| /* |
| * Copyright (c) 2016, 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 bool contains(Object element) |
| * The equality used to determine whether [element] is equal to an element of |
| * the iterable defaults to the [Object.operator==] of the element. The equality |
| * used to determine whether [element] is equal to an element of the iterable |
| * defaults to the [Object.operator==] of the element. |
| * @description Checks that [true] is returned if collection contains [element] |
| * and [false] is returned otherwise for integer numbers. |
| * @author iarkh@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| |
| class MyIterable extends Object with IterableMixin { |
| List _content; |
| MyIterable(List list): _content = list; |
| |
| Iterator get iterator { |
| return _content.iterator; |
| } |
| } |
| |
| main() { |
| MyIterable iterable = new MyIterable([1, 2, 3, 4, 5, 6, 7, 8, 9]); |
| |
| Expect.isFalse(iterable.contains(null)); |
| for(int i = 1; i < 9; i++) { |
| Expect.isTrue(iterable.contains(i)); |
| Expect.isFalse(iterable.contains(i + 10)); |
| Expect.isFalse(iterable.contains(i.toString())); |
| } |
| } |