| // Copyright (c) 2011, 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. |
| |
| /** |
| * @assertion DateTime subtract(Duration other) |
| * Throws [Error] if [other] is [:null:]. |
| * @description Checks that an Error is thrown. |
| * @author msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| dynamic getNull() => null; |
| |
| main() { |
| DateTime dateTime = new DateTime(2000, 1, 1); |
| Expect.throws(() { dateTime.subtract(getNull()); }); |
| } |
