| // Copyright (c) 2017, 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion Iterable<E> take(int count) |
| /// Returns a lazy iterable of the count first elements of this iterable. |
| /// @description Checks that returned iterable is correct. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Int32x4 i32x4(n) => new Int32x4(n, n, n, n); |
| |
| equal(o1, o2) { |
| return o1.x == o2.x && o1.y == o2.y && o1.z == o2.z && o1.w == o2.w; |
| } |
| |
| check(List<Int32x4> list, n) { |
| var l = new Int32x4List.fromList(list); |
| var res = l.take(n); |
| |
| for (int i = 0; i < res.length; ++i) { |
| Expect.isTrue(equal(l[i], res.elementAt(i))); |
| } |
| } |
| |
| main() { |
| check([], 0); |
| var list = [ |
| i32x4(0), i32x4(1), i32x4(2), i32x4(6), i32x4(4), i32x4(5), i32x4(6), |
| i32x4(7), i32x4(8), i32x4(9) |
| ]; |
| |
| for (int i = 0; i <= list.length; ++i) { |
| check(list, i); |
| } |
| } |