| // 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 |
| |
| library containsAll_A01_t01; |
| import "set.lib.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| test(Set create([Set content])) { |
| Set s = create(); |
| |
| 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])); |
| } |
| |
| main() { |
| test(create); |
| } |