qt5base-lts/tests/auto/qobjectrace/tst_qobjectrace.cpp
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

283 lines
7.5 KiB
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the test suite of the Qt Toolkit.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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** 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
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#include <QtCore>
#include <QtTest/QtTest>
enum { OneMinute = 60 * 1000,
TwoMinutes = OneMinute * 2,
TenMinutes = OneMinute * 10,
TwentyFiveMinutes = OneMinute * 25 };
class tst_QObjectRace: public QObject
{
Q_OBJECT
private slots:
void moveToThreadRace();
void destroyRace();
};
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 = 35 };
if ((++count % step) == 0) {
QThread *nextThread = threads.at((count / step) % threads.size());
moveToThread(nextThread);
}
}
void destroSlot() {
emit theSignal();
}
signals:
void theSignal();
};
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()
{
#if defined(Q_OS_WINCE) || defined(Q_OS_VXWORKS)
if (stopWatch.elapsed() >= OneMinute / 2)
#else
if (stopWatch.elapsed() >= OneMinute)
#endif
quit();
QObject o;
connect(&o, SIGNAL(destroyed()) , object, SLOT(destroSlot()));
connect(object, SIGNAL(destroyed()) , &o, SLOT(deleteLater()));
}
};
void tst_QObjectRace::moveToThreadRace()
{
#if defined(Q_OS_SYMBIAN)
// ### FIXME: task 257411 - remove xfail once this is fixed
QEXPECT_FAIL("", "Symbian event dispatcher can't handle this kind of race, see task: 257411", Abort);
QVERIFY(false);
#endif
RaceObject *object = new RaceObject;
enum { ThreadCount = 6 };
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();
while(!threads[0]->isFinished()) {
QPointer<RaceObject> foo (object);
QObject o;
connect(&o, SIGNAL(destroyed()) , object, SLOT(destroSlot()));
connect(object, SIGNAL(destroyed()) , &o, SLOT(deleteLater()));
QTest::qWait(10);
}
// the other threads should finish pretty quickly now
for (int i = 1; i < ThreadCount; ++i)
QVERIFY(threads[i]->wait(300));
for (int i = 0; i < ThreadCount; ++i)
delete threads[i];
delete object;
}
class MyObject : public QObject
{ Q_OBJECT
public slots:
void slot1() { emit signal1(); }
void slot2() { emit signal2(); }
void slot3() { emit signal3(); }
void slot4() { emit signal4(); }
void slot5() { emit signal5(); }
void slot6() { emit signal6(); }
void slot7() { emit signal7(); }
signals:
void signal1();
void signal2();
void signal3();
void signal4();
void signal5();
void signal6();
void signal7();
};
class DestroyThread : public QThread
{
Q_OBJECT
QObject **objects;
int number;
public:
void setObjects(QObject **o, int n)
{
objects = o;
number = n;
for(int i = 0; i < number; i++)
objects[i]->moveToThread(this);
}
void run() {
for(int i = 0; i < number; i++)
delete objects[i];
}
};
#if defined(Q_OS_SYMBIAN)
// Symbian needs "a bit" more time
# define EXTRA_THREAD_WAIT TenMinutes
# define MAIN_THREAD_WAIT TwentyFiveMinutes
#else
# define EXTRA_THREAD_WAIT 3000
# define MAIN_THREAD_WAIT TwoMinutes
#endif
void tst_QObjectRace::destroyRace()
{
#if defined(Q_OS_SYMBIAN) && defined(Q_CC_NOKIAX86)
// ### FIXME: task 257411 - remove xfail once this is fixed.
// Oddly enough, this seems to work properly in HW, if given enough time and memory.
QEXPECT_FAIL("", "Symbian event dispatcher can't handle this kind of race on emulator, see task: 257411", Abort);
QVERIFY(false);
#endif
enum { ThreadCount = 10, ObjectCountPerThread = 733,
ObjectCount = ThreadCount * ObjectCountPerThread };
const char *_slots[] = { SLOT(slot1()) , SLOT(slot2()) , SLOT(slot3()),
SLOT(slot4()) , SLOT(slot5()) , SLOT(slot6()),
SLOT(slot7()) };
const char *_signals[] = { SIGNAL(signal1()), SIGNAL(signal2()), SIGNAL(signal3()),
SIGNAL(signal4()), SIGNAL(signal5()), SIGNAL(signal6()),
SIGNAL(signal7()) };
QObject *objects[ObjectCount];
for (int i = 0; i < ObjectCount; ++i)
objects[i] = new MyObject;
for (int i = 0; i < ObjectCount * 11; ++i) {
connect(objects[(i*13) % ObjectCount], _signals[(2*i)%7],
objects[((i+2)*17) % ObjectCount], _slots[(3*i+2)%7] );
connect(objects[((i+6)*23) % ObjectCount], _signals[(5*i+4)%7],
objects[((i+8)*41) % ObjectCount], _slots[(i+6)%7] );
}
DestroyThread *threads[ThreadCount];
for (int i = 0; i < ThreadCount; ++i) {
threads[i] = new DestroyThread;
threads[i]->setObjects(objects + i*ObjectCountPerThread, ObjectCountPerThread);
}
for (int i = 0; i < ThreadCount; ++i)
threads[i]->start();
QVERIFY(threads[0]->wait(MAIN_THREAD_WAIT));
// the other threads should finish pretty quickly now
for (int i = 1; i < ThreadCount; ++i)
QVERIFY(threads[i]->wait(EXTRA_THREAD_WAIT));
for (int i = 0; i < ThreadCount; ++i)
delete threads[i];
}
QTEST_MAIN(tst_QObjectRace)
#include "tst_qobjectrace.moc"