| // Copyright (c) 2013, 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 final E single |
| * If [this] is empty or has more than one element throws a [StateError]. |
| * @description Checks that a [StateError] is thrown if [this] |
| * has more than one element. |
| * @author msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| check(string) { |
| var runes = new Runes(string); |
| Expect.throws(() {runes.single;}, (e) => e is StateError); |
| } |
| |
| main() { |
| check(' '); |
| check('string'); |
| check('\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'); |
| } |
