| /* |
| * 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 abstract Stream<T> bind(Stream<S> stream) |
| * @description Checks that transformer.bind(stream) is equivalent to |
| * stream.transform(transformer) |
| * @author ilya |
| */ |
| import "dart:async"; |
| import "../../../Utils/async_utils.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var s = new Stream.fromIterable([1,2,3,4,5]); |
| |
| // odd numbers as data events, even numbers as error events |
| s = s.map((x) => x.isOdd ? x : throw x); |
| |
| var tr = new StreamTransformer.fromHandlers( |
| handleData:(x, sink) { sink.add(x); }, |
| handleError: (x, st, sink) { sink.add(x); }, |
| handleDone: (sink) { sink.add(6); sink.add(7); sink.close(); } |
| ); |
| |
| asyncStart(); |
| tr.bind(s).toList().then((x) { |
| Expect.listEquals([1,2,3,4,5,6,7], x); |
| asyncEnd(); |
| }); |
| } |