| // 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. | |
| // This code is not inlined in the test to support testing in CSP mode. | |
| function isUndefined(o) { return o === undefined; } | |
| function isNull(o) { return o === null; } |