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CS0029CannotImplicitlyConvertTypeTests.cs
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CS0029CannotImplicitlyConvertTypeTests.cs
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// Copyright (c) Josef Pihrt and Contributors. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.Threading.Tasks;
using Roslynator.Testing.CSharp;
using Xunit;
namespace Roslynator.CSharp.CodeFixes.Tests;
public class CS0029CannotImplicitlyConvertTypeTests : AbstractCSharpCompilerDiagnosticFixVerifier<ExpressionCodeFixProvider>
{
public override string DiagnosticId { get; } = CompilerDiagnosticIdentifiers.CS0029_CannotImplicitlyConvertType;
[Fact, Trait(Traits.CodeFix, CompilerDiagnosticIdentifiers.CS0029_CannotImplicitlyConvertType)]
public async Task Test_RemoveAssignmentOfVoidExpression()
{
await VerifyFixAsync(@"
class C
{
void M()
{
object x = null;
x = M();
}
}
", @"
class C
{
void M()
{
object x = null;
M();
}
}
", equivalenceKey: EquivalenceKey.Create(DiagnosticId, "RemoveAssignment"));
}
[Fact, Trait(Traits.CodeFix, CompilerDiagnosticIdentifiers.CS0029_CannotImplicitlyConvertType)]
public async Task Test_ChangeReturnTypeAccordingToReturnExpression()
{
await VerifyFixAsync(@"
class C
{
int M()
{
return """";
}
}
", @"
class C
{
string M()
{
return """";
}
}
", equivalenceKey: EquivalenceKey.Create(DiagnosticId, CodeFixIdentifiers.ChangeMemberTypeAccordingToReturnExpression));
}
[Fact, Trait(Traits.CodeFix, CompilerDiagnosticIdentifiers.CS0029_CannotImplicitlyConvertType)]
public async Task Test_ChangeReturnTypeAccordingToReturnExpression_ExpressionBody()
{
await VerifyFixAsync(@"
class C
{
int M() => """";
}
", @"
class C
{
string M() => """";
}
", equivalenceKey: EquivalenceKey.Create(DiagnosticId, CodeFixIdentifiers.ChangeMemberTypeAccordingToReturnExpression));
}
}