| // 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 singleWhere(bool test(E element)) |
| /// Returns the single element that satisfies [test]. |
| /// @description Checks that the single element satisfying [test] |
| /// is returned. |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var runes = new Runes('aaaacaaBa'); |
| |
| var res = runes.singleWhere( (e) => e > 0x61 ); |
| Expect.equals(0x63, res); |
| |
| res = runes.singleWhere( (e) => e < 0x61 ); |
| Expect.equals(0x42, res); |
| } |
