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Side by Side Diff: tests/standalone/io/signals_test.dart

Issue 108003009: Signal handling. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Nicer API and Android+Mac versions. Created 7 years ago
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1 // Copyright (c) 2013, 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 import "dart:io";
6
7 import "package:expect/expect.dart";
8 import "package:async_helper/async_helper.dart";
9
10 void testSignals(int usr1Expect,
11 int usr2Expect,
12 [int usr1Send,
13 int usr2Send,
14 bool shouldFail = false]) {
15 if (usr1Send == null) usr1Send = usr1Expect;
16 if (usr2Send == null) usr2Send = usr2Expect;
17 asyncStart();
18 Process.start(Platform.executable,
19 [Platform.script.resolve('signals_test_script.dart').toFilePath(),
20 usr1Expect.toString(),
21 usr2Expect.toString()])
22 .then((process) {
23 process.stdin.close();
24 process.stderr.drain();
25 int v = 0;
26 process.stdout.listen((out) {
27 // Send as many signals as 'ready\n' received on stdout
28 int count = out.where((c) => c == '\n'.codeUnitAt(0)).length;
29 for (int i = 0; i < count; i++) {
30 if (v < usr1Send) {
31 process.kill(ProcessSignal.SIGUSR1);
32 } else if (v < usr1Send + usr2Send) {
33 process.kill(ProcessSignal.SIGUSR2);
34 }
35 v++;
36 }
37 });
38 process.exitCode.then((exitCode) {
39 Expect.equals(shouldFail, exitCode != 0);
40 asyncEnd();
41 });
42 });
43 }
44
45
46 void testListenCancel() {
47 for (int i = 0; i < 10; i++) {
48 ProcessSignal.SIGUSR1.watch().listen(null).cancel();
49 }
50 }
51
52 void main() {
53 testListenCancel();
54 if (Platform.isWindows) return;
55 testSignals(0, 0);
56 testSignals(1, 0);
57 testSignals(0, 1);
58 testSignals(1, 1);
59 testSignals(10, 10);
60 testSignals(10, 1);
61 testSignals(1, 10);
62 testSignals(1, 0, 0, 1, true);
63 testSignals(0, 1, 1, 0, true);
64 }
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