| /* |
| * 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 every(bool f(T element)) |
| * Returns true if every element of the collection satisfies the predicate [f]. |
| * Returns false otherwise. |
| * @description Checks that invoking every() doesn't change the set by itself. |
| * @author msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| |
| main() { |
| bool foo(int x) { return x > 0; } |
| Set<int> s = new Set<int>(); |
| s.addAll([-1, -3, -11]); |
| Expect.isTrue(!s.every(foo)); |
| |
| Expect.isTrue(s.length == 3); |
| Expect.isTrue(s.containsAll([-1, -3, -11])); |
| } |