| /* |
| * 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 Throws an StateError exception if this queue is empty. |
| * @description Checks that exception is thrown if the list is empty. |
| * @author kaigorodov |
| */ |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| DoubleLinkedQueue queue = new DoubleLinkedQueue(); |
| Expect.throws(() { |
| queue.removeLast(); |
| }, |
| (e)=> e is StateError |
| ); |
| |
| queue.addLast(1); |
| queue.addLast(2); |
| queue.clear(); |
| |
| Expect.throws(() { |
| queue.removeLast(); |
| }, |
| (e)=> e is StateError |
| ); |
| } |