| // 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)); |
| } |