| // 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 Future<bool> any(bool test(T element)) |
| /// Checks whether test accepts any element provided by this stream. |
| /// Completes the Future when the answer is known. |
| /// @description Checks that correct answer is passed to the future. |
| /// @author kaigorodov |
| |
| import "dart:isolate"; |
| import "../../../Utils/expect.dart"; |
| import "IsolateStream.dart" as IsolateStream; |
| |
| check(Iterable<int?> data, bool test(var element), bool expected) { |
| ReceivePort s = IsolateStream.fromIterable(data); |
| asyncStart(); |
| s.any(test).then((bool actual) { |
| Expect.equals(expected, actual); |
| asyncEnd(); |
| }); |
| } |
| |
| main() { |
| check([], (element) => true, false); |
| check([1, 2, 3], (element) => element == null, false); |
| check([1, 2, 3, null], (element) => element == null, true); |
| check( |
| new Iterable.generate(0, (index) => index * 2), (element) => true, false); |
| check(new Iterable.generate(10, (index) => index * 5), |
| (element) => element == 30, true); |
| } |