| // Copyright (c) 2013, 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(E element, [int start]) |
| /// Returns the last index of element in this list. |
| /// Searches the list backwards from index start to 0. |
| /// The first time an object o is encountered so that o == element, the index of |
| /// o is returned. |
| /// If start is not provided, this method searches from the end of the list. |
| /// @description Checks that the correct index is returned, if the element is |
| /// present. |
| /// @author msyabro |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var l = new Int32List.fromList([-1, 0, 0, -1, 2]); |
| Expect.equals(3, l.lastIndexOf(-1, 4)); |
| Expect.equals(0, l.lastIndexOf(-1, 0)); |
| Expect.equals(0, l.lastIndexOf(-1, 1)); |
| Expect.equals(2, l.lastIndexOf(0, 4)); |
| Expect.equals(1, l.lastIndexOf(0, 1)); |
| Expect.equals(4, l.lastIndexOf(2, 4)); |
| } |