"error", "/warnaserror:" + CompilationAnalyzerWithSeverity.DiagnosticId, /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, "/warnaserror:" + CompilationAnalyzerWithSeverity.DiagnosticId, /*expectError*/true, /*expectWarning*/false)]
// "/nowarn" tests
[InlineData(/*analyzerConfigSeverity*/"warning", "/nowarn:" + CompilationAnalyzerWithSeverity.DiagnosticId, /*expectError*/false, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/"error", "/nowarn:" + CompilationAnalyzerWithSeverity.DiagnosticId, /*expectError*/false, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, "/nowarn:" + CompilationAnalyzerWithSeverity.DiagnosticId, /*expectError*/false, /*expectWarning*/false)]
// Neither "/nowarn" nor "/warnaserror" tests
[InlineData(/*analyzerConfigSeverity*/"warning", /*additionalArg*/null, /*expectError*/false, /*expectWarning*/true)]
[InlineData(/*analyzerConfigSeverity*/"error", /*additionalArg*/null, /*expectError*/true, /*expectWarning*/false)]
[InlineData(/*analyzerConfigSeverity*/null, /*additionalArg*/null, /*expectError*/false, /*expectWarning*/true)]
[WorkItem(43051, "https://github.com/dotnet/roslyn/issues/43051")]
public void TestCompilationOptionsOverrideAnalyzerConfig_AnalyzerWarning(string analyzerConfigSeverity, string additionalArg, bool expectError, bool expectWarning)
{
var analyzer = new CompilationAnalyzerWithSeverity(DiagnosticSeverity.Warning, configurable: true);
var src = @"class C { }";
TestCompilationOptionsOverrideAnalyzerConfigCore(src, CompilationAnalyzerWithSeverity.DiagnosticId, analyzerConfigSeverity, additionalArg, expectError, expectWarning, analyzer);
}
private void TestCompilationOptionsOverrideAnalyzerConfigCore(
string source,
string diagnosticId,
string analyzerConfigSeverity,
string additionalArg,
bool expectError,
bool expectWarning,
params DiagnosticAnalyzer[] analyzers)
{
Assert.True(!expectError || !expectWarning);
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("temp.cs").WriteAllText(source);
var additionalArgs = Array.Empty<string>();
if (analyzerConfigSeverity != null)
{
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText($@"
[*.cs]
dotnet_diagnostic.{diagnosticId}.severity = {analyzerConfigSeverity}");
additionalArgs = additionalArgs.Append("/analyzerconfig:" + analyzerConfig.Path).ToArray();
}
if (!string.IsNullOrEmpty(additionalArg))
{
additionalArgs = additionalArgs.Append(additionalArg);
}
var output = VerifyOutput(dir, src, includeCurrentAssemblyAsAnalyzerReference: false,
additionalArgs,
expectedErrorCount: expectError ? 1 : 0,
expectedWarningCount: expectWarning ? 1 : 0,
analyzers: analyzers);
if (expectError)
{
Assert.Contains($"error {diagnosticId}", output);
}
else if (expectWarning)
{
Assert.Contains($"warning {diagnosticId}", output);
}
else
{
Assert.DoesNotContain(diagnosticId, output);
}
}
[ConditionalFact(typeof(CoreClrOnly), Reason = "Can't load a coreclr targeting generator on net framework / mono")]
public void TestGeneratorsCantTargetNetFramework()
{
var directory = Temp.CreateDirectory();
var src = directory.CreateFile("test.cs").WriteAllText(@"
class C
{
}");
// core
var coreGenerator = emitGenerator(".NETCoreApp,Version=v5.0");
VerifyOutput(directory, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/analyzer:" + coreGenerator });
// netstandard
var nsGenerator = emitGenerator(".NETStandard,Version=v2.0");
VerifyOutput(directory, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/analyzer:" + nsGenerator });
// no target
var ntGenerator = emitGenerator(targetFramework: null);
VerifyOutput(directory, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/analyzer:" + ntGenerator });
// framework
var frameworkGenerator = emitGenerator(".NETFramework,Version=v4.7.2");
var output = VerifyOutput(directory, src, expectedWarningCount: 2, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/analyzer:" + frameworkGenerator });
Assert.Contains("CS8850", output); // ref's net fx
Assert.Contains("CS8033", output); // no analyzers in assembly
// framework, suppressed
output = VerifyOutput(directory, src, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/nowarn:CS8850", "/analyzer:" + frameworkGenerator });
Assert.Contains("CS8033", output);
VerifyOutput(directory, src, includeCurrentAssemblyAsAnalyzerReference: false, additionalFlags: new[] { "/nowarn:CS8850,CS8033", "/analyzer:" + frameworkGenerator });
string emitGenerator(string targetFramework)
{
string targetFrameworkAttributeText = targetFramework is object
? $"[assembly: System.Runtime.Versioning.TargetFramework(\"{targetFramework}\")]"
: string.Empty;
string generatorSource = $@"
using Microsoft.CodeAnalysis;
{targetFrameworkAttributeText}
[Generator]
public class Generator : ISourceGenerator
{{
public void Execute(GeneratorExecutionContext context) {{ }}
public void Initialize(GeneratorInitializationContext context) {{ }}
}}";
var directory = Temp.CreateDirectory();
var generatorPath = Path.Combine(directory.Path, "generator.dll");
var compilation = CSharpCompilation.Create($"generator",
new[] { CSharpSyntaxTree.ParseText(generatorSource) },
TargetFrameworkUtil.GetReferences(TargetFramework.Standard, new[] { MetadataReference.CreateFromAssemblyInternal(typeof(ISourceGenerator).Assembly) }),
new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
compilation.VerifyDiagnostics();
var result = compilation.Emit(generatorPath);
Assert.True(result.Success);
return generatorPath;
}
}
[Theory]
[InlineData("a.txt", "b.txt", 2)]
[InlineData("a.txt", "a.txt", 1)]
[InlineData("abc/a.txt", "def/a.txt", 2)]
[InlineData("abc/a.txt", "abc/a.txt", 1)]
[InlineData("abc/a.txt", "abc/../a.txt", 2)]
[InlineData("abc/a.txt", "abc/./a.txt", 1)]
[InlineData("abc/a.txt", "abc/../abc/a.txt", 1)]
[InlineData("abc/a.txt", "abc/.././abc/a.txt", 1)]
[InlineData("abc/a.txt", "./abc/a.txt", 1)]
[InlineData("abc/a.txt", "../abc/../abc/a.txt", 2)]
[InlineData("abc/a.txt", "./abc/../abc/a.txt", 1)]
[InlineData("../abc/a.txt", "../abc/../abc/a.txt", 1)]
[InlineData("../abc/a.txt", "../abc/a.txt", 1)]
[InlineData("./abc/a.txt", "abc/a.txt", 1)]
public void TestDuplicateAdditionalFiles(string additionalFilePath1, string additionalFilePath2, int expectedCount)
{
var srcDirectory = Temp.CreateDirectory();
var srcFile = srcDirectory.CreateFile("a.cs").WriteAllText("class C { }");
// make sure any parent or sub dirs exist too
Directory.CreateDirectory(Path.GetDirectoryName(Path.Combine(srcDirectory.Path, additionalFilePath1)));
Directory.CreateDirectory(Path.GetDirectoryName(Path.Combine(srcDirectory.Path, additionalFilePath2)));
var additionalFile1 = srcDirectory.CreateFile(additionalFilePath1);
var additionalFile2 = expectedCount == 2 ? srcDirectory.CreateFile(additionalFilePath2) : null;
string path1 = additionalFile1.Path;
string path2 = additionalFile2?.Path ?? Path.Combine(srcDirectory.Path, additionalFilePath2);
int count = 0;
var generator = new PipelineCallbackGenerator(ctx =>
{
ctx.RegisterSourceOutput(ctx.AdditionalTextsProvider, (spc, t) =>
{
count++;
});
});
var output = VerifyOutput(srcDirectory, srcFile, includeCurrentAssemblyAsAnalyzerReference: false,
additionalFlags: new[] { "/additionalfile:" + path1, "/additionalfile:" + path2 },
generators: new[] { generator.AsSourceGenerator() });
Assert.Equal(expectedCount, count);
CleanupAllGeneratedFiles(srcDirectory.Path);
}
[ConditionalTheory(typeof(WindowsOnly))]
[InlineData("abc/a.txt", "abc\\a.txt", 1)]
[InlineData("abc\\a.txt", "abc\\a.txt", 1)]
[InlineData("abc/a.txt", "abc\\..\\a.txt", 2)]
[InlineData("abc/a.txt", "abc\\..\\abc\\a.txt", 1)]
[InlineData("abc/a.txt", "../abc\\../abc\\a.txt", 2)]
[InlineData("abc/a.txt", "./abc\\../abc\\a.txt", 1)]
[InlineData("../abc/a.txt", "../abc\\../abc\\a.txt", 1)]
[InlineData("a.txt", "A.txt", 1)]
[InlineData("abc/a.txt", "ABC\\a.txt", 1)]
[InlineData("abc/a.txt", "ABC\\A.txt", 1)]
public void TestDuplicateAdditionalFiles_Windows(string additionalFilePath1, string additionalFilePath2, int expectedCount) => TestDuplicateAdditionalFiles(additionalFilePath1, additionalFilePath2, expectedCount);
[ConditionalTheory(typeof(LinuxOnly))]
[InlineData("a.txt", "A.txt", 2)]
[InlineData("abc/a.txt", "abc/A.txt", 2)]
[InlineData("abc/a.txt", "ABC/a.txt", 2)]
[InlineData("abc/a.txt", "./../abc/A.txt", 2)]
[InlineData("abc/a.txt", "./../ABC/a.txt", 2)]
public void TestDuplicateAdditionalFiles_Linux(string additionalFilePath1, string additionalFilePath2, int expectedCount) => TestDuplicateAdditionalFiles(additionalFilePath1, additionalFilePath2, expectedCount);
[Fact, WorkItem(1434159, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1434159")]
public void CanSuppressAnalyzerLoadWarning()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C {}
");
var notAnalyzer = dir.CreateFile("random.txt");
// not suppresssed
var output = VerifyOutput(dir, src, additionalFlags: new[] { "/analyzer:" + notAnalyzer.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("warning CS8034", output, StringComparison.Ordinal);
// supressed
VerifyOutput(dir, src, additionalFlags: new[] { "/analyzer:" + notAnalyzer.Path, "/nowarn:CS8034" }, expectedWarningCount: 0, includeCurrentAssemblyAsAnalyzerReference: false);
// elevated
output = VerifyOutput(dir, src, additionalFlags: new[] { "/analyzer:" + notAnalyzer.Path, "/warnAsError:CS8034" }, expectedErrorCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("error CS8034", output, StringComparison.Ordinal);
}
[Fact, WorkItem(1434159, "https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1434159")]
public void GlobalAnalyzerConfigCanSuppressAnalyzerLoadWarning()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText(@"
class C {}
");
var globalconfig = dir.CreateFile(".globalconfig").WriteAllText(@"
dotnet_diagnostic.CS8034.severity = none
");
var notAnalyzer = dir.CreateFile("random.txt");
// not suppresssed
var output = VerifyOutput(dir, src, additionalFlags: new[] { "/analyzer:" + notAnalyzer.Path }, expectedWarningCount: 1, includeCurrentAssemblyAsAnalyzerReference: false);
Assert.Contains("warning CS8034", output, StringComparison.Ordinal);
// suppresssed via global analyzer config
VerifyOutput(dir, src, additionalFlags: new[] { "/analyzer:" + notAnalyzer.Path, "/analyzerConfig:" + globalconfig.Path }, includeCurrentAssemblyAsAnalyzerReference: false);
}
[Fact]
public void ExperimentalAttribute_SuppressedWithEditorConfig()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText("""
C.M();
namespace System.Diagnostics.CodeAnalysis
{
[AttributeUsage(AttributeTargets.All, Inherited = false)]
public sealed class ExperimentalAttribute : Attribute
{
public ExperimentalAttribute(string diagnosticId) { }
public string UrlFormat { get; set; }
}
}
[System.Diagnostics.CodeAnalysis.Experimental("DiagID1")]
public class C
{
public static void M() { }
}
""");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText("""
[*.cs]
dotnet_diagnostic.DiagID1.severity = none
""");
// Without editorconfig
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
// With editorconfig
cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path });
Assert.Equal(analyzerConfig.Path, Assert.Single(cmd.Arguments.AnalyzerConfigPaths));
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.Equal("", outWriter.ToString());
}
[Fact]
public void ExperimentalAttribute_SuppressedWithSpecificNoWarn()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText("""
C.M();
namespace System.Diagnostics.CodeAnalysis
{
[AttributeUsage(AttributeTargets.All, Inherited = false)]
public sealed class ExperimentalAttribute : Attribute
{
public ExperimentalAttribute(string diagnosticId) { }
public string UrlFormat { get; set; }
}
}
[System.Diagnostics.CodeAnalysis.Experimental("DiagID1")]
public class C
{
public static void M() { }
}
""");
// Without nowarn
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
// With nowarn
cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
"/nowarn:DiagID1",
src.Path });
outWriter = new StringWriter(CultureInfo.InvariantCulture);
exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
}
[Fact]
public void ExperimentalAttribute_SuppressedWithGlobalNoWarn()
{
var src = """
C.M();
namespace System.Diagnostics.CodeAnalysis
{
[AttributeUsage(AttributeTargets.All, Inherited = false)]
public sealed class ExperimentalAttribute : Attribute
{
public ExperimentalAttribute(string diagnosticId) { }
public string UrlFormat { get; set; }
}
}
[System.Diagnostics.CodeAnalysis.Experimental("DiagID1")]
public class C
{
public static void M() { }
}
""";
var comp = CreateCompilation(src, options: TestOptions.DebugExe.WithGeneralDiagnosticOption(ReportDiagnostic.Suppress));
comp.VerifyDiagnostics();
}
[Fact]
public void ExperimentalWithWhitespaceDiagnosticID_WarnForInvalidDiagID()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText("""
C.M();
[System.Diagnostics.CodeAnalysis.Experimental(" ")]
public class C
{
public static void M() { }
}
namespace System.Diagnostics.CodeAnalysis
{
public sealed class ExperimentalAttribute : Attribute
{
public ExperimentalAttribute(string diagnosticId) { }
}
}
""");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText("""
[*.cs]
dotnet_diagnostic.CS9211.severity = warning
""");
Assert.Equal((ErrorCode)9211, ErrorCode.ERR_InvalidExperimentalDiagID);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.StartsWith("test.cs(3,47): error CS9211: The diagnosticId argument to the 'Experimental' attribute must be a valid identifier",
outWriter.ToString());
}
[Fact]
public void ExperimentalWithValidDiagnosticID_WarnForDiagID()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText("""
C.M();
[System.Diagnostics.CodeAnalysis.Experimental("DiagID")]
public class C
{
public static void M() { }
}
namespace System.Diagnostics.CodeAnalysis
{
public sealed class ExperimentalAttribute : Attribute
{
public ExperimentalAttribute(string diagnosticId) { }
}
}
""");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText("""
[*.cs]
dotnet_diagnostic.DiagID.severity = warning
""");
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(0, exitCode);
Assert.StartsWith("test.cs(1,1): warning DiagID: 'C' is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.",
outWriter.ToString());
}
[Fact]
public void ExperimentalWithValidDiagnosticID_WarnForExperimental()
{
var dir = Temp.CreateDirectory();
var src = dir.CreateFile("test.cs").WriteAllText("""
C.M();
[System.Diagnostics.CodeAnalysis.Experimental("DiagID")]
public class C
{
public static void M() { }
}
namespace System.Diagnostics.CodeAnalysis
{
public sealed class ExperimentalAttribute : Attribute
{
public ExperimentalAttribute(string diagnosticId) { }
}
}
""");
var analyzerConfig = dir.CreateFile(".editorconfig").WriteAllText("""
[*.cs]
dotnet_diagnostic.CS9204.severity = warning
""");
Assert.Equal((ErrorCode)9204, ErrorCode.WRN_Experimental);
var cmd = CreateCSharpCompiler(null, dir.Path, new[] {
"/nologo",
"/t:exe",
"/preferreduilang:en",
"/analyzerconfig:" + analyzerConfig.Path,
src.Path });
var outWriter = new StringWriter(CultureInfo.InvariantCulture);
var exitCode = cmd.Run(outWriter);
Assert.Equal(1, exitCode);
Assert.StartsWith("test.cs(1,1): error DiagID: 'C' is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.",
outWriter.ToString());
}
}
[DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)]
internal abstract class CompilationStartedAnalyzer : DiagnosticAnalyzer
{
public abstract override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; }
public abstract void CreateAnalyzerWithinCompilation(CompilationStartAnalysisContext context);
public override void Initialize(AnalysisContext context)
{
context.RegisterCompilationStartAction(CreateAnalyzerWithinCompilation);
}
}
[DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)]
internal class HiddenDiagnosticAnalyzer : CompilationStartedAnalyzer
{
internal static readonly DiagnosticDescriptor Hidden01 = new DiagnosticDescriptor("Hidden01", "", "Throwing a diagnostic for #region", "", DiagnosticSeverity.Hidden, isEnabledByDefault: true);
internal static readonly DiagnosticDescriptor Hidden02 = new DiagnosticDescriptor("Hidden02", "", "Throwing a diagnostic for something else", "", DiagnosticSeverity.Hidden, isEnabledByDefault: true);
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get
{
return ImmutableArray.Create(Hidden01, Hidden02);
}
}
private void AnalyzeNode(SyntaxNodeAnalysisContext context)
{
context.ReportDiagnostic(Diagnostic.Create(Hidden01, context.Node.GetLocation()));
}
public override void CreateAnalyzerWithinCompilation(CompilationStartAnalysisContext context)
{
context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.RegionDirectiveTrivia);
}
}
[DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)]
internal class InfoDiagnosticAnalyzer : CompilationStartedAnalyzer
{
internal static readonly DiagnosticDescriptor Info01 = new DiagnosticDescriptor("Info01", "", "Throwing a diagnostic for #pragma restore", "", DiagnosticSeverity.Info, isEnabledByDefault: true);
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get
{
return ImmutableArray.Create(Info01);
}
}
private void AnalyzeNode(SyntaxNodeAnalysisContext context)
{
if ((context.Node as PragmaWarningDirectiveTriviaSyntax).DisableOrRestoreKeyword.IsKind(SyntaxKind.RestoreKeyword))
{
context.ReportDiagnostic(Diagnostic.Create(Info01, context.Node.GetLocation()));
}
}
public override void CreateAnalyzerWithinCompilation(CompilationStartAnalysisContext context)
{
context.RegisterSyntaxNodeAction(AnalyzeNode, SyntaxKind.PragmaWarningDirectiveTrivia);
}
}
[DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)]
internal class WarningDiagnosticAnalyzer : CompilationStartedAnalyzer
{
internal static readonly DiagnosticDescriptor Warning01 = new DiagnosticDescriptor("Warning01", "", "Throwing a diagnostic for types declared", "", DiagnosticSeverity.Warning, isEnabledByDefault: true);
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get
{
return ImmutableArray.Create(Warning01);
}
}
public override void CreateAnalyzerWithinCompilation(CompilationStartAnalysisContext context)
{
context.RegisterSymbolAction(
(symbolContext) =>
{
symbolContext.ReportDiagnostic(Diagnostic.Create(Warning01, symbolContext.Symbol.Locations.First()));
},
SymbolKind.NamedType);
}
}
internal class WarningWithUrlDiagnosticAnalyzer : CompilationStartedAnalyzer
{
internal static readonly DiagnosticDescriptor Warning02 = new DiagnosticDescriptor("Warning02", "", "Throwing a diagnostic for types declared", "", DiagnosticSeverity.Warning, isEnabledByDefault: true, helpLinkUri: "https://example.org/analyzer");
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create(Warning02);
public override void CreateAnalyzerWithinCompilation(CompilationStartAnalysisContext context)
{
context.RegisterSymbolAction(
static (symbolContext) =>
{
symbolContext.ReportDiagnostic(Diagnostic.Create(Warning02, symbolContext.Symbol.Locations.First()));
},
SymbolKind.NamedType);
}
}
[DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)]
internal class ErrorDiagnosticAnalyzer : CompilationStartedAnalyzer
{
internal static readonly DiagnosticDescriptor Error01 = new DiagnosticDescriptor("Error01", "", "Throwing a diagnostic for #pragma disable", "", DiagnosticSeverity.Error, isEnabledByDefault: true);
internal static readonly DiagnosticDescriptor Error02 = new DiagnosticDescriptor("Error02", "", "Throwing a diagnostic for something else", "", DiagnosticSeverity.Error, isEnabledByDefault: true);
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get
{
return ImmutableArray.Create(Error01, Error02);
}
}
public override void CreateAnalyzerWithinCompilation(CompilationStartAnalysisContext context)
{
context.RegisterSyntaxNodeAction(
(nodeContext) =>
{
if ((nodeContext.Node as PragmaWarningDirectiveTriviaSyntax).DisableOrRestoreKeyword.IsKind(SyntaxKind.DisableKeyword))
{
nodeContext.ReportDiagnostic(Diagnostic.Create(Error01, nodeContext.Node.GetLocation()));
}
},
SyntaxKind.PragmaWarningDirectiveTrivia
);
}
}
}
|