| /* |
| * Copyright (c) 2016, 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 If the paused parameter is set to true, the isolate will start up |
| * in a paused state, as if by an initial call of |
| * isolate.pause(isolate.pauseCapability). To resume the isolate, |
| * call isolate.resume(isolate.pauseCapability). |
| * |
| * @description Check that paused isolate (started with parameter paused |
| * equal to true) is resumed by call to isolate.pause(isolate.pauseCapability) |
| * and is able to send and receive events |
| * |
| * @author a.semenov@unipro.ru |
| */ |
| import "dart:isolate"; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| void entryPoint(SendPort sendPort) { |
| ReceivePort receivePort = new ReceivePort(); |
| sendPort.send(receivePort.sendPort); |
| receivePort.listen( |
| (data) { |
| sendPort.send(data); |
| receivePort.close(); |
| } |
| ); |
| } |
| |
| test() async { |
| bool paused = true; |
| ReceivePort receivePort = new ReceivePort(); |
| receivePort.listen( |
| (data) { |
| Expect.isFalse(paused, "Isolate should not be in paused state"); |
| if (data is SendPort) { |
| data.send("hello"); |
| } else { |
| Expect.equals("hello", data); |
| asyncEnd(); |
| receivePort.close(); |
| } |
| } |
| ); |
| Isolate isolate = await Isolate.spawn(entryPoint, receivePort.sendPort, paused: true); |
| await new Future.delayed(new Duration(seconds:1)); |
| paused = false; |
| var pc = isolate.pauseCapability; |
| if (pc != null) { |
| isolate.resume(pc); |
| } |
| } |
| |
| main() { |
| asyncStart(); |
| test(); |
| } |