// 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.CSharp.Structure;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Structure;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Structure
{
    [Trait(Traits.Feature, Traits.Features.Outlining)]
    public class ConversionOperatorDeclarationStructureTests : AbstractCSharpSyntaxNodeStructureTests<ConversionOperatorDeclarationSyntax>
    {
        internal override AbstractSyntaxStructureProvider CreateProvider() => new ConversionOperatorDeclarationStructureProvider();
 
        [Fact]
        public async Task TestOperator1()
        {
            const string code = @"
class C
{
    {|hint:$$public static explicit operator C(byte i){|textspan:
    {
    }|}|}
}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
        }
 
        [Fact]
        public async Task TestOperator2()
        {
            const string code = @"
class C
{
    {|hint:$$public static explicit operator C(byte i){|textspan:
    {
    }|}|}
    public static explicit operator C(short i)
    {
    }
}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
        }
 
        [Fact]
        public async Task TestOperator3()
        {
            const string code = @"
class C
{
    {|hint:$$public static explicit operator C(byte i){|textspan:
    {
    }|}|}
 
    public static explicit operator C(short i)
    {
    }
}";
 
            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
        }
 
        [Fact]
        public async Task TestOperatorWithLeadingComments()
        {
            const string code = @"
class C
{
    {|span1:// Goo
    // Bar|}
    {|hint2:$$public static explicit operator C(byte i){|textspan2:
    {
    }|}|}
}";
 
            await VerifyBlockSpansAsync(code,
                Region("span1", "// Goo ...", autoCollapse: true),
                Region("textspan2", "hint2", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
        }
    }
}