Add mirrors tests

test/codegen/lib/mirrors/typedef_library_test.dart

Index: test/codegen/lib/mirrors/typedef_library_test.dart
diff --git a/test/codegen/language/redirecting_factory_reflection_test.dart b/test/codegen/lib/mirrors/typedef_library_test.dart
similarity index 50%
copy from test/codegen/language/redirecting_factory_reflection_test.dart
copy to test/codegen/lib/mirrors/typedef_library_test.dart
index af39373979bc72406783fa62c47056de3f644f42..6549797a49a0fe338b8a0acb0c5d643ef49a896e 100644
--- a/test/codegen/language/redirecting_factory_reflection_test.dart
+++ b/test/codegen/lib/mirrors/typedef_library_test.dart
@@ -2,21 +2,16 @@
 // 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.
 
-import 'dart:mirrors';
-import 'package:expect/expect.dart';
+library foo;
 
-abstract class A<T> {
-  get t;
-  factory A() = B<T, A<T>>;
-}
+@MirrorsUsed(targets: const ["foo", "bar"])
+import 'dart:mirrors';
+import 'typedef_library.dart';
 
-class B<X, Y> implements A<X> {
-  final t;
-  B() : t = Y;
-}
+import 'package:expect/expect.dart';
 
 main() {
-  ClassMirror m = reflectClass(A);
-  var i = m.newInstance(const Symbol(''), []).reflectee;
-  Expect.equals(i.t.toString(), 'A');
+  var barLibrary = currentMirrorSystem().findLibrary(new Symbol("bar"));
+  var gTypedef = barLibrary.declarations[new Symbol("G")];
+  Expect.equals("G", MirrorSystem.getName(gTypedef.simpleName));
 }