blob: 87ec516ba40e390c92b7fceb7cca57e63227a7e7 [file] [log] [blame]
// Copyright (c) 2017, 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 abstract class LinkedListEntry<E extends LinkedListEntry>
/// The class provides the internal links that link elements together in the
/// LinkedList, and a reference to the linked list itself that an element is
/// currently part of.
/// @description Checks that [LinkedListEntry] elements in the list contain links
/// to the neighbour elements and the list itself.
/// @author
import "../../../Utils/expect.dart";
import "dart:collection";
import "LinkedListEntry.lib.dart";
main() {
MyLinkedListEntry entry1 = new MyLinkedListEntry(1);
MyLinkedListEntry entry2 = new MyLinkedListEntry(2);
MyLinkedListEntry entry3 = new MyLinkedListEntry(3);
LinkedList<MyLinkedListEntry> list = new LinkedList<MyLinkedListEntry>();
Expect.identical(list, entry1.list);
Expect.identical(list, entry2.list);
Expect.identical(list, entry3.list);
Expect.equals(null, entry1.previous);
Expect.equals(entry1, entry2.previous);
Expect.equals(entry2, entry3.previous);