dgrove@google.com
c265902bea
Review URL: https://chromiumcodereview.appspot.com//10836241 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@10685 260f80e4-7a28-3924-810f-c04153c831b5
74 lines
2.1 KiB
Dart
74 lines
2.1 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('../../pkg/unittest/unittest.dart');
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void isolateA() {
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port.receive((msg, replyTo) {
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Expect.equals("launch nested!", msg);
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SendPort p = spawnFunction(isolateB);
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p.send(replyTo, null);
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port.close();
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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.toSendPort());
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replyTo.receive((m, r) {
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replyTo.close();
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onreceive(m, r);
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});
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}
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void isolateB() {
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port.receive((mainPort, replyTo) {
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port.close();
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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.equals("1", msg[0]);
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_call(replyTo, msg2, ((msg, replyTo) {
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Expect.equals("3", msg[0]);
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_call(replyTo, msg4, ((msg, replyTo) {
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Expect.equals("5", msg[0]);
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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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}
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main() {
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test("spawned isolate can spawn other isolates", () {
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SendPort port = spawnFunction(isolateA);
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_call(port, "launch nested!", expectAsync2((msg, replyTo) {
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Expect.equals("0", msg[0]);
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_call(replyTo, msg1, expectAsync2((msg, replyTo) {
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Expect.equals("2", msg[0]);
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_call(replyTo, msg3, expectAsync2((msg, replyTo) {
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Expect.equals("4", msg[0]);
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_call(replyTo, msg5, expectAsync2((msg, replyTo) {
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Expect.equals("6", msg[0]);
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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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