File: Structure\MetadataAsSource\RegionDirectiveStructureTests.cs
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Project: src\src\EditorFeatures\CSharpTest\Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests.csproj (Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests)
// 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.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()
    {
        var 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()
    {
        var 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));
    }
}