| /* |
| * Copyright (c) 2017, 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 String operator +(String other) |
| * ... |
| * @description Checks that if other string is null then exception is thrown |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.throws(() { |
| "" + null; |
| }); |
| Expect.throws(() { |
| r" " + null; |
| }); |
| Expect.throws(() { |
| "\n" + null; |
| }); |
| } |
