| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @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) {} |
| } |
