// 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 StringLiteralExpressionStructureTests : AbstractCSharpSyntaxNodeStructureTests<LiteralExpressionSyntax>
    {
        internal override AbstractSyntaxStructureProvider CreateProvider()
            => new StringLiteralExpressionStructureProvider();
 
        [Fact]
        public async Task TestMultiLineStringLiteral()
        {
            await VerifyBlockSpansAsync(
@"
class C
{
    void M()
    {
        var v =
{|hint:{|textspan:$$@""
class 
{
}
""|}|};
    }
}",
                Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
        }
 
        [Fact]
        public async Task TestMissingOnIncompleteStringLiteral()
        {
            await VerifyNoBlockSpansAsync(
@"
class C
{
    void M()
    {
        var v = $$"";
    }
}");
        }
    }
}