Add mirrors tests

test/codegen/lib/mirrors/private_types_test.dart

Index: test/codegen/lib/mirrors/private_types_test.dart
diff --git a/test/codegen/lib/mirrors/private_types_test.dart b/test/codegen/lib/mirrors/private_types_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..fd86f89956d6f1589fe9804a26971f4164402724
--- /dev/null
+++ b/test/codegen/lib/mirrors/private_types_test.dart
@@ -0,0 +1,30 @@
+// 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.private_types;
+
+import 'dart:mirrors';
+import 'package:expect/expect.dart';
+
+typedef int _F(int i);
+class _C<_T> {}
+
+typedef int F(int i);
+class C<T> {}
+
+main() {
+  Expect.isTrue(reflectType(_F).isPrivate);
+  Expect.isFalse((reflectType(_F) as TypedefMirror).referent.isPrivate);
+  Expect.isTrue(reflectType(_C).isPrivate);
+  Expect.isTrue(reflectClass(_C).typeVariables.single.isPrivate);
+
+  Expect.isFalse(reflectType(F).isPrivate);
+  Expect.isFalse((reflectType(F) as TypedefMirror).referent.isPrivate);
+  Expect.isFalse(reflectType(C).isPrivate);
+  Expect.isFalse(reflectClass(C).typeVariables.single.isPrivate);
+
+  Expect.isFalse(reflectType(dynamic).isPrivate);
+  Expect.isFalse(currentMirrorSystem().dynamicType.isPrivate);
+  Expect.isFalse(currentMirrorSystem().voidType.isPrivate);
+}