| /* |
| * 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 Stream<T> takeWhile(bool test(T element)) |
| * The returned stream is a broadcast stream if this stream is. |
| * @description Checks that the returned stream is a broadcast stream if this |
| * stream is. |
| * @author a.semenov@unipro.ru |
| */ |
| library takeWhile_A02_t01; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| void check<T>(Stream<T> s) { |
| Expect.equals(s.isBroadcast, s.takeWhile((e) => true).isBroadcast); |
| } |
| |
| void test(CreateStreamFunction create) { |
| check(create([])); |
| check(create([]).asBroadcastStream()); |
| check(create([null])); |
| check(create([null]).asBroadcastStream()); |
| check(create([1, 2, 3])); |
| check(create([1, 2, 3]).asBroadcastStream()); |
| } |