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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtTest/QtTest>
enum { OneMinute = 60 * 1000, TwoMinutes = OneMinute * 2 };
class tst_QObjectRace: public QObject
{
Q_OBJECT
private slots:
void moveToThreadRace();
};
class RaceObject : public QObject
{
Q_OBJECT
QList<QThread *> threads;
int count;
public:
RaceObject()
: count(0)
{ }
void addThread(QThread *thread)
{ threads.append(thread); }
public slots:
void theSlot()
{
enum { step = 1000 };
if ((++count % step) == 0) {
QThread *nextThread = threads.at((count / step) % threads.size());
moveToThread(nextThread);
}
}
};
class RaceThread : public QThread
{
Q_OBJECT
RaceObject *object;
QTime stopWatch;
public:
RaceThread()
: object(0)
{ }
void setObject(RaceObject *o)
{
object = o;
object->addThread(this);
}
void start() {
stopWatch.start();
QThread::start();
}
void run() {
QTimer zeroTimer;
connect(&zeroTimer, SIGNAL(timeout()), object, SLOT(theSlot()));
connect(&zeroTimer, SIGNAL(timeout()), this, SLOT(checkStopWatch()), Qt::DirectConnection);
zeroTimer.start(0);
(void) exec();
}
signals:
void theSignal();
private slots:
void checkStopWatch()
{
#ifndef Q_OS_WINCE
if (stopWatch.elapsed() >= OneMinute)
#else
if (stopWatch.elapsed() >= OneMinute / 2)
#endif
quit();
}
};
void tst_QObjectRace::moveToThreadRace()
{
RaceObject *object = new RaceObject;
enum { ThreadCount = 10 };
RaceThread *threads[ThreadCount];
for (int i = 0; i < ThreadCount; ++i) {
threads[i] = new RaceThread;
threads[i]->setObject(object);
}
object->moveToThread(threads[0]);
for (int i = 0; i < ThreadCount; ++i)
threads[i]->start();
QVERIFY(threads[0]->wait(TwoMinutes));
// the other threads should finish pretty quickly now
for (int i = 1; i < ThreadCount; ++i)
QVERIFY(threads[i]->wait(30000));
for (int i = 0; i < ThreadCount; ++i)
delete threads[i];
delete object;
}
QTEST_MAIN(tst_QObjectRace)
#include "tst_qobjectrace.moc"
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