LibTest/collection/UnmodifiableListView/lastIndexOf_A02_t01.dart

// 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  int lastIndexOf(Object element, [ int startIndex ])
 * Returns [-1] if [element] is not found.
 * @description Checks that [-1] is returned if [element] is not present in the
 * list and [start] index is not specified
 * @author iarkh@unipro.ru
 */
import "dart:collection";
import "../../../Utils/expect.dart";

main() {
  UnmodifiableListView a =
      new UnmodifiableListView([42, 0, -1, 42, -1, 6031769, 0]);
  Expect.equals(-1, a.lastIndexOf(3.14));
  Expect.equals(-1, a.lastIndexOf(null));
  Expect.equals(-1, a.lastIndexOf(a));
  Expect.equals(-1, a.lastIndexOf(8));
}