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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 GlobalKeywordRecommenderTests : KeywordRecommenderTests
{
[Fact]
public async Task TestInMethodBody()
=> await VerifyKeywordAsync(AddInsideMethod(@"$$"));
[Fact]
public async Task TestInClassDeclaration()
{
await VerifyKeywordAsync("""
namespace goo
{
class bar
{
$$
}
""");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543628")]
public async Task TestNotInEnumDeclaration()
=> await VerifyAbsenceAsync(@"enum Goo { $$ }");
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544219")]
public async Task TestNotInObjectInitializerMemberContext()
{
await VerifyAbsenceAsync("""
class C
{
public int x, y;
void M()
{
var c = new C { x = 2, y = 3, $$
""");
}
[Fact]
public async Task TestAfterConstInMemberContext()
{
await VerifyKeywordAsync(
"""
class C {
const $$
""");
}
[Fact]
public async Task TestAfterRefInMemberContext()
{
await VerifyKeywordAsync(
"""
class C {
ref $$
""");
}
[Fact]
public async Task TestAfterRefReadonlyInMemberContext()
{
await VerifyKeywordAsync(
"""
class C {
ref readonly $$
""");
}
[Fact]
public async Task TestAfterConstInStatementContext()
{
await VerifyKeywordAsync(AddInsideMethod(
@"const $$"));
}
[Fact]
public async Task TestAfterRefInStatementContext()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref $$"));
}
[Fact]
public async Task TestAfterRefReadonlyInStatementContext()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref readonly $$"));
}
[Fact]
public async Task TestAfterConstLocalDeclaration()
{
await VerifyKeywordAsync(AddInsideMethod(
@"const $$ int local;"));
}
[Fact]
public async Task TestAfterRefLocalDeclaration()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref $$ int local;"));
}
[Fact]
public async Task TestAfterRefReadonlyLocalDeclaration()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref readonly $$ int local;"));
}
[Fact]
public async Task TestAfterRefLocalFunction()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref $$ int Function();"));
}
[Fact]
public async Task TestAfterRefReadonlyLocalFunction()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref readonly $$ int Function();"));
}
[Fact]
public async Task TestAfterRefExpression()
{
await VerifyKeywordAsync(AddInsideMethod(
@"ref int x = ref $$"));
}
[Fact]
public async Task TestInFunctionPointerType()
{
await VerifyKeywordAsync("""
class C
{
delegate*<$$
""");
}
[Fact]
public async Task TestInFunctionPointerTypeAfterComma()
{
await VerifyKeywordAsync("""
class C
{
delegate*<int, $$
""");
}
[Fact]
public async Task TestInFunctionPointerTypeAfterModifier()
{
await VerifyKeywordAsync("""
class C
{
delegate*<ref $$
""");
}
[Fact]
public async Task TestNotAfterDelegateAsterisk()
{
await VerifyAbsenceAsync("""
class C
{
delegate*$$
""");
}
[Fact]
public async Task TestInCompilationUnit()
{
await VerifyKeywordAsync("""
$$
""");
}
[Fact]
public async Task TestAfterExtern()
{
await VerifyKeywordAsync(
"""
extern alias goo;
$$
""");
}
[Fact]
public async Task TestAfterPreviousUsing()
{
await VerifyKeywordAsync(
"""
using Goo;
$$
""");
}
[Fact]
public async Task TestAfterPreviousGlobalUsing()
{
await VerifyKeywordAsync(
"""
global using Goo;
$$
""");
}
[Fact]
public async Task TestBeforeUsing()
{
await VerifyKeywordAsync(
"""
$$
using Goo;
""");
}
[Fact]
public async Task TestBeforeGlobalUsing()
{
await VerifyKeywordAsync(
"""
$$
global using Goo;
""");
}
[Fact]
public async Task TestAfterUsingAlias()
{
await VerifyKeywordAsync(
"""
using Goo = Bar;
$$
""");
}
[Fact]
public async Task TestAfterGlobalUsingAlias()
{
await VerifyKeywordAsync(
"""
using Goo = Bar;
$$
""");
}
[Fact]
public async Task TestNotAfterGlobalKeyword()
{
await VerifyAbsenceAsync("""
global $$
""");
}
[Fact]
public async Task TestNotAfterUsingKeyword()
{
await VerifyAbsenceAsync("""
using $$
""");
}
[Fact]
public async Task TestNotAfterGlobalUsingKeyword()
{
await VerifyAbsenceAsync("""
global using $$
""");
}
[Fact]
public async Task TestNotBeforeExtern()
{
await VerifyAbsenceAsync(SourceCodeKind.Regular,
"""
$$
extern alias Goo;
""");
}
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/9880")]
public async Task TestNotBeforeExtern_Interactive()
{
await VerifyAbsenceAsync(SourceCodeKind.Script,
"""
$$
extern alias Goo;
""");
}
[Fact]
public async Task TestBetweenGlobalUsings_01()
{
await VerifyKeywordAsync(
"""
global using Goo;
$$
global using Bar;
""");
}
[Fact]
public async Task TestBetweenUsings_02()
{
await VerifyKeywordAsync(
"""
global using Goo;
$$
using Bar;
""");
}
[Fact]
public async Task TestNotAfterGlobalBetweenGlobalUsings_01()
{
await VerifyAbsenceAsync(
"""
global using Goo;
global $$
global using Bar;
""");
}
[Fact]
public async Task TestNotAfterGlobalBetweenUsings_02()
{
await VerifyAbsenceAsync(
"""
global using Goo;
global $$
using Bar;
""");
}
[Fact]
public async Task TestBeforeNamespace()
{
await VerifyKeywordAsync(
"""
$$
namespace NS
{}
""");
}
[Fact]
public async Task TestBeforeClass()
{
await VerifyKeywordAsync(
"""
$$
class C1
{}
""");
}
[Fact]
public async Task TestBeforeStatement()
{
await VerifyKeywordAsync(
"""
$$
Call();
""");
}
[Fact]
public async Task TestBeforeAttribute_01()
{
await VerifyKeywordAsync(
"""
$$
[Call()]
""");
}
[Fact]
public async Task TestBeforeAttribute_02()
{
await VerifyKeywordAsync(
"""
$$
[assembly: Call()]
""");
}
[Fact]
public async Task TestAfterScoped()
{
await VerifyKeywordAsync("scoped $$");
await VerifyKeywordAsync(AddInsideMethod("scoped $$"));
}
[Fact]
public async Task TestInEnumBaseList()
{
await VerifyKeywordAsync("enum E : $$");
}
#region Collection expressions
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_BeforeFirstElementToVar()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
var x = [$$
"""));
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_BeforeFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [$$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_AfterFirstElementToVar()
{
await VerifyKeywordAsync(AddInsideMethod(
"""
var x = [new object(), $$
"""));
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_AfterFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, $$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_SpreadBeforeFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [.. $$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_SpreadAfterFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, .. $$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_ParenAtFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [($$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_ParenAfterFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, ($$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_ParenSpreadAtFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [.. ($$
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public async Task TestInCollectionExpressions_ParenSpreadAfterFirstElementToReturn()
{
await VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, .. ($$
}
""");
}
#endregion
[Fact]
public async Task TestWithinExtension()
{
await VerifyKeywordAsync(
"""
static class C
{
extension(string s)
{
$$
}
}
""", CSharpNextParseOptions);
}
}
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