LibTest/collection/LinkedList/lastWhere_A01_t01.dart

// 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 dynamic lastWhere(bool test(E value), {Object orElse()})
 * Returns the last element that satisfies the given predicate [test].
 * @description Checks that correct value is returned if the element presents in
 * the list.
 * @author kaigorodov
 */
import "../../../Utils/expect.dart";
import "dart:collection";
import "LinkedList.lib.dart";

void check(LinkedList<MyLinkedListEntry> a, int element) {
  Expect.equals(element,
      a.lastWhere((MyLinkedListEntry entry) => entry.value == element).value);
}

main() {
  LinkedList<MyLinkedListEntry> a =
      toLinkedList([42, 0, -1, 42, -1, 6031769, 0]);
  check(a, 42);
  check(a, 0);
  check(a, -1);
  check(a, 6031769);
}