| // 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> skipWhile(bool test(E value)) |
| /// ... |
| /// The returned iterable provides elements by iterating this iterable, but |
| /// skipping over all initial elements where test(element) returns true. |
| /// If all elements satisfy test the resulting iterable is empty, otherwise it |
| /// iterates the remaining elements in their original order, starting with the |
| /// first element for which test(element) returns false. |
| /// @description Checks that if all elements satisfy test the resulting iterable |
| /// is empty, otherwise it iterates the remaining elements in their original |
| /// order, starting with the first element for which test(element) returns false. |
| /// @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; |
| } |
| |
| main() { |
| bool test(e) => e.x < 5; |
| var list = [i32x4(0), i32x4(1), i32x4(2), i32x4(6), i32x4(4), i32x4(5)]; |
| var l = new Int32x4List.fromList(list); |
| |
| var res = l.skipWhile(test); |
| Expect.isTrue(test(l[2])); |
| Expect.isFalse(test(l[3])); |
| for (int i = 0; i < res.length; ++i) { |
| Expect.isTrue(equal(l[i + 3], res.elementAt(i))); |
| } |
| |
| res = l.skipWhile((e) => e.x < 9); |
| Expect.isTrue(res.isEmpty); |
| } |