| /* |
| * 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> stream |
| * The stream that this controller is controlling. |
| * @description Checks that property stream implements Stream interface |
| * @author a.semenov@unipro.ru |
| */ |
| import "dart:async"; |
| import "../Stream/allTests_A01.lib.dart"; |
| |
| Stream<T> create<T>(Iterable<T> data, {bool isError(T element)}) { |
| StreamController<T> sc; |
| sc = new StreamController<T>( |
| sync:true, |
| onListen:() { |
| new Future(() { |
| for (T e in data) { |
| if (sc.isClosed){ |
| break; |
| } |
| if (isError != null && isError(e)) { |
| sc.addError(e); |
| } else { |
| sc.add(e); |
| } |
| } |
| }).then((_) => sc.close()); |
| }, |
| onCancel: () { |
| sc.close(); |
| } |
| ); |
| return sc.stream; |
| } |
| |
| main() { |
| test(create); |
| } |