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/*
signalspycallbacktest.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "baseprobetest.h"
#include <QPointer>
using namespace GammaRay;
class Sender : public QObject
{
Q_OBJECT
public:
void emitSignal()
{
emit mySignal();
}
signals:
void mySignal();
};
class Receiver : public QObject
{
Q_OBJECT
public slots:
void senderDeletingSlot()
{
delete sender();
}
};
class SignalSpyCallbackTest : public BaseProbeTest
{
Q_OBJECT
private slots:
void testSenderDeletion()
{
createProbe();
QPointer<Sender> s1 = new Sender;
QPointer<Sender> s2 = new Sender;
Receiver r;
connect(s1.data(), &Sender::mySignal, &r, &Receiver::senderDeletingSlot);
s1->emitSignal(); // must not crash
QVERIFY(s1.isNull());
// give the probe time to process s and r2 (needs one event loop re-entry)
QTest::qWait(1);
connect(s2.data(), &Sender::mySignal, &r, &Receiver::senderDeletingSlot);
s2->emitSignal(); // must not crash
QVERIFY(s2.isNull());
delete s1.data();
delete s2.data();
} // NOLINT(clang-analyzer-cplusplus.NewDeleteLeaks)
static void cleanupTestCase()
{
// explicitly delete the probe as our usual cleanup doesn't work since we will
// not get qApp::aboutToQuit() from QTest::qExec(), and then we end up with
// still alive QSFPM when the static deleter kills the source model null object
// used by them internally, which then crashes with Qt4...
delete Probe::instance();
}
};
QTEST_MAIN(SignalSpyCallbackTest)
#include "signalspycallbacktest.moc"
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