| // 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 Iterable<E> take(int count) |
| /// Returns an [Iterable] with at most [n] elements. |
| /// @description Checks that the returned [Iterable] has |
| /// the length [n] and contains first [n] elements from [this]. |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| void check(string, n) { |
| var runes = new Runes(string); |
| var res = runes.take(n); |
| Expect.equals(n, res.length); |
| |
| for(int i = 0; i < n; ++i) { |
| Expect.equals(runes.elementAt(i), res.elementAt(i)); |
| } |
| } |
| |
| main() { |
| check('', 0); |
| check('\x01', 0); |
| check('\x01', 1); |
| |
| check('just a string', 0); |
| check('just a string', 1); |
| check('just a string', 5); |
| check('just a string', 10); |
| |
| } |