Ben Konyi
e2f92be5ae
Bug: Change-Id: Ib2e0effabc354b5864f59b0de6611381d7dfd0df Reviewed-on: https://dart-review.googlesource.com/11250 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Reviewed-by: Phil Quitslund <pquitslund@google.com>
77 lines
2.2 KiB
Dart
77 lines
2.2 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program for testing that isolates can spawn other isolates and
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// that the nested isolates can communicate with the main once the spawner has
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// disappeared.
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library NestedSpawn2Test;
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import 'dart:isolate';
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import 'package:unittest/unittest.dart';
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import "remote_unittest_helper.dart";
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void isolateA(SendPort init) {
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ReceivePort port = new ReceivePort();
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init.send(port.sendPort);
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port.first.then((message) {
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expect(message[0], "launch nested!");
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SendPort replyTo = message[1];
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Isolate.spawn(isolateB, replyTo);
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});
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}
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String msg0 = "0 there?";
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String msg1 = "1 Yes.";
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String msg2 = "2 great. Think the other one is already dead?";
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String msg3 = "3 Give him some time.";
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String msg4 = "4 now?";
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String msg5 = "5 Now.";
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String msg6 = "6 Great. Bye";
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void _call(SendPort p, msg, void onreceive(m, replyTo)) {
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final replyTo = new ReceivePort();
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p.send([msg, replyTo.sendPort]);
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replyTo.first.then((m) {
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onreceive(m[0], m[1]);
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});
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}
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void isolateB(SendPort mainPort) {
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// Do a little ping-pong dance to give the intermediate isolate
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// time to die.
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_call(mainPort, msg0, ((msg, replyTo) {
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expect(msg[0], "1");
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_call(replyTo, msg2, ((msg, replyTo) {
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expect(msg[0], "3");
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_call(replyTo, msg4, ((msg, replyTo) {
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expect(msg[0], "5");
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replyTo.send([msg6, null]);
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}));
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}));
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}));
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}
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void main([args, port]) {
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if (testRemote(main, port)) return;
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test("spawned isolate can spawn other isolates", () {
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ReceivePort init = new ReceivePort();
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Isolate.spawn(isolateA, init.sendPort);
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return init.first.then(expectAsync((port) {
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_call(port, "launch nested!", expectAsync((msg, replyTo) {
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expect(msg[0], "0");
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_call(replyTo, msg1, expectAsync((msg, replyTo) {
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expect(msg[0], "2");
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_call(replyTo, msg3, expectAsync((msg, replyTo) {
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expect(msg[0], "4");
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_call(replyTo, msg5, expectAsync((msg, _) {
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expect(msg[0], "6");
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}));
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}));
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}));
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}));
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}));
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});
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}
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