Add mirrors tests

test/codegen/lib/mirrors/reflected_type_typevars_test.dart

Index: test/codegen/lib/mirrors/reflected_type_typevars_test.dart
diff --git a/test/codegen/lib/mirrors/reflected_type_typevars_test.dart b/test/codegen/lib/mirrors/reflected_type_typevars_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..21727815b518bae1cd8998bebcde321dc3736003
--- /dev/null
+++ b/test/codegen/lib/mirrors/reflected_type_typevars_test.dart
@@ -0,0 +1,20 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library test.reflected_type_type_variables;
+
+import 'dart:mirrors';
+
+import 'reflected_type_helper.dart';
+
+class Class<T> {}
+typedef bool Predicate<S>(S t);
+
+main() {
+  TypeVariableMirror tFromClass = reflectClass(Class).typeVariables[0];
+  TypeVariableMirror sFromPredicate = reflectType(Predicate).typeVariables[0];
+
+  expectReflectedType(tFromClass, null);
+  expectReflectedType(sFromPredicate, null);
+}