| /* |
| * 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 bool containsAll(Collection<T> collection) |
| * Returns true if this collection contains all the elements of [collection]. |
| * @description Checks that this method returns true if all element from the argument collection |
| * were added to the set prior to that (and not removed since) and false otherwise. |
| * @author pagolubev |
| * @reviewer msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| |
| main() { |
| Set<int> s = new Set<int>(); |
| |
| Expect.isTrue(s.containsAll([])); |
| Expect.isFalse(s.containsAll([5, 2])); |
| |
| s.addAll([-1, 3, 7]); |
| |
| Expect.isTrue(s.containsAll([])); |
| Expect.isTrue(s.containsAll([3])); |
| Expect.isTrue(s.containsAll([-1, 7])); |
| Expect.isTrue(s.containsAll([-1, 3, 7])); |
| Expect.isFalse(s.containsAll([1, 2])); |
| Expect.isFalse(s.containsAll([-1, 3, 7, 1])); |
| } |