--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Copyright (C) 2016-2019 Ivailo Monev
+**
+** This file is part of the test suite of the Katie Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+
+#include <qtimer.h>
+#include <qbasictimer.h>
+#include <qthread.h>
+
+#if defined Q_OS_UNIX
+#include <unistd.h>
+#endif
+
+#include "../../shared/util.h"
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+#define TIMEOUT_TIMEOUT 2000
+#define MOVETOTHREAD_TIMEOUT 200
+#define MOVETOTHREAD_WAIT 5000
+
+class tst_QTimer : public QObject
+{
+ Q_OBJECT
+
+public:
+ tst_QTimer();
+ virtual ~tst_QTimer();
+
+
+public slots:
+ void initTestCase();
+ void cleanupTestCase();
+ void init();
+ void cleanup();
+private slots:
+ void zeroTimer();
+ void singleShotTimeout();
+ void timeout();
+ void livelock_data();
+ void livelock();
+ void timerInfiniteRecursion_data();
+ void timerInfiniteRecursion();
+ void recurringTimer_data();
+ void recurringTimer();
+ void deleteLaterOnQTimer(); // long name, don't want to shadow QObject::deleteLater()
+ void moveToThread();
+ void restartedTimerFiresTooSoon();
+ void timerFiresOnlyOncePerProcessEvents_data();
+ void timerFiresOnlyOncePerProcessEvents();
+ void timerIdPersistsAfterThreadExit();
+ void cancelLongTimer();
+ void singleShotStaticFunctionZeroTimeout();
+ void recurseOnTimeoutAndStopTimer();
+
+ void QTBUG13633_dontBlockEvents();
+ void postedEventsShouldNotStarveTimers();
+};
+
+class TimerHelper : public QObject
+{
+ Q_OBJECT
+public:
+ TimerHelper() : QObject(), count(0)
+ {
+ }
+
+ int count;
+
+public slots:
+ void timeout();
+};
+
+void TimerHelper::timeout()
+{
+ ++count;
+}
+
+tst_QTimer::tst_QTimer()
+{
+}
+
+tst_QTimer::~tst_QTimer()
+{
+}
+
+void tst_QTimer::initTestCase()
+{
+}
+
+void tst_QTimer::cleanupTestCase()
+{
+}
+
+void tst_QTimer::init()
+{
+}
+
+void tst_QTimer::cleanup()
+{
+}
+
+void tst_QTimer::zeroTimer()
+{
+ TimerHelper helper;
+ QTimer timer;
+ timer.setInterval(0);
+ timer.start();
+
+ connect(&timer, SIGNAL(timeout()), &helper, SLOT(timeout()));
+
+ QCoreApplication::processEvents();
+
+ QCOMPARE(helper.count, 1);
+}
+
+void tst_QTimer::singleShotTimeout()
+{
+ TimerHelper helper;
+ QTimer timer;
+ timer.setSingleShot(true);
+
+ connect(&timer, SIGNAL(timeout()), &helper, SLOT(timeout()));
+ timer.start(100);
+
+ QTest::qWait(500);
+ QCOMPARE(helper.count, 1);
+ QTest::qWait(500);
+ QCOMPARE(helper.count, 1);
+}
+
+void tst_QTimer::timeout()
+{
+ TimerHelper helper;
+ QTimer timer;
+
+ connect(&timer, SIGNAL(timeout()), &helper, SLOT(timeout()));
+ timer.start(100);
+
+ QCOMPARE(helper.count, 0);
+
+ QTest::qWait(TIMEOUT_TIMEOUT);
+ QVERIFY(helper.count > 0);
+ int oldCount = helper.count;
+
+ QTest::qWait(TIMEOUT_TIMEOUT);
+ QVERIFY(helper.count > oldCount);
+}
+
+
+void tst_QTimer::livelock_data()
+{
+ QTest::addColumn<int>("interval");
+ QTest::newRow("zero timer") << 0;
+ QTest::newRow("non-zero timer") << 1;
+ QTest::newRow("longer than sleep") << 20;
+}
+
+/*!
+ *
+ * DO NOT "FIX" THIS TEST! it is written like this for a reason, do
+ * not *change it without first dicussing it with its maintainers.
+ *
+*/
+class LiveLockTester : public QObject
+{
+public:
+ LiveLockTester(int i)
+ : interval(i),
+ timeoutsForFirst(0), timeoutsForExtra(0), timeoutsForSecond(0),
+ postEventAtRightTime(false)
+ {
+ firstTimerId = startTimer(interval);
+ extraTimerId = startTimer(interval + 80);
+ secondTimerId = -1; // started later
+ }
+
+ bool event(QEvent *e) {
+ if (e->type() == 4002) {
+ // got the posted event
+ if (timeoutsForFirst == 1 && timeoutsForSecond == 0)
+ postEventAtRightTime = true;
+ return true;
+ }
+ return QObject::event(e);
+ }
+
+ void timerEvent(QTimerEvent *te) {
+ if (te->timerId() == firstTimerId) {
+ if (++timeoutsForFirst == 1) {
+ killTimer(extraTimerId);
+ extraTimerId = -1;
+ QCoreApplication::postEvent(this, new QEvent(static_cast<QEvent::Type>(4002)));
+ secondTimerId = startTimer(interval);
+ }
+ } else if (te->timerId() == secondTimerId) {
+ ++timeoutsForSecond;
+ } else if (te->timerId() == extraTimerId) {
+ ++timeoutsForExtra;
+ }
+
+ // sleep for 2ms
+ QTest::qSleep(2);
+ killTimer(te->timerId());
+ }
+
+ const int interval;
+ int firstTimerId;
+ int secondTimerId;
+ int extraTimerId;
+ int timeoutsForFirst;
+ int timeoutsForExtra;
+ int timeoutsForSecond;
+ bool postEventAtRightTime;
+};
+
+void tst_QTimer::livelock()
+{
+ /*
+ New timers created in timer event handlers should not be sent
+ until the next iteration of the eventloop. Note: this test
+ depends on the fact that we send posted events before timer
+ events (since new posted events are not sent until the next
+ iteration of the eventloop either).
+ */
+ QFETCH(int, interval);
+ LiveLockTester tester(interval);
+ QTest::qWait(180); // we have to use wait here, since we're testing timers with a non-zero timeout
+ QTRY_COMPARE(tester.timeoutsForFirst, 1);
+ QCOMPARE(tester.timeoutsForExtra, 0);
+ QTRY_COMPARE(tester.timeoutsForSecond, 1);
+ QVERIFY(tester.postEventAtRightTime);
+}
+
+class TimerInfiniteRecursionObject : public QObject
+{
+public:
+ bool inTimerEvent;
+ bool timerEventRecursed;
+ int interval;
+
+ TimerInfiniteRecursionObject(int interval)
+ : inTimerEvent(false), timerEventRecursed(false), interval(interval)
+ { }
+
+ void timerEvent(QTimerEvent *timerEvent)
+ {
+ timerEventRecursed = inTimerEvent;
+ if (timerEventRecursed) {
+ // bug detected!
+ return;
+ }
+
+ inTimerEvent = true;
+
+ QEventLoop eventLoop;
+ QTimer::singleShot(qMax(100, interval * 2), &eventLoop, SLOT(quit()));
+ eventLoop.exec();
+
+ inTimerEvent = false;
+
+ killTimer(timerEvent->timerId());
+ }
+};
+
+void tst_QTimer::timerInfiniteRecursion_data()
+{
+ QTest::addColumn<int>("interval");
+ QTest::newRow("zero timer") << 0;
+ QTest::newRow("non-zero timer") << 1;
+ QTest::newRow("10ms timer") << 10;
+ QTest::newRow("11ms timer") << 11;
+ QTest::newRow("100ms timer") << 100;
+ QTest::newRow("1s timer") << 1000;
+}
+
+
+void tst_QTimer::timerInfiniteRecursion()
+{
+ QFETCH(int, interval);
+ TimerInfiniteRecursionObject object(interval);
+ (void) object.startTimer(interval);
+
+ QEventLoop eventLoop;
+ QTimer::singleShot(qMax(100, interval * 2), &eventLoop, SLOT(quit()));
+ eventLoop.exec();
+
+ QVERIFY(!object.timerEventRecursed);
+}
+
+class RecurringTimerObject : public QObject
+{
+Q_OBJECT
+public:
+ int times;
+ int target;
+ bool recurse;
+
+ RecurringTimerObject(int target)
+ : times(0), target(target), recurse(false)
+ { }
+
+ void timerEvent(QTimerEvent *timerEvent)
+ {
+ if (++times == target) {
+ killTimer(timerEvent->timerId());
+ emit done();
+ } if (recurse) {
+ QEventLoop eventLoop;
+ QTimer::singleShot(100, &eventLoop, SLOT(quit()));
+ eventLoop.exec();
+ }
+ }
+
+signals:
+ void done();
+};
+
+void tst_QTimer::recurringTimer_data()
+{
+ QTest::addColumn<int>("interval");
+ QTest::newRow("zero timer") << 0;
+ QTest::newRow("non-zero timer") << 1;
+}
+
+void tst_QTimer::recurringTimer()
+{
+ const int target = 5;
+ QFETCH(int, interval);
+
+ {
+ RecurringTimerObject object(target);
+ QObject::connect(&object, SIGNAL(done()), &QTestEventLoop::instance(), SLOT(exitLoop()));
+ (void) object.startTimer(interval);
+ QTestEventLoop::instance().enterLoop(5);
+
+ QCOMPARE(object.times, target);
+ }
+
+ {
+ // make sure that eventloop recursion doesn't effect timer recurrance
+ RecurringTimerObject object(target);
+ object.recurse = true;
+
+ QObject::connect(&object, SIGNAL(done()), &QTestEventLoop::instance(), SLOT(exitLoop()));
+ (void) object.startTimer(interval);
+ QTestEventLoop::instance().enterLoop(5);
+
+ QCOMPARE(object.times, target);
+ }
+}
+
+void tst_QTimer::deleteLaterOnQTimer()
+{
+ QTimer *timer = new QTimer;
+ connect(timer, SIGNAL(timeout()), timer, SLOT(deleteLater()));
+ connect(timer, SIGNAL(destroyed()), &QTestEventLoop::instance(), SLOT(exitLoop()));
+ timer->setInterval(1);
+ timer->setSingleShot(true);
+ timer->start();
+ QPointer<QTimer> pointer = timer;
+ QTestEventLoop::instance().enterLoop(5);
+ QVERIFY(pointer.isNull());
+}
+
+void tst_QTimer::moveToThread()
+{
+ QTimer ti1;
+ QTimer ti2;
+ ti1.start(MOVETOTHREAD_TIMEOUT);
+ ti2.start(MOVETOTHREAD_TIMEOUT);
+ QVERIFY((ti1.timerId() & 0xffffff) != (ti2.timerId() & 0xffffff));
+ QThread tr;
+ ti1.moveToThread(&tr);
+ connect(&ti1,SIGNAL(timeout()), &tr, SLOT(quit()));
+ tr.start();
+ QTimer ti3;
+ ti3.start(MOVETOTHREAD_TIMEOUT);
+ QVERIFY((ti3.timerId() & 0xffffff) != (ti2.timerId() & 0xffffff));
+ QVERIFY((ti3.timerId() & 0xffffff) != (ti1.timerId() & 0xffffff));
+ QTest::qWait(MOVETOTHREAD_WAIT);
+ QVERIFY(tr.wait());
+ ti2.stop();
+ QTimer ti4;
+ ti4.start(MOVETOTHREAD_TIMEOUT);
+ ti3.stop();
+ ti2.start(MOVETOTHREAD_TIMEOUT);
+ ti3.start(MOVETOTHREAD_TIMEOUT);
+ QVERIFY((ti4.timerId() & 0xffffff) != (ti2.timerId() & 0xffffff));
+ QVERIFY((ti3.timerId() & 0xffffff) != (ti2.timerId() & 0xffffff));
+ QVERIFY((ti3.timerId() & 0xffffff) != (ti1.timerId() & 0xffffff));
+}
+
+class RestartedTimerFiresTooSoonObject : public QObject
+{
+ Q_OBJECT
+
+public:
+ QBasicTimer m_timer;
+
+ int m_interval;
+ QTime m_startedTime;
+ QEventLoop eventLoop;
+
+ inline RestartedTimerFiresTooSoonObject()
+ : QObject(), m_interval(0)
+ { }
+
+ void timerFired()
+ {
+ static int interval = 1000;
+
+ m_interval = interval;
+ m_startedTime.start();
+ m_timer.start(interval, this);
+
+ // alternate between single-shot and 1 sec
+ interval = interval ? 0 : 1000;
+ }
+
+ void timerEvent(QTimerEvent* ev)
+ {
+ if (ev->timerId() != m_timer.timerId())
+ return;
+
+ m_timer.stop();
+
+ QTime now = QTime::currentTime();
+ int elapsed = m_startedTime.elapsed();
+
+ if (elapsed < m_interval / 2) {
+ // severely too early!
+ m_timer.stop();
+ eventLoop.exit(-1);
+ return;
+ }
+
+ timerFired();
+
+ // don't do this forever
+ static int count = 0;
+ if (count++ > 20) {
+ m_timer.stop();
+ eventLoop.quit();
+ return;
+ }
+ }
+};
+
+void tst_QTimer::restartedTimerFiresTooSoon()
+{
+ RestartedTimerFiresTooSoonObject object;
+ object.timerFired();
+ QVERIFY(object.eventLoop.exec() == 0);
+}
+
+class LongLastingSlotClass : public QObject
+{
+ Q_OBJECT
+
+public:
+ LongLastingSlotClass(QTimer *timer) : count(0), timer(timer) {}
+
+public slots:
+ void longLastingSlot()
+ {
+ // Don't use timers for this, because we are testing them.
+ QTime time;
+ time.start();
+ while (time.elapsed() < 200) {
+ for (int c = 0; c < 100000; c++) {} // Mindless looping.
+ }
+ if (++count >= 2) {
+ timer->stop();
+ }
+ }
+
+public:
+ int count;
+ QTimer *timer;
+};
+
+void tst_QTimer::timerFiresOnlyOncePerProcessEvents_data()
+{
+ QTest::addColumn<int>("interval");
+ QTest::newRow("zero timer") << 0;
+ QTest::newRow("non-zero timer") << 10;
+}
+
+void tst_QTimer::timerFiresOnlyOncePerProcessEvents()
+{
+ QFETCH(int, interval);
+
+ QTimer t;
+ LongLastingSlotClass longSlot(&t);
+ t.start(interval);
+ connect(&t, SIGNAL(timeout()), &longSlot, SLOT(longLastingSlot()));
+ // Loop because there may be other events pending.
+ while (longSlot.count == 0) {
+ QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents);
+ }
+
+ QCOMPARE(longSlot.count, 1);
+}
+
+class TimerIdPersistsAfterThreadExitThread : public QThread
+{
+public:
+ QTimer *timer;
+ int timerId, returnValue;
+
+ TimerIdPersistsAfterThreadExitThread()
+ : QThread(), timer(0), timerId(-1), returnValue(-1)
+ { }
+ ~TimerIdPersistsAfterThreadExitThread()
+ {
+ delete timer;
+ }
+
+ void run()
+ {
+ QEventLoop eventLoop;
+ timer = new QTimer;
+ connect(timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
+ timer->start(100);
+ timerId = timer->timerId();
+ returnValue = eventLoop.exec();
+ }
+};
+
+void tst_QTimer::timerIdPersistsAfterThreadExit()
+{
+ TimerIdPersistsAfterThreadExitThread thread;
+ thread.start();
+ QVERIFY(thread.wait(30000));
+ QCOMPARE(thread.returnValue, 0);
+
+ // even though the thread has exited, and the event dispatcher destroyed, the timer is still
+ // "active", meaning the timer id should NOT be reused (i.e. the event dispatcher should not
+ // have unregistered it)
+ int timerId = thread.startTimer(100);
+ QVERIFY((timerId & 0xffffff) != (thread.timerId & 0xffffff));
+}
+
+void tst_QTimer::cancelLongTimer()
+{
+ QTimer timer;
+ timer.setSingleShot(true);
+ timer.start(1000 * 60 * 60); //set timer for 1 hour (which would overflow Symbian RTimer)
+ QCoreApplication::processEvents();
+ QVERIFY(timer.isActive()); //if the timer completes immediately with an error, then this will fail
+ timer.stop();
+ QVERIFY(!timer.isActive());
+}
+
+void tst_QTimer::singleShotStaticFunctionZeroTimeout()
+{
+ TimerHelper helper;
+
+ QTimer::singleShot(0, &helper, SLOT(timeout()));
+ QTest::qWait(500);
+ QCOMPARE(helper.count, 1);
+ QTest::qWait(500);
+ QCOMPARE(helper.count, 1);
+}
+
+class RecursOnTimeoutAndStopTimerTimer : public QObject
+{
+ Q_OBJECT
+
+public:
+ QTimer *one;
+ QTimer *two;
+
+public slots:
+ void onetrigger()
+ {
+ QCoreApplication::processEvents();
+ }
+
+ void twotrigger()
+ {
+ one->stop();
+ }
+};
+
+void tst_QTimer::recurseOnTimeoutAndStopTimer()
+{
+ QEventLoop eventLoop;
+ QTimer::singleShot(1000, &eventLoop, SLOT(quit()));
+
+ RecursOnTimeoutAndStopTimerTimer t;
+ t.one = new QTimer(&t);
+ t.two = new QTimer(&t);
+
+ QObject::connect(t.one, SIGNAL(timeout()), &t, SLOT(onetrigger()));
+ QObject::connect(t.two, SIGNAL(timeout()), &t, SLOT(twotrigger()));
+
+ t.two->setSingleShot(true);
+
+ t.one->start();
+ t.two->start();
+
+ (void) eventLoop.exec();
+
+ QVERIFY(!t.one->isActive());
+ QVERIFY(!t.two->isActive());
+}
+
+
+
+class DontBlockEvents : public QObject
+{
+ Q_OBJECT
+public:
+ DontBlockEvents();
+ void timerEvent(QTimerEvent*);
+
+ int count;
+ int total;
+ QBasicTimer m_timer;
+
+public slots:
+ void paintEvent();
+
+};
+
+DontBlockEvents::DontBlockEvents()
+{
+ count = 0;
+ total = 0;
+
+ //QTBUG-13633 need few unrelated timer running to reproduce the bug.
+ (new QTimer(this))->start(2000);
+ (new QTimer(this))->start(2500);
+ (new QTimer(this))->start(3000);
+ (new QTimer(this))->start(5000);
+ (new QTimer(this))->start(1000);
+ (new QTimer(this))->start(2000);
+
+ m_timer.start(1, this);
+}
+
+void DontBlockEvents::timerEvent(QTimerEvent* event)
+{
+ if (event->timerId() == m_timer.timerId()) {
+ QMetaObject::invokeMethod(this, "paintEvent", Qt::QueuedConnection);
+ m_timer.start(0, this);
+ count++;
+ QCOMPARE(count, 1);
+ total++;
+ }
+}
+
+void DontBlockEvents::paintEvent()
+{
+ count--;
+ QCOMPARE(count, 0);
+}
+
+
+void tst_QTimer::QTBUG13633_dontBlockEvents()
+{
+ DontBlockEvents t;
+ QTest::qWait(60);
+ QTRY_VERIFY(t.total > 2);
+}
+
+class SlotRepeater : public QObject {
+ Q_OBJECT
+public:
+ SlotRepeater() {}
+
+public slots:
+ void repeatThisSlot()
+ {
+ QMetaObject::invokeMethod(this, "repeatThisSlot", Qt::QueuedConnection);
+ }
+};
+
+void tst_QTimer::postedEventsShouldNotStarveTimers()
+{
+ TimerHelper timerHelper;
+ QTimer timer;
+ connect(&timer, SIGNAL(timeout()), &timerHelper, SLOT(timeout()));
+ timer.setInterval(0);
+ timer.setSingleShot(false);
+ timer.start();
+ SlotRepeater slotRepeater;
+ slotRepeater.repeatThisSlot();
+ QTest::qWait(100);
+ QVERIFY(timerHelper.count > 5);
+}
+
+QTEST_MAIN(tst_QTimer)
+
+#include "moc_tst_qtimer.cpp"
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