﻿// 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.

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
{
    public class SwitchStatementStructureTests : AbstractCSharpSyntaxNodeStructureTests<SwitchStatementSyntax>
    {
        internal override AbstractSyntaxStructureProvider CreateProvider() => new SwitchStatementStructureProvider();

        [Fact, Trait(Traits.Feature, Traits.Features.Outlining)]
        public async Task TestSwitchStatement1()
        {
            const string code = @"
class C
{
    void M()
    {
        {|hint:$$switch (expr){|textspan:
        {
        }|}|}
    }
}";

            await VerifyBlockSpansAsync(code,
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: false));
        }

        [Fact, Trait(Traits.Feature, Traits.Features.Outlining)]
        public async Task TestSwitchStatement2()
        {
            const string code = @"
class C
{
    void M()
    {
        {|hint1:$$switch (expr){|textspan1:
        {
            {|hint2:case 0:{|textspan2:
                if (true)
                {
                }
                break;|}|}
            {|hint3:default:{|textspan3:
                if (false)
                {
                }
                break;|}|}
        }|}|}
    }
}";

            await VerifyBlockSpansAsync(code,
                Region("textspan1", "hint1", CSharpStructureHelpers.Ellipsis, autoCollapse: false),
                Region("textspan2", "hint2", CSharpStructureHelpers.Ellipsis, autoCollapse: false),
                Region("textspan3", "hint3", CSharpStructureHelpers.Ellipsis, autoCollapse: false));
        }
    }
}
