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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.
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations;
[Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
public sealed class UsingKeywordRecommenderTests : KeywordRecommenderTests
{
[Fact]
public Task TestNotInUsingAlias()
=> VerifyAbsenceAsync(
@"using Goo = $$");
[Fact]
public Task TestNotInGlobalUsingAlias()
=> VerifyAbsenceAsync(
@"global using Goo = $$");
[Fact]
public Task TestAfterClass()
=> VerifyKeywordAsync(
"""
class C { }
$$
""");
[Fact]
public Task TestAfterGlobalStatement()
=> VerifyKeywordAsync(
"""
System.Console.WriteLine();
$$
""");
[Fact]
public Task TestAfterGlobalVariableDeclaration_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
int i = 0;
$$
""");
[Theory, CombinatorialData]
public Task TestInEmptyStatement(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
@"$$", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Fact]
public Task TestAfterAwait()
=> VerifyKeywordAsync(
"""
class C
{
async void M()
{
await $$
}
}
""");
[Fact]
public Task TestAfterAwaitInAssignment()
=> VerifyAbsenceAsync(
"""
class C
{
async void M()
{
_ = await $$
}
}
""");
[Fact]
public Task TestAtRoot()
=> VerifyKeywordAsync(
@"$$");
[Fact]
public async Task TestNotAfterUsingKeyword()
=> await VerifyAbsenceAsync(@"using $$");
[Fact]
public Task TestAfterPreviousUsing()
=> VerifyKeywordAsync(
"""
using Goo;
$$
""");
[Fact]
public Task TestAfterPreviousGlobalUsing()
=> VerifyKeywordAsync(
"""
global using Goo;
$$
""");
[Fact]
public Task TestAfterExtern()
=> VerifyKeywordAsync(
"""
extern alias goo;
$$
""");
[Fact]
public Task TestAfterGlobalAfterExtern()
=> VerifyKeywordAsync(
"""
extern alias goo;
global $$
""");
[Fact]
public Task TestAfterGlobalAfterExternBeforeUsing_01()
=> VerifyKeywordAsync(
"""
extern alias goo;
global $$
using Goo;
""");
[Fact]
public Task TestAfterGlobalAfterExternBeforeUsing_02()
=> VerifyKeywordAsync(
"""
extern alias goo;
global $$
global using Goo;
""");
[Fact]
public Task TestBeforeUsing()
=> VerifyKeywordAsync(
"""
$$
using Goo;
""");
[Fact]
public Task TestBeforeUsingAfterGlobal()
=> VerifyKeywordAsync(
"""
global $$
using Goo;
""");
[Fact]
public Task TestAfterUsingAlias()
=> VerifyKeywordAsync(
"""
using Goo = Bar;
$$
""");
[Fact]
public Task TestAfterGlobalUsingAlias()
=> VerifyKeywordAsync(
"""
global using Goo = Bar;
$$
""");
[Fact]
public Task TestNotAfterNestedTypeDeclaration()
=> VerifyAbsenceAsync("""
class A {
class C {}
$$
""");
[Fact]
public Task TestInsideNamespace()
=> VerifyKeywordAsync(
"""
namespace N {
$$
""");
[Fact]
public Task TestAfterFileScopedNamespace()
=> VerifyKeywordAsync(
"""
namespace N;
$$
""");
[Fact]
public Task TestNotAfterUsingKeyword_InsideNamespace()
=> VerifyAbsenceAsync("""
namespace N {
using $$
""");
[Fact]
public Task TestAfterPreviousUsing_InsideNamespace()
=> VerifyKeywordAsync(
"""
namespace N {
using Goo;
$$
""");
[Fact]
public Task TestBeforeUsing_InsideNamespace()
=> VerifyKeywordAsync(
"""
namespace N {
$$
using Goo;
""");
[Fact]
public Task TestNotAfterMember_InsideNamespace()
=> VerifyAbsenceAsync("""
namespace N {
class C {}
$$
""");
[Fact]
public Task TestNotAfterNestedMember_InsideNamespace()
=> VerifyAbsenceAsync("""
namespace N {
class A {
class C {}
$$
""");
[Fact]
public Task TestNotBeforeExtern()
=> VerifyAbsenceAsync(SourceCodeKind.Regular,
"""
$$
extern alias Goo;
""");
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/9880")]
public Task TestNotBeforeExtern_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
$$
extern alias Goo;
""");
[Fact]
public Task TestNotBeforeExternAfterGlobal()
=> VerifyAbsenceAsync(SourceCodeKind.Regular,
"""
global $$
extern alias Goo;
""");
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/9880")]
public Task TestNotBeforeExternAfterGlobal_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
global $$
extern alias Goo;
""");
[Theory, CombinatorialData]
public Task TestBeforeStatement(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
$$
return true;
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterStatement(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
return true;
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterBlock(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
if (true) {
}
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterIf(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
if (true)
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterDo(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
do
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterWhile(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
while (true)
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterFor(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
for (int i = 0; i < 10; i++)
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Theory, CombinatorialData]
public Task TestAfterForeach(bool topLevelStatement)
=> VerifyKeywordAsync(AddInsideMethod(
"""
foreach (var v in bar)
$$
""", topLevelStatement: topLevelStatement), options: CSharp9ParseOptions);
[Fact]
public Task TestNotAfterUsing()
=> VerifyAbsenceAsync(
@"using $$");
[Fact]
public Task TestNotAfterGlobalUsing()
=> VerifyAbsenceAsync(
@"global using $$");
[Fact]
public Task TestNotInClass()
=> VerifyAbsenceAsync("""
class C
{
$$
}
""");
[Fact]
public Task TestBetweenUsings_01()
=> VerifyKeywordAsync(
"""
using Goo;
$$
using Bar;
""");
[Fact]
public Task TestBetweenUsings_02()
=> VerifyKeywordAsync(
"""
global using Goo;
$$
using Bar;
""");
[Fact]
public Task TestAfterGlobalBetweenUsings_01()
=> VerifyKeywordAsync(
"""
global using Goo;
global $$
using Bar;
""");
[Fact]
public Task TestAfterGlobalBetweenUsings_02()
=> VerifyKeywordAsync(
"""
global using Goo;
global $$
global using Bar;
""");
[Fact]
public Task TestAfterGlobal()
=> VerifyKeywordAsync(
@"global $$");
[Fact]
public Task TestBeforeNamespace()
=> VerifyKeywordAsync(
"""
$$
namespace NS
{}
""");
[Fact]
public Task TestBeforeFileScopedNamespace()
=> VerifyKeywordAsync(
"""
$$
namespace NS;
""");
[Fact]
public Task TestBeforeClass()
=> VerifyKeywordAsync(
"""
$$
class C1
{}
""");
[Fact]
public Task TestBeforeAttribute_01()
=> VerifyKeywordAsync(
"""
$$
[Call()]
""");
[Fact]
public Task TestBeforeAttribute_02()
=> VerifyKeywordAsync(
"""
$$
[assembly: Call()]
""");
[Fact]
public Task TestBeforeNamespaceAfterGlobal()
=> VerifyKeywordAsync(
"""
global $$
namespace NS
{}
""");
[Fact]
public Task TestBeforeClassAfterGlobal()
=> VerifyKeywordAsync(
"""
global $$
class C1
{}
""");
[Fact]
public Task TestBeforeStatementAfterGlobal()
=> VerifyKeywordAsync(
"""
global $$
Call();
""");
[Fact]
public Task TestBeforeAttributeAfterGlobal_01()
=> VerifyKeywordAsync(
"""
global $$
[Call()]
""");
[Fact]
public Task TestBeforeAttributeAfterGlobal_02()
=> VerifyKeywordAsync(
"""
global $$
[assembly: Call()]
""");
[Fact]
public Task TestWithinExtension()
=> VerifyAbsenceAsync(
"""
static class C
{
extension(string s)
{
$$
}
}
""",
CSharpNextParseOptions,
CSharpNextScriptParseOptions);
}
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