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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.Editor.CSharp.UnitTests.CodeRefactorings;
using Microsoft.CodeAnalysis.GenerateOverrides;
using Microsoft.CodeAnalysis.PickMembers;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.GenerateOverrides
{
public class GenerateOverridesTests : AbstractCSharpCodeActionTest
{
protected override CodeRefactoringProvider CreateCodeRefactoringProvider(Workspace workspace, TestParameters parameters)
=> new GenerateOverridesCodeRefactoringProvider((IPickMembersService)parameters.fixProviderData);
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
public async Task Test1()
{
await TestWithPickMembersDialogAsync(
"""
class C
{
[||]
}
""",
"""
class C
{
public override bool Equals(object obj)
{
return base.Equals(obj);
}
public override int GetHashCode()
{
return base.GetHashCode();
}
public override string ToString()
{
return base.ToString();
}
}
""", new[] { "Equals", "GetHashCode", "ToString" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
[WorkItem("https://github.com/dotnet/roslyn/issues/35525")]
public async Task TestAtEndOfFile()
{
await TestWithPickMembersDialogAsync(
"""
class C[||]
""",
"""
class C
{
public override bool Equals(object obj)
{
return base.Equals(obj);
}
public override int GetHashCode()
{
return base.GetHashCode();
}
public override string ToString()
{
return base.ToString();
}
}
""", new[] { "Equals", "GetHashCode", "ToString" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
[WorkItem("https://github.com/dotnet/roslyn/issues/48295")]
public async Task TestOnRecordWithSemiColon()
{
await TestWithPickMembersDialogAsync("""
record C[||];
""", """
record C
{
public override int GetHashCode()
{
return base.GetHashCode();
}
public override string ToString()
{
return base.ToString();
}
}
""", new[] { "GetHashCode", "ToString" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
[WorkItem("https://github.com/dotnet/roslyn/issues/17698")]
public async Task TestRefReturns()
{
await TestWithPickMembersDialogAsync(
"""
using System;
class Base
{
public virtual ref int X() => throw new NotImplementedException();
public virtual ref int Y => throw new NotImplementedException();
public virtual ref int this[int i] => throw new NotImplementedException();
}
class Derived : Base
{
[||]
}
""",
"""
using System;
class Base
{
public virtual ref int X() => throw new NotImplementedException();
public virtual ref int Y => throw new NotImplementedException();
public virtual ref int this[int i] => throw new NotImplementedException();
}
class Derived : Base
{
public override ref int this[int i] => ref base[i];
public override ref int Y => ref base.Y;
public override ref int X()
{
return ref base.X();
}
}
""", new[] { "X", "Y", "this[]" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
public async Task TestInitOnlyProperty()
{
await TestWithPickMembersDialogAsync(
"""
class Base
{
public virtual int Property { init => throw new NotImplementedException(); }
}
class Derived : Base
{
[||]
}
""",
"""
class Base
{
public virtual int Property { init => throw new NotImplementedException(); }
}
class Derived : Base
{
public override int Property { init => base.Property = value; }
}
""", new[] { "Property" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
public async Task TestInitOnlyIndexer()
{
await TestWithPickMembersDialogAsync(
"""
class Base
{
public virtual int this[int i] { init => throw new NotImplementedException(); }
}
class Derived : Base
{
[||]
}
""",
"""
class Base
{
public virtual int this[int i] { init => throw new NotImplementedException(); }
}
class Derived : Base
{
public override int this[int i] { init => base[i] = value; }
}
""", new[] { "this[]" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
[WorkItem("https://github.com/dotnet/roslyn/issues/21601")]
public async Task TestMissingInStaticClass1()
{
await TestMissingAsync(
"""
static class C
{
[||]
}
""");
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
[WorkItem("https://github.com/dotnet/roslyn/issues/21601")]
public async Task TestMissingInStaticClass2()
{
await TestMissingAsync(
"""
static class [||]C
{
}
""");
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsImplementInterface)]
[WorkItem("https://github.com/dotnet/roslyn/issues/53012")]
public async Task TestNullableTypeParameter()
{
await TestWithPickMembersDialogAsync(
"""
class C
{
public virtual void M<T1, T2, T3>(T1? a, T2 b, T1? c, T3? d) {}
}
class D : C
{
[||]
}
""",
"""
class C
{
public virtual void M<T1, T2, T3>(T1? a, T2 b, T1? c, T3? d) {}
}
class D : C
{
public override void M<T1, T2, T3>(T1? a, T2 b, T1? c, T3? d)
where T1 : default
where T3 : default
{
base.M(a, b, c, d);
}
}
""", new[] { "M" });
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsGenerateOverrides)]
public async Task TestRequiredProperty()
{
await TestWithPickMembersDialogAsync(
"""
class Base
{
public virtual required int Property { get; set; }
}
class Derived : Base
{
[||]
}
""",
"""
class Base
{
public virtual required int Property { get; set; }
}
class Derived : Base
{
public override required int Property { get => base.Property; set => base.Property = value; }
}
""", new[] { "Property" });
}
}
}
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