// 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.ChangeSignature;
using Microsoft.CodeAnalysis.Editor.UnitTests.ChangeSignature;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.ChangeSignature;
 
[Trait(Traits.Feature, Traits.Features.ChangeSignature)]
public partial class ChangeSignatureTests : AbstractChangeSignatureTests
{
    [Fact]
    public async Task ReorderMethodParameters_InvokeOnClassName_ShouldFail()
    {
        var markup = """
            using System;
            class MyClass$$
            {
                public void Goo(int x, string y)
                {
                }
            }
            """;
 
        await TestChangeSignatureViaCommandAsync(LanguageNames.CSharp, markup, expectedSuccess: false, expectedFailureReason: ChangeSignatureFailureKind.IncorrectKind);
    }
 
    [Fact]
    public async Task ReorderMethodParameters_InvokeOnField_ShouldFail()
    {
        var markup = """
            using System;
            class MyClass
            {
                int t$$ = 2;
 
                public void Goo(int x, string y)
                {
                }
            }
            """;
 
        await TestChangeSignatureViaCommandAsync(LanguageNames.CSharp, markup, expectedSuccess: false, expectedFailureReason: ChangeSignatureFailureKind.IncorrectKind);
    }
 
    [Fact]
    public async Task ReorderMethodParameters_CanBeStartedEvenWithNoParameters()
    {
        var markup = @"class C { void $$M() { } }";
        await TestChangeSignatureViaCommandAsync(LanguageNames.CSharp, markup, expectedSuccess: true);
    }
 
    [Fact]
    public async Task ReorderMethodParameters_InvokeOnOverloadedOperator_ShouldFail()
    {
        var markup = """
            class C
            {
                public static C $$operator +(C a, C b)
                {
                    return null;
                }
            }
            """;
 
        await TestChangeSignatureViaCommandAsync(LanguageNames.CSharp, markup, expectedSuccess: false, expectedFailureReason: ChangeSignatureFailureKind.IncorrectKind);
    }
}