| // 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 this method works as specified with a collection of |
| /// integers and a simple predicate (numerical comparison). |
| /// @author pagolubev |
| |
| library every_A01_t01; |
| import "set.lib.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| test(Set create([Set content])) { |
| bool foo(var x) { return x > 0; } |
| |
| Set s = create(); |
| Expect.isTrue(s.every(foo)); |
| |
| s.addAll([1, 17, 5, 3, 11]); |
| Expect.isTrue(s.every(foo)); |
| Expect.isTrue(s.containsAll([1, 17, 5, 3, 11])); |
| Expect.isTrue(s.length == 5); |
| |
| s.add(-1); |
| Expect.isTrue(!s.every(foo)); |
| Expect.isTrue(s.containsAll([1, 17, 5, 3, 11, -1])); |
| Expect.isTrue(s.length == 6); |
| |
| s.remove(-1); |
| Expect.isTrue(s.every(foo)); |
| } |
| |
| main() { |
| test(create); |
| } |