--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qobjectrace/tst_qobjectrace.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,282 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#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"