| // Copyright (c) 2011, 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> skipWhile(bool test(E value)) |
| /// Every new [Iterator] of the returned [Iterable[ iterates over all elements of |
| /// this. |
| /// @description Checks that for every new iterator, all elements either are |
| /// tested and satisfy the test, or are returned by the iterator. |
| /// @author kaigorodov |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List a0, bool test0(var element)) { |
| DoubleLinkedQueue queue = new DoubleLinkedQueue.from(a0); |
| List all = []; |
| bool test(var element) { |
| bool res = test0(element); |
| if (res) { |
| all.add(element); |
| } |
| return res; |
| } |
| |
| Iterable itbl = queue.skipWhile(test); |
| |
| for (int k = 0; k < 5; k++) { |
| all = []; |
| Iterator it = itbl.iterator; |
| while (it.moveNext()) { |
| all.add(it.current); |
| } |
| Expect.listEquals(a0, all); |
| } |
| } |
| |
| main() { |
| List a0 = [1, 3, 7, 4, 5, 6]; |
| check(a0, (var element) => element == 1); |
| check(a0, (var element) => true); |
| check(a0, (var element) => false); |
| check(a0, (var element) => element > 4); |
| check(a0, (var element) => element < 4); |
| check(a0, (var element) => element == 4); |
| } |