Merge pull request #342 from waf/fix-navigate-to-source-for-generic-types

Fix navigate to source for generic types

Author: waf

CSharpRepl.Services/SymbolExploration/SymbolExplorer.cs

@@ -77,7 +77,7 @@ public async Task<SymbolResult> LookupSymbolAtPosition(string text, int position
             .Select(t => assemblyReader.GetTypeDefinition(t))
             .FirstOrDefault(t =>
                 assemblyReader.GetString(t.Namespace) == symbolAtPosition.ContainingNamespace.ToDisplayString()
-                && assemblyReader.GetString(t.Name) == (symbolAtPosition.ContainingType?.Name ?? symbolAtPosition.Name)
+                && assemblyReader.GetString(t.Name) == (symbolAtPosition.ContainingType?.Name ?? symbolAtPosition.MetadataName)
             );
 
         using var debugSymbolLoader = new DebugSymbolLoader(assemblyFilePath);

CSharpRepl.Tests/SymbolExplorerTests.cs

@@ -42,6 +42,16 @@ public async Task GetSymbolAtIndex_ClassInSourceLinkedAssembly_ReturnsSourceLink
         Assert.EndsWith("Console.cs", symbol.Url);
     }
 
+    [Fact]
+    public async Task GetSymbolAtIndex_GenericTypeInSourceLinkedAssembly_ReturnsSourceLinkUrl()
+    {
+        // should return a string like https://www.github.com/dotnet/runtime/blob/1381d5ebd2ab1f292848d5b19b80cf71ac332508/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/List.cs
+        var symbol = await services.GetSymbolAtIndexAsync(@"List<string>", "Li".Length);
+
+        Assert.StartsWith("https://www.github.com/dotnet/runtime/", symbol.Url);
+        Assert.EndsWith("List.cs", symbol.Url);
+    }
+
     [Fact]
     public async Task GetSymbolAtIndex_MethodInSourceLinkedAssembly_ReturnsSourceLinkUrl()
     {