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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 TrueKeywordRecommenderTests : KeywordRecommenderTests
{
[Fact]
public Task TestAtRoot_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
@"$$");
[Fact]
public Task TestAfterClass_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
class C { }
$$
""");
[Fact]
public Task TestAfterGlobalStatement()
=> VerifyKeywordAsync(
"""
System.Console.WriteLine();
$$
""");
[Fact]
public Task TestAfterGlobalVariableDeclaration_Interactive()
=> VerifyKeywordAsync(SourceCodeKind.Script,
"""
int i = 0;
$$
""");
[Fact]
public Task TestNotInUsingAlias()
=> VerifyAbsenceAsync(
@"using Goo = $$");
[Fact]
public Task TestNotInGlobalUsingAlias()
=> VerifyAbsenceAsync(
@"global using Goo = $$");
[Fact]
public Task TestNotInPreprocessor1()
=> VerifyAbsenceAsync(
"""
class C {
#$$
""");
[Fact]
public Task TestNotInPreprocessor2()
=> VerifyAbsenceAsync(
"""
class C {
#line $$
""");
[Fact]
public Task TestInEmptyStatement()
=> VerifyKeywordAsync(AddInsideMethod(
@"$$"));
[Fact]
public Task TestInExpression()
=> VerifyKeywordAsync(AddInsideMethod(
@"var q = $$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542970")]
public Task TestInPPIf()
=> VerifyKeywordAsync(
@"#if $$");
[Fact]
public Task TestInPPIf_Or()
=> VerifyKeywordAsync(
@"#if a || $$");
[Fact]
public Task TestInPPIf_And()
=> VerifyKeywordAsync(
@"#if a && $$");
[Fact]
public Task TestInPPIf_Not()
=> VerifyKeywordAsync(
@"#if ! $$");
[Fact]
public Task TestInPPIf_Paren()
=> VerifyKeywordAsync(
@"#if ( $$");
[Fact]
public Task TestInPPIf_Equals()
=> VerifyKeywordAsync(
@"#if a == $$");
[Fact]
public Task TestInPPIf_NotEquals()
=> VerifyKeywordAsync(
@"#if a != $$");
[Fact]
public Task TestInPPElIf()
=> VerifyKeywordAsync(
"""
#if true
#elif $$
""");
[Fact]
public Task TestInPPelIf_Or()
=> VerifyKeywordAsync(
"""
#if true
#elif a || $$
""");
[Fact]
public Task TestInPPElIf_And()
=> VerifyKeywordAsync(
"""
#if true
#elif a && $$
""");
[Fact]
public Task TestInPPElIf_Not()
=> VerifyKeywordAsync(
"""
#if true
#elif ! $$
""");
[Fact]
public Task TestInPPElIf_Paren()
=> VerifyKeywordAsync(
"""
#if true
#elif ( $$
""");
[Fact]
public Task TestInPPElIf_Equals()
=> VerifyKeywordAsync(
"""
#if true
#elif a == $$
""");
[Fact]
public Task TestInPPElIf_NotEquals()
=> VerifyKeywordAsync(
"""
#if true
#elif a != $$
""");
[Fact]
public Task TestAfterUnaryOperator()
=> VerifyKeywordAsync(
"""
class C {
public static bool operator $$
""");
[Fact]
public Task TestNotAfterImplicitOperator()
=> VerifyAbsenceAsync(
"""
class C {
public static implicit operator $$
""");
[Fact]
public Task TestNotAfterExplicitOperator()
=> VerifyAbsenceAsync(
"""
class C {
public static implicit operator $$
""");
[Fact]
public Task TestBeforeInactiveRegion()
=> VerifyKeywordAsync(
"""
class C
{
void Init()
{
#if $$
H
""");
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
public Task TestNotAfterTypeOf()
=> VerifyAbsenceAsync(AddInsideMethod(
@"typeof($$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
public Task TestNotAfterDefault()
=> VerifyAbsenceAsync(AddInsideMethod(
@"default($$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
public Task TestNotAfterSizeOf()
=> VerifyAbsenceAsync(AddInsideMethod(
@"sizeof($$"));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544219")]
public Task TestNotInObjectInitializerMemberContext()
=> VerifyAbsenceAsync("""
class C
{
public int x, y;
void M()
{
var c = new C { x = 2, y = 3, $$
""");
[Fact]
public Task TestAfterRefExpression()
=> VerifyKeywordAsync(AddInsideMethod(
@"ref int x = ref $$"));
#region Collection expressions
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_BeforeFirstElementToVar()
=> VerifyKeywordAsync(AddInsideMethod(
"""
var x = [$$
"""));
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_BeforeFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [$$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_AfterFirstElementToVar()
=> VerifyKeywordAsync(AddInsideMethod(
"""
var x = [new object(), $$
"""));
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_AfterFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, $$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_SpreadBeforeFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [.. $$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_SpreadAfterFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, .. $$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_ParenAtFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [($$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_ParenAfterFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, ($$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_ParenSpreadAtFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [.. ($$
}
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
public Task TestInCollectionExpressions_ParenSpreadAfterFirstElementToReturn()
=> VerifyKeywordAsync(
"""
class C
{
IEnumerable<string> M() => [string.Empty, .. ($$
}
""");
#endregion
}
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