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// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2016 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtGui/QGuiApplication>
#include <QTest>
#include <QSignalSpy>
#include <QtCore/QProcess>
class tst_QProcess_and_GuiEventLoop : public QObject
{
Q_OBJECT
private slots:
void waitForAndEventLoop();
};
void tst_QProcess_and_GuiEventLoop::waitForAndEventLoop()
{
#ifdef Q_OS_ANDROID
QSKIP("Not supported on Android");
#else
// based on testcase provided in QTBUG-39488
QByteArray msg = "Hello World";
QProcess process;
process.start("write-read-write/write-read-write", QStringList() << msg);
QVERIFY(process.waitForStarted(5000));
QVERIFY(process.waitForReadyRead(5000));
QCOMPARE(process.readAll().trimmed(), msg);
// run the GUI event dispatcher once
QSignalSpy spy(&process, SIGNAL(readyRead()));
qApp->processEvents(QEventLoop::AllEvents, 100);
// we mustn't have read anything in the event loop
QCOMPARE(spy.count(), 0);
// ensure the process hasn't died
QVERIFY(!process.waitForFinished(250));
// we mustn't have read anything during waitForFinished either
QCOMPARE(spy.count(), 0);
// release the child for the second write
process.write("\n");
QVERIFY(process.waitForFinished(5000));
QCOMPARE(int(process.exitStatus()), int(QProcess::NormalExit));
QCOMPARE(process.exitCode(), 0);
QCOMPARE(spy.count(), 1);
QCOMPARE(process.readAll().trimmed(), msg);
#endif
}
QTEST_MAIN(tst_QProcess_and_GuiEventLoop)
#include "tst_qprocess_and_guieventloop.moc"
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