| // 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 a lazy iterable of the count first elements of this iterable. |
| /// @description Checks that the returned [Iterable] has the length [count] and |
| /// contains first [count] elements from [this]. |
| /// @author msyabro |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List<int> list, int n) { |
| var l = new Int8List.fromList(list); |
| var res = l.take(n); |
| Expect.equals(n, res.length); |
| |
| for (int i = 0; i < n; ++i) { |
| Expect.equals(l[i], res.elementAt(i)); |
| } |
| } |
| |
| main() { |
| check([], 0); |
| check([1], 0); |
| check([1], 1); |
| |
| check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], 0); |
| check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], 1); |
| check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], 5); |
| check([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], 10); |
| } |