| // Copyright (c) 2012, 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. |
| |
| // Dart test program for testing that isolates can spawn other isolates and |
| // that the nested isolates can communicate with the main once the spawner has |
| // disappeared. |
| |
| #library('NestedSpawn2Test'); |
| #import("dart:isolate"); |
| #import('../../pkg/unittest/unittest.dart'); |
| |
| void isolateA() { |
| port.receive((msg, replyTo) { |
| Expect.equals("launch nested!", msg); |
| SendPort p = spawnFunction(isolateB); |
| p.send(replyTo, null); |
| port.close(); |
| }); |
| } |
| |
| String msg0 = "0 there?"; |
| String msg1 = "1 Yes."; |
| String msg2 = "2 great. Think the other one is already dead?"; |
| String msg3 = "3 Give him some time."; |
| String msg4 = "4 now?"; |
| String msg5 = "5 Now."; |
| String msg6 = "6 Great. Bye"; |
| |
| void _call(SendPort p, msg, void onreceive(m, replyTo)) { |
| final replyTo = new ReceivePort(); |
| p.send(msg, replyTo.toSendPort()); |
| replyTo.receive((m, r) { |
| replyTo.close(); |
| onreceive(m, r); |
| }); |
| } |
| |
| void isolateB() { |
| port.receive((mainPort, replyTo) { |
| port.close(); |
| // Do a little ping-pong dance to give the intermediate isolate |
| // time to die. |
| _call(mainPort, msg0, ((msg, replyTo) { |
| Expect.equals("1", msg[0]); |
| _call(replyTo, msg2, ((msg, replyTo) { |
| Expect.equals("3", msg[0]); |
| _call(replyTo, msg4, ((msg, replyTo) { |
| Expect.equals("5", msg[0]); |
| replyTo.send(msg6, null); |
| })); |
| })); |
| })); |
| }); |
| } |
| |
| main() { |
| test("spawned isolate can spawn other isolates", () { |
| SendPort port = spawnFunction(isolateA); |
| _call(port, "launch nested!", expectAsync2((msg, replyTo) { |
| Expect.equals("0", msg[0]); |
| _call(replyTo, msg1, expectAsync2((msg, replyTo) { |
| Expect.equals("2", msg[0]); |
| _call(replyTo, msg3, expectAsync2((msg, replyTo) { |
| Expect.equals("4", msg[0]); |
| _call(replyTo, msg5, expectAsync2((msg, replyTo) { |
| Expect.equals("6", msg[0]); |
| })); |
| })); |
| })); |
| })); |
| }); |
| } |