| /* |
| * Copyright (c) 2016, 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 remove() → E |
| * @description Checks that remove() removes element |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| |
| main() { |
| DoubleLinkedQueue queue = new DoubleLinkedQueue(); |
| queue.add(1); |
| queue.add(2); |
| queue.add(3); |
| |
| var e = queue.firstEntry().nextEntry().remove(); |
| Expect.equals(2, e); |
| Expect.equals(2, queue.length); |
| Expect.equals(1, queue.first); |
| Expect.equals(3, queue.firstEntry().nextEntry().element); |
| Expect.equals(1, queue.lastEntry().previousEntry().element); |
| } |