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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.
#nullable disable
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeRefactorings;
using Microsoft.CodeAnalysis.CodeStyle;
using Microsoft.CodeAnalysis.CSharp.CodeStyle;
using Microsoft.CodeAnalysis.CSharp.UseExpressionBody;
using Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.CodeRefactorings;
using Microsoft.CodeAnalysis.Editor.UnitTests.CodeActions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.UseExpressionBody;
[Trait(Traits.Feature, Traits.Features.CodeActionsUseExpressionBody)]
public class UseExpressionBodyForLocalFunctionsRefactoringTests : AbstractCSharpCodeActionTest_NoEditor
{
protected override CodeRefactoringProvider CreateCodeRefactoringProvider(TestWorkspace workspace, TestParameters parameters)
=> new UseExpressionBodyCodeRefactoringProvider();
private OptionsCollection UseExpressionBody
=> Option(CSharpCodeStyleOptions.PreferExpressionBodiedLocalFunctions, CSharpCodeStyleOptions.WhenPossibleWithSilentEnforcement);
private OptionsCollection UseExpressionBodyDisabledDiagnostic
=> Option(CSharpCodeStyleOptions.PreferExpressionBodiedLocalFunctions, new CodeStyleOption2<ExpressionBodyPreference>(ExpressionBodyPreference.WhenPossible, NotificationOption2.None));
private OptionsCollection UseBlockBody
=> Option(CSharpCodeStyleOptions.PreferExpressionBodiedLocalFunctions, CSharpCodeStyleOptions.NeverWithSilentEnforcement);
private OptionsCollection UseBlockBodyDisabledDiagnostic
=> Option(CSharpCodeStyleOptions.PreferExpressionBodiedLocalFunctions, new CodeStyleOption2<ExpressionBodyPreference>(ExpressionBodyPreference.Never, NotificationOption2.None));
[Fact]
public async Task TestNotOfferedIfUserPrefersExpressionBodiesAndInBlockBody()
{
await TestMissingAsync(
@"class C
{
void Goo()
{
void Bar()
{
[||]Test();
}
}
}", parameters: new TestParameters(options: UseExpressionBody));
}
[Fact]
public async Task TestOfferedIfUserPrefersExpressionBodiesWithoutDiagnosticAndInBlockBody()
{
await TestInRegularAndScript1Async(
@"class C
{
void Goo()
{
void Bar()
{
[||]Test();
}
}
}",
@"class C
{
void Goo()
{
void Bar() => Test();
}
}", parameters: new TestParameters(options: UseExpressionBodyDisabledDiagnostic));
}
[Fact]
public async Task TestOfferedIfUserPrefersBlockBodiesAndInBlockBody()
{
await TestInRegularAndScript1Async(
@"class C
{
void Goo()
{
void Bar()
{
[||]Test();
}
}
}",
@"class C
{
void Goo()
{
void Bar() => Test();
}
}", parameters: new TestParameters(options: UseBlockBody));
}
[Fact]
public async Task TestNotOfferedIfUserPrefersBlockBodiesAndInExpressionBody()
{
await TestMissingAsync(
@"class C
{
void Goo()
{
void Bar() => [||]Test();
}
}", parameters: new TestParameters(options: UseBlockBody));
}
[Fact]
public async Task TestOfferedIfUserPrefersBlockBodiesWithoutDiagnosticAndInExpressionBody()
{
await TestInRegularAndScript1Async(
@"class C
{
void Goo()
{
void Bar() => [||]Test();
}
}",
@"class C
{
void Goo()
{
void Bar()
{
Test();
}
}
}", parameters: new TestParameters(options: UseBlockBodyDisabledDiagnostic));
}
[Fact]
public async Task TestOfferedIfUserPrefersExpressionBodiesAndInExpressionBody()
{
await TestInRegularAndScript1Async(
@"class C
{
void Goo()
{
void Bar() => [||]Test();
}
}",
@"class C
{
void Goo()
{
void Bar()
{
Test();
}
}
}", parameters: new TestParameters(options: UseExpressionBody));
}
}
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