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28 | |
29 | #include <QtGui/QGuiApplication> |
30 | #include <QtTest/QtTest> |
31 | #include <QtCore/QProcess> |
32 | |
33 | class tst_QProcess_and_GuiEventLoop : public QObject |
34 | { |
35 | Q_OBJECT |
36 | private slots: |
37 | void waitForAndEventLoop(); |
38 | }; |
39 | |
40 | |
41 | void tst_QProcess_and_GuiEventLoop::waitForAndEventLoop() |
42 | { |
43 | #if defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED) |
44 | QSKIP("Not supported on Android" ); |
45 | #else |
46 | |
47 | // based on testcase provided in QTBUG-39488 |
48 | QByteArray msg = "Hello World" ; |
49 | |
50 | QProcess process; |
51 | process.start(program: "write-read-write/write-read-write" , arguments: QStringList() << msg); |
52 | QVERIFY(process.waitForStarted(5000)); |
53 | QVERIFY(process.waitForReadyRead(5000)); |
54 | QCOMPARE(process.readAll().trimmed(), msg); |
55 | |
56 | // run the GUI event dispatcher once |
57 | QSignalSpy spy(&process, SIGNAL(readyRead())); |
58 | qApp->processEvents(flags: QEventLoop::AllEvents, maxtime: 100); |
59 | |
60 | // we mustn't have read anything in the event loop |
61 | QCOMPARE(spy.count(), 0); |
62 | |
63 | // ensure the process hasn't died |
64 | QVERIFY(!process.waitForFinished(250)); |
65 | |
66 | // we mustn't have read anything during waitForFinished either |
67 | QCOMPARE(spy.count(), 0); |
68 | |
69 | // release the child for the second write |
70 | process.write(data: "\n" ); |
71 | QVERIFY(process.waitForFinished(5000)); |
72 | QCOMPARE(int(process.exitStatus()), int(QProcess::NormalExit)); |
73 | QCOMPARE(process.exitCode(), 0); |
74 | QCOMPARE(spy.count(), 1); |
75 | QCOMPARE(process.readAll().trimmed(), msg); |
76 | #endif |
77 | } |
78 | |
79 | QTEST_MAIN(tst_QProcess_and_GuiEventLoop) |
80 | |
81 | #include "tst_qprocess_and_guieventloop.moc" |
82 | |