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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 Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations;
[Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
public sealed class AsKeywordRecommenderTests : KeywordRecommenderTests
{
[Fact]
public Task TestNotAtRoot_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
@"$$");
[Fact]
public Task TestNotAfterClass_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
class C { }
$$
""");
[Fact]
public Task TestNotAfterGlobalStatement_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
System.Console.WriteLine();
$$
""");
[Fact]
public Task TestNotAfterGlobalVariableDeclaration_Interactive()
=> VerifyAbsenceAsync(SourceCodeKind.Script,
"""
int i = 0;
$$
""");
[Fact]
public Task TestNotInUsingAlias()
=> VerifyAbsenceAsync(
@"using Goo = $$");
[Fact]
public Task TestNotInGlobalUsingAlias()
=> VerifyAbsenceAsync(
@"global using Goo = $$");
[Fact]
public Task TestNotInEmptyStatement()
=> VerifyAbsenceAsync(AddInsideMethod(
@"$$"));
[Fact]
public Task TestAfterExpr()
=> VerifyKeywordAsync(AddInsideMethod(
@"var q = goo $$"));
[Fact]
public Task TestAfterDottedName()
=> VerifyKeywordAsync(AddInsideMethod(
@"var q = goo.Current $$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543041")]
public Task TestNotAfterVarInForLoop()
=> VerifyAbsenceAsync(AddInsideMethod(
@"for (var $$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1064811")]
public Task TestNotBeforeFirstStringHole()
=> VerifyAbsenceAsync(AddInsideMethod(
"""
var x = "\{0}$$\{1}\{2}"
"""));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1064811")]
public Task TestNotBetweenStringHoles()
=> VerifyAbsenceAsync(AddInsideMethod(
"""
var x = "\{0}\{1}$$\{2}"
"""));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1064811")]
public Task TestNotAfterStringHoles()
=> VerifyAbsenceAsync(AddInsideMethod(
"""
var x = "\{0}\{1}\{2}$$"
"""));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1064811")]
public Task TestAfterLastStringHole()
=> VerifyKeywordAsync(AddInsideMethod(
@"var x = ""\{0}\{1}\{2}"" $$"));
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/1736")]
public Task TestNotWithinNumericLiteral()
=> VerifyAbsenceAsync(AddInsideMethod(
@"var x = .$$0;"));
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/28586")]
public Task TestNotAfterAsync()
=> VerifyAbsenceAsync(
"""
using System;
class C
{
void Goo()
{
Bar(async $$
}
void Bar(Func<int, string> f)
{
}
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/8319")]
public Task TestNotAfterMethodReference()
=> VerifyAbsenceAsync(
"""
using System;
class C {
void M() {
var v = Console.WriteLine $$
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/8319")]
public Task TestNotAfterAnonymousMethod()
=> VerifyAbsenceAsync(
"""
using System;
class C {
void M() {
Action a = delegate { } $$
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/8319")]
public Task TestNotAfterLambda1()
=> VerifyAbsenceAsync(
"""
using System;
class C {
void M() {
Action b = (() => 0) $$
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/8319")]
public Task TestNotAfterLambda2()
=> VerifyAbsenceAsync(
"""
using System;
class C {
void M() {
Action b = () => {} $$
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/48573")]
public Task TestMissingAfterNumericLiteral()
=> VerifyAbsenceAsync(
"""
class C
{
void M()
{
var x = 1$$
}
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/48573")]
public Task TestMissingAfterNumericLiteralAndDot()
=> VerifyAbsenceAsync(
"""
class C
{
void M()
{
var x = 1.$$
}
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/48573")]
public Task TestMissingAfterNumericLiteralDotAndSpace()
=> VerifyAbsenceAsync(
"""
class C
{
void M()
{
var x = 1. $$
}
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31367")]
public Task TestMissingInCaseClause1()
=> VerifyAbsenceAsync(
"""
class A
{
}
class C
{
void M(object o)
{
switch (o)
{
case A $$
}
}
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31367")]
public Task TestMissingInCaseClause2()
=> VerifyAbsenceAsync(
"""
namespace N
{
class A
{
}
}
class C
{
void M(object o)
{
switch (o)
{
case N.A $$
}
}
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/78800")]
public Task TestAfterReturnExpression()
=> VerifyKeywordAsync(
"""
class C
{
public static string EvaluateRangeVariable()
{
return RandomValue() $$
}
public int RandomValue() => 0;
}
""");
}
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