| /* |
| * 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 isEmpty |
| * Returns true if there is no element in the collection. |
| * @description Checks that this method works as specified on simple sets. |
| * @author pagolubev |
| * @reviewer msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| |
| main() { |
| Set<int> s = new Set<int>(); |
| Expect.isTrue(s.isEmpty); |
| |
| int n = 20; |
| for(int i = 17; i < 17 + n; i++) { |
| s.add(i); |
| Expect.isTrue(!s.isEmpty); |
| } |
| |
| s.clear(); |
| Expect.isTrue(s.isEmpty); |
| } |