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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qwineventnotifier.h>
#include <qtimer.h>
#include <qt_windows.h>
#include <memory>
class tst_QWinEventNotifier : public QObject
{
Q_OBJECT
protected slots:
void simple_activated();
void simple_timerSet();
private slots:
void simple_data();
void simple();
void manyNotifiers();
private:
HANDLE simpleHEvent;
bool simpleActivated;
};
void tst_QWinEventNotifier::simple_activated()
{
simpleActivated = true;
ResetEvent((HANDLE)simpleHEvent);
QTestEventLoop::instance().exitLoop();
}
void tst_QWinEventNotifier::simple_timerSet()
{
SetEvent((HANDLE)simpleHEvent);
}
void tst_QWinEventNotifier::simple_data()
{
QTest::addColumn<bool>("resetManually");
QTest::newRow("manual_reset") << true;
QTest::newRow("auto_reset") << false;
}
void tst_QWinEventNotifier::simple()
{
QFETCH(bool, resetManually);
simpleHEvent = CreateEvent(0, resetManually, false, 0);
QVERIFY(simpleHEvent);
QWinEventNotifier n(simpleHEvent);
QObject::connect(&n, SIGNAL(activated(HANDLE)), this, SLOT(simple_activated()));
simpleActivated = false;
SetEvent((HANDLE)simpleHEvent);
QTestEventLoop::instance().enterLoop(30);
if (QTestEventLoop::instance().timeout())
QFAIL("Timed out");
QVERIFY(simpleActivated);
simpleActivated = false;
QTimer::singleShot(3000, this, SLOT(simple_timerSet()));
QTestEventLoop::instance().enterLoop(30);
if (QTestEventLoop::instance().timeout())
QFAIL("Timed out");
QVERIFY(simpleActivated);
}
class EventWithNotifier : public QObject
{
Q_OBJECT
public:
EventWithNotifier()
{
connect(¬ifier, &QWinEventNotifier::activated,
this, &EventWithNotifier::onNotifierActivated);
notifier.setHandle(CreateEvent(0, TRUE, FALSE, 0));
notifier.setEnabled(true);
static int nextIndex = 0;
idx = nextIndex++;
}
~EventWithNotifier()
{
notifier.setEnabled(false);
CloseHandle(notifier.handle());
}
HANDLE eventHandle() const { return notifier.handle(); }
int numberOfTimesActivated() const { return activatedCount; }
signals:
void activated();
public slots:
void onNotifierActivated()
{
ResetEvent(notifier.handle());
activatedCount++;
emit activated();
}
private:
QWinEventNotifier notifier;
int activatedCount = 0;
int idx = 0;
};
void tst_QWinEventNotifier::manyNotifiers()
{
const size_t maxEvents = 100;
const size_t middleEvenEvent = maxEvents / 2;
Q_ASSERT(middleEvenEvent % 2 == 0);
using EventWithNotifierPtr = std::unique_ptr<EventWithNotifier>;
std::vector<EventWithNotifierPtr> events(maxEvents);
std::generate(events.begin(), events.end(), [] () {
return EventWithNotifierPtr(new EventWithNotifier);
});
QTestEventLoop loop;
auto connection = connect(events.at(8).get(), &EventWithNotifier::activated, &loop, &QTestEventLoop::exitLoop);
for (const auto &ewn : events) {
connect(ewn.get(), &EventWithNotifier::activated, [&events, &loop] () {
if (std::all_of(events.cbegin(), events.cend(),
[] (const EventWithNotifierPtr &ewn) {
return ewn->numberOfTimesActivated() > 0; })) {
loop.exitLoop();
}
});
}
// Activate all even events before running the event loop.
for (size_t i = 0; i < events.size(); i += 2)
SetEvent(events.at(i)->eventHandle());
// Wait until event notifier with index 8 has been activated.
loop.enterLoop(30);
QObject::disconnect(connection);
// Activate all odd events after the event loop has run for a bit.
for (size_t i = 1; i < events.size(); i += 2)
SetEvent(events.at(i)->eventHandle());
// Wait until all event notifiers have fired.
loop.enterLoop(30);
// All notifiers must have been activated exactly once.
QVERIFY(std::all_of(events.cbegin(), events.cend(), [] (const EventWithNotifierPtr &ewn) {
return ewn->numberOfTimesActivated() == 1;
}));
}
QTEST_MAIN(tst_QWinEventNotifier)
#include "tst_qwineventnotifier.moc"
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