| // 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 abstract int indexOf(E element, [int start = 0]) |
| /// @description Checks that if [start] is not specified, searches the entire |
| /// list. |
| /// @author varlax |
| |
| library indexOf_A04_t01; |
| |
| import "../../../Utils/expect.dart"; |
| |
| checkList(List list, var elem, int expected) { |
| Expect.equals(expected, list.indexOf(elem)); |
| } |
| |
| check(List ls) { |
| checkList(ls, 42, 0); |
| checkList(ls, 777, -1); |
| checkList(ls, null, -1); |
| checkList(ls, 0, 1); |
| checkList(ls, 6031769, 5); |
| } |
| |
| test(List<E> create<E>([int length, E fill])) { |
| List a = create(); |
| a.addAll(const [42, 0, -1, 42, -1, 6031769, 0]); |
| check(a); |
| |
| List b = create(a.length, 0); |
| for(var i = 0; i<a.length; i++) { |
| b[i] = a[i]; |
| } |
| check(b); |
| } |