public void GenericClassNameWithoutDirectGenericNameSyntaxInLine()
{
var code = @"using System;
using System.Collections.Generic;
class C
{
void M()
{
var test = new List<int>();
test.Add(0);
}
}
";
SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
var compilation = CSharpCompilation.Create("HelloWorld")
.AddReferences(
MetadataReference.CreateFromFile(
typeof(object).Assembly.Location))
.AddSyntaxTrees(tree);
var model = compilation.GetSemanticModel(tree);
var span = tree.GetText().Lines[7].Span;
var root = (CompilationUnitSyntax)tree.GetRoot();
var allNodes = root.DescendantNodesAndSelf();
var lineNodes = root.DescendantNodesAndSelf(span);
var nodeHelperInstance = new NodeHelpers(model);
var genericName = nodeHelperInstance.GetClassNameUsedAsGenericParameter(lineNodes, allNodes);
Assert.Equal("Int32", genericName);
}
private bool TryResolveExpression(ExpressionResult expressionResult, out string result)
{
result = null;
switch (expressionResult.UnresolvedPart)
{
case UnresolvedPartType.None:
return(false);
case UnresolvedPartType.GenericClassName:
result = expressionResult.Resolve(_helperInstance.GetClassNameUsedAsGenericParameter(_lineNodes, _documentNodes.Value));
return(!string.IsNullOrEmpty(result));
default:
throw new InvalidOperationException("Unexpected Case");
}
}