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Side by Side Diff: tests/isolate/v2_unresolved_ports_test.dart

Issue 10837070: Remove old isolate API and update all code in the repository to use (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address review comments. Created 8 years, 4 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4
5 // spawns multiple isolates and sends unresolved ports between them.
6 #library('unresolved_ports');
7 #import('dart:isolate');
8 #import('../../lib/unittest/unittest.dart');
9
10 // This test does the following:
11 // - main spawns two isolates: 'tim' and 'beth'
12 // - 'tim' spawns an isolate: 'bob'
13 // - main starts a message chain:
14 // main -> beth -> tim -> bob -> main
15 // by giving 'beth' a send-port to 'tim'.
16
17 bethIsolate() {
18 port.receive((msg, reply) => msg[1].send(
19 '${msg[0]}\nBeth says: Tim are you coming? And Bob?', reply));
20 }
21
22 timIsolate() {
23 SendPort bob = spawnFunction(bobIsolate);
24 port.receive((msg, reply) => bob.send(
25 '$msg\nTim says: Can you tell "main" that we are all coming?', reply));
26 }
27
28 bobIsolate() {
29 port.receive((msg, reply) => reply.send(
30 '$msg\nBob says: we are all coming!'));
31 }
32
33 main() {
34 test('Message chain with unresolved ports', () {
35 ReceivePort port = new ReceivePort();
36 port.receive(expectAsync2((msg, _) {
37 expect(msg, equals('main says: Beth, find out if Tim is coming.'
38 '\nBeth says: Tim are you coming? And Bob?'
39 '\nTim says: Can you tell "main" that we are all coming?'
40 '\nBob says: we are all coming!'));
41 port.close();
42 }));
43
44 SendPort tim = spawnFunction(timIsolate);
45 SendPort beth = spawnFunction(bethIsolate);
46
47 beth.send(
48 // because tim is created asynchronously, here we are sending an
49 // unresolved port:
50 ['main says: Beth, find out if Tim is coming.', tim],
51 port.toSendPort());
52 });
53 }
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