| // 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 int first |
| /// Returns the first element. |
| /// @description Checks that [first] is final and can't be set. |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| check(string) { |
| dynamic runes = new Runes(string); |
| try { |
| runes.first = 0; |
| Expect.fail("[first] should be final"); |
| } on NoSuchMethodError catch(ok) {} |
| } |
| |
| |
| main() { |
| check("just a string"); |
| check("\u{10000}\u{10001}\u{10002}\u{12345}"); |
| check("\x00"); |
| } |
