| // 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 E elementAt(int index) |
| * If [this] has fewer than [index] elements throws a RangeError. |
| * @description Checks that a [RangeError] is thrown if [this] |
| * has fewer than [index] elements. |
| * @author msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| check(string) { |
| var runes = new Runes(string); |
| Expect.throws(() {runes.elementAt(runes.length + 1);}, |
| (e) => e is RangeError); |
| Expect.throws(() {runes.elementAt(- 1);}, (e) => e is RangeError); |
| } |
| |
| main() { |
| check(''); |
| check('a'); |
| check('abcdefghijklmnopqrstuvwxyz'); |
| } |
