| /* |
| * 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 Duration difference(DateTime other) |
| * Throws [Error] if [other] is [:null:]. |
| * @description Checks that the correct exception is thrown. |
| * @author msyabro |
| * @needsreview undocumented |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| try { |
| new DateTime.now().difference(null); |
| Expect.fail("Error is expected"); |
| } on Error catch(e) {} |
| } |
