| // 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 forEach(void action(T element)) |
| * Executes action on each data event of the stream. |
| * Completes the returned Future when all events of the stream have been |
| * processed. |
| * @description Checks that all actions on each data event of the stream are |
| * executed. |
| * @author kaigorodov |
| */ |
| library forEach_A01_t01; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| void check<T>(Stream<T> s, List<T> data) { |
| List<T> sink = []; |
| asyncStart(); |
| s.forEach((T element) => sink.add(element)).then( |
| (_) { |
| Expect.listEquals(data, sink); |
| asyncEnd(); |
| } |
| ); |
| } |
| |
| void test(CreateStreamFunction create) { |
| check(create([]), []); |
| check(create([1, 2, 3, 4]), [1, 2, 3, 4]); |
| check(create([null, "2", -3, 4.0, []]), [null, "2", -3, 4.0, []]); |
| } |