| // 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 Gets the current element in the iteration. |
| * @description Checks that the current element in the iteration is returned. |
| * @author kaigorodov |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| |
| void checkNext(DoubleLinkedQueue q) { |
| Iterator it = q.iterator; |
| q.forEach((var element) { |
| Expect.isTrue(it.moveNext()); |
| Expect.equals(element, it.current); |
| Expect.identical(it.current, it.current); |
| }); |
| } |
| |
| main() { |
| DoubleLinkedQueue q1 = new DoubleLinkedQueue.from([null, 0, "1", false]); |
| checkNext(q1); |
| |
| DoubleLinkedQueue q2 = new DoubleLinkedQueue(); |
| for (var i = 0; i < 100; i++) { |
| q2.add( -i); |
| } |
| checkNext(q2); |
| |
| DoubleLinkedQueue q3 = new DoubleLinkedQueue.from( |
| ["0", "1", "2", "3", "4", "5", 6, 7, 8, 9, null]); |
| checkNext(q3); |
| } |