Files
sdk/tests/isolate/nested_spawn2_test.dart
T
gram@google.com 981c4b11df Restructure pkg/unittest and pkg/webdriver to follow the pub conventions.
This means all imports of unittest in our test code had to change to include 'lib' in the path.
While doing that change I changed the library/imports to the new syntax in the affected files.
Review URL: https://codereview.chromium.org//11301046

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@14443 260f80e4-7a28-3924-810f-c04153c831b5
2012-11-01 23:09:47 +00:00

74 lines
2.0 KiB
Dart

// 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/lib/unittest.dart';
void isolateA() {
port.receive((msg, replyTo) {
expect(msg, "launch nested!");
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(msg[0], "1");
_call(replyTo, msg2, ((msg, replyTo) {
expect(msg[0], "3");
_call(replyTo, msg4, ((msg, replyTo) {
expect(msg[0], "5");
replyTo.send(msg6, null);
}));
}));
}));
});
}
main() {
test("spawned isolate can spawn other isolates", () {
SendPort port = spawnFunction(isolateA);
_call(port, "launch nested!", expectAsync2((msg, replyTo) {
expect(msg[0], "0");
_call(replyTo, msg1, expectAsync2((msg, replyTo) {
expect(msg[0], "2");
_call(replyTo, msg3, expectAsync2((msg, replyTo) {
expect(msg[0], "4");
_call(replyTo, msg5, expectAsync2((msg, replyTo) {
expect(msg[0], "6");
}));
}));
}));
}));
});
}