| // 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 append(E e) → void |
| /// Appends the given [e] as entry just after this entry. |
| /// @description Checks that [append()] appends element to this queue |
| /// @author sgrekhov@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| |
| main() { |
| DoubleLinkedQueueEntry e = new DoubleLinkedQueueEntry(1); |
| e.append(2); |
| |
| Expect.equals(2, e.nextEntry()?.element); |
| Expect.isNull(e.previousEntry()); |
| } |