Add mirrors tests

test/codegen/lib/mirrors/method_mirror_name_test.dart

 // Copyright (c) 2013, 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.
 
+import "dart:mirrors";
+
 import "package:expect/expect.dart";
+import "stringify.dart";
 
-class A {
-  noSuchMethod(_) {
-    Expect.fail('Should not reach here');
-  }
-}
-
-class B extends A {
-  operator ==(other);
-}
-
-class C extends B {
-}
-
-var a = [new C()];
+doNothing42() {}
 
 main() {
-  C c = a[0];
-  a.add(c);
-  Expect.isTrue(c == a[1]);
+  // Regression test for http://www.dartbug.com/6335
+  var closureMirror = reflect(doNothing42);
+  Expect.equals(stringifySymbol(closureMirror.function.simpleName),
+                "s(doNothing42)");
 }