LibTest/collection/UnmodifiableListView/indexOf_A03_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 indexOf(E element, [int start = 0])
 * Returns [-1] if given [element] is not found.
 * @description Checks that [-1] is returned if the [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.indexOf(3.14));
  Expect.equals(-1, a.indexOf(null));
  Expect.equals(-1, a.indexOf(a));
  Expect.equals(-1, a.indexOf(8));
}