blob: b5c87a459c9f92c83ff0abbb7c2f80d13a581681 [file] [log] [blame]
// 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 prepend(E e) → void
/// Prepends the given [e] as entry just before this entry.
/// @description Checks that [prepend()] adds element before this one
/// @author
import "../../../Utils/expect.dart";
import "dart:collection";
main() {
DoubleLinkedQueueEntry e = new DoubleLinkedQueueEntry(1);
Expect.equals(2, e.previousEntry()?.element);