// 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.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Editor.UnitTests.Workspaces;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.Editor.UnitTests.SymbolKeyTests
{
    [UseExportProvider]
    public class SymbolKeyCrossLanguageTests
    {
        [Theory]
        [InlineData("dynamic")]
        [InlineData("int*")]
        [InlineData("delegate*&lt;int, void&gt;")]
        public async Task TestUnsupportedVBTypes(string parameterType)
        {
            using var workspace = TestWorkspace.Create(
@$"<Workspace>
    <Project Language=""C#"" CommonReferences=""true"" Name=""CSProject"">
        <Document>
public class C
{{
    public void M({parameterType} d) {{ }}
}}
        </Document>
    </Project>
    <Project Language=""Visual Basic"" CommonReference=""true"">
        <ProjectReference>CSProject</ProjectReference>
        
    </Project>
</Workspace>");

            var solution = workspace.CurrentSolution;
            var csDocument = solution.Projects.Single(p => p.Language == LanguageNames.CSharp).Documents.Single();
            var semanticModel = await csDocument.GetRequiredSemanticModelAsync(CancellationToken.None);
            var tree = semanticModel.SyntaxTree;
            var root = tree.GetRoot();

            var method = root.DescendantNodes().OfType<MethodDeclarationSyntax>().Single();
            var methodSymbol = semanticModel.GetDeclaredSymbol(method);

            var vbProject = solution.Projects.Single(p => p.Language == LanguageNames.VisualBasic);
            var vbCompilation = await vbProject.GetRequiredCompilationAsync(CancellationToken.None);

            var resolved = SymbolKey.ResolveString(methodSymbol.GetSymbolKey().ToString(), vbCompilation, out var failureReason, CancellationToken.None);
            Assert.NotNull(failureReason);
            Assert.Null(resolved.GetAnySymbol());
        }
    }
}
