| // Copyright (c) 2014, 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. |
| |
| import "dart:isolate"; |
| import "dart:async"; |
| import "package:expect/expect.dart"; |
| import "package:async_helper/async_helper.dart"; |
| |
| isomain1(replyPort) { |
| RawReceivePort port = new RawReceivePort(); |
| port.handler = (v) { |
| replyPort.send(v); |
| if (v == 0) port.close(); |
| }; |
| replyPort.send(port.sendPort); |
| } |
| |
| void main() { |
| asyncStart(); |
| var completer = new Completer(); // Completed by first reply from isolate. |
| RawReceivePort reply = new RawReceivePort(completer.complete); |
| Isolate.spawn(isomain1, reply.sendPort).then((Isolate isolate) { |
| List result = []; |
| completer.future.then((echoPort) { |
| reply.handler = (v) { |
| result.add(v); |
| if (v == 0) { |
| Expect.listEquals([4, 3, 2, 1, 0], result); |
| reply.close(); |
| asyncEnd(); |
| } |
| }; |
| echoPort.send(4); |
| echoPort.send(3); |
| Capability resume = isolate.pause(); |
| var pingPort = new RawReceivePort(); |
| pingPort.handler = (_) { |
| Expect.isTrue(result.length <= 2); |
| echoPort.send(0); |
| isolate.resume(resume); |
| pingPort.close(); |
| }; |
| isolate.ping(pingPort.sendPort, priority: Isolate.BEFORE_NEXT_EVENT); |
| echoPort.send(2); |
| echoPort.send(1); |
| }); |
| }); |
| } |