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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.CSharp.NameTupleElement;
using Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.CodeRefactorings;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.NameTupleElement;
[Trait(Traits.Feature, Traits.Features.CodeActionsNameTupleElement)]
public class NameTupleElementTests : AbstractCSharpCodeActionTest_NoEditor
{
protected override CodeRefactoringProvider CreateCodeRefactoringProvider(TestWorkspace workspace, TestParameters parameters)
=> new CSharpNameTupleElementCodeRefactoringProvider();
[Fact]
public async Task TestInCall_FirstElement()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M(([||]1, 2)); }",
@"class C { void M((int arg1, int arg2) x) => M((arg1: 1, 2)); }");
}
[Fact]
public async Task TestInCall_Deep()
{
await TestInRegularAndScript1Async(
@"class C
{
void M((int arg1, int arg2) x) => M((Method([||]1), 2));
int Method(int x) => throw null;
}",
@"class C
{
void M((int arg1, int arg2) x) => M((arg1: Method(1), 2));
int Method(int x) => throw null;
}");
}
[Fact]
public async Task TestInCall_Deep2()
{
await TestInRegularAndScript1Async(
@"class C
{
void M((int arg1, int arg2) x) => M((1, Method(1[||], 2)));
int Method((int arg3, int arg4) x) => throw null;
}",
@"class C
{
void M((int arg1, int arg2) x) => M((1, arg2: Method(1, 2)));
int Method((int arg3, int arg4) x) => throw null;
}");
}
[Fact]
public async Task TestInCall_Deep3()
{
await TestInRegularAndScript1Async(
@"class C
{
void M((int arg1, int arg2) x) => M((1, Method[||](1, 2)));
int Method((int arg3, int arg4) x) => throw null;
}",
@"class C
{
void M((int arg1, int arg2) x) => M((1, arg2: Method(1, 2)));
int Method((int arg3, int arg4) x) => throw null;
}");
}
[Fact]
public async Task TestInCall_FirstElement_EscapedNamed()
{
await TestInRegularAndScript1Async(
@"class C { void M((int @int, int arg2) x) => M(([||]1, 2)); }",
@"class C { void M((int @int, int arg2) x) => M((@int: 1, 2)); }");
}
[Fact]
public async Task TestInCall_FirstElement_AlreadyNamed()
=> await TestMissingAsync(@"class C { void M((int arg1, int arg2) x) => M(([||]arg1: 1, 2)); }");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35157")]
public async Task TestUntypedTuple()
{
await TestMissingAsync(
@"class C
{
void M()
{
_ = ([||]null, 2);
}
}");
}
[Fact]
public async Task TestInvocationArgument()
{
await TestMissingAsync(
@"class C
{
void M(string arg1, int arg2)
{
M([||]null, 2);
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35525")]
public async Task TestWithSelection()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M(([|1|], 2)); }",
@"class C { void M((int arg1, int arg2) x) => M((arg1: 1, 2)); }");
}
[Fact]
public async Task TestWithConversion()
{
await TestMissingAsync(
@"class C
{
void M(C x) => M(([|1|], 2));
public static implicit operator C((int arg1, int arg2) x) => throw null;
}");
}
[Fact]
public async Task TestInCall_FirstElement_WithTrivia()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M((/*before*/ [||]1 /*after*/, 2)); }",
@"class C { void M((int arg1, int arg2) x) => M((/*before*/ arg1: 1 /*after*/, 2)); }");
}
[Fact]
public async Task TestInCall_FirstElement_Nested()
{
await TestInRegularAndScript1Async(
@"class C
{
int M((int arg1, int arg2) x)
=> M((M(([||]1, 2)), 3));
}",
@"class C
{
int M((int arg1, int arg2) x)
=> M((M((arg1: 1, 2)), 3));
}");
}
[Fact]
public async Task TestInCall_FirstComma()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M((1[||], 2)); }",
@"class C { void M((int arg1, int arg2) x) => M((arg1: 1, 2)); }");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35525")]
public async Task TestInCall_FirstComma2()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M((1,[||] 2)); }",
@"class C { void M((int arg1, int arg2) x) => M((1, arg2: 2)); }");
}
[Fact]
public async Task TestInCall_SecondElement()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M((1, [||]2)); }",
@"class C { void M((int arg1, int arg2) x) => M((1, arg2: 2)); }");
}
[Fact]
public async Task TestInCall_CloseParen()
{
await TestInRegularAndScript1Async(
@"class C { void M((int arg1, int arg2) x) => M((1, 2[||])); }",
@"class C { void M((int arg1, int arg2) x) => M((1, arg2: 2)); }");
}
[Fact]
public async Task TestUnnamedTuple()
=> await TestMissingAsync(@"class C { void M((int, int) x) => M(([||]1, 2)); }");
[Fact]
public async Task TestArrowReturnedTuple()
{
await TestInRegularAndScript1Async(
@"class C { (int arg1, int arg2, int arg3) M() => ([||]1, 2); }",
@"class C { (int arg1, int arg2, int arg3) M() => (arg1: 1, 2); }");
}
[Fact]
public async Task TestArrowReturnedTuple_LocalFunction()
{
await TestInRegularAndScript1Async(
@"class C
{
void M()
{
(int arg1, int arg2, int arg3) local() => ([||]1, 2);
}
}",
@"class C
{
void M()
{
(int arg1, int arg2, int arg3) local() => (arg1: 1, 2);
}
}");
}
[Fact]
public async Task TestReturnedTuple()
{
await TestInRegularAndScript1Async(
@"class C { (int arg1, int arg2, int arg3) M() { return ([||]1, 2); } }",
@"class C { (int arg1, int arg2, int arg3) M() { return (arg1: 1, 2); } }");
}
[Fact]
public async Task TestReturnedTuple_LongerTuple()
{
await TestMissingAsync(
@"class C { (int arg1, int arg2) M() => (1, 2, [||]3); }");
}
}
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