﻿// 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.Options;
using Microsoft.CodeAnalysis.Structure;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Structure.MetadataAsSource
{
    [Trait(Traits.Feature, Traits.Features.MetadataAsSource)]
    public class RegionDirectiveStructureTests : AbstractCSharpSyntaxNodeStructureTests<RegionDirectiveTriviaSyntax>
    {
        protected override string WorkspaceKind => CodeAnalysis.WorkspaceKind.MetadataAsSource;
        internal override AbstractSyntaxStructureProvider CreateProvider() => new RegionDirectiveStructureProvider();

        [Fact]
        public async Task FileHeader()
        {
            const string code = @"
{|span:#re$$gion Assembly mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
// C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\mscorlib.dll
#endregion|}";

            await VerifyBlockSpansAsync(code,
                Region("span", "Assembly mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", autoCollapse: true, isDefaultCollapsed: true));
        }

        [Fact]
        public async Task EmptyFileHeader()
        {
            const string code = @"
{|span:#re$$gion
// C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\mscorlib.dll
#endregion|}";

            await VerifyBlockSpansAsync(code,
                Region("span", "#region", autoCollapse: true, isDefaultCollapsed: true));
        }
    }
}
