| /* |
| * 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 void unlink() |
| * Unlink the element from its linked list. |
| * @description Checks that the element is removed from the list. Try to remove |
| * the first element of the list |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| import "LinkedListEntry.lib.dart"; |
| |
| main() { |
| LinkedList<MyLinkedListEntry> list = new LinkedList<MyLinkedListEntry<int>>(); |
| MyLinkedListEntry<int> entry1 = new MyLinkedListEntry<int>(1); |
| MyLinkedListEntry<int> entry2 = new MyLinkedListEntry<int>(2); |
| MyLinkedListEntry<int> entry3 = new MyLinkedListEntry<int>(2); |
| list.add(entry1); |
| list.add(entry2); |
| list.add(entry3); |
| entry1.unlink(); |
| |
| Expect.isNull(entry1.list); |
| Expect.isNull(entry1.next); |
| Expect.isNull(entry1.previous); |
| Expect.identical(entry2, list.first); |
| } |