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#include <QtTest/QtTest>

#include <qtimeline.h>

//TESTED_CLASS=

//TESTED_FILES=

class tst_QTimeLine : public QObject {

  Q_OBJECT

public:

    tst_QTimeLine();

    virtual ~tst_QTimeLine();

public Q_SLOTS:

    void init();

    void cleanup();

private slots:

    void range();

    void currentTime();

    void duration();

    void frameRate();

    void value();

    void currentFrame();

    void loopCount();

    void interpolation();

    void reverse_data();

    void reverse();

    //void toggle();

    //void reset(); ### todo

    void frameChanged();

    void stopped();

    void finished();

    void isRunning();

    void multipleTimeLines();

    void sineCurve();

    void cosineCurve();

    void outOfRange();

    void stateInFinishedSignal();

    void resume();

    void restart();

protected slots:

    void finishedSlot();

protected:

    QTimeLine::State state;

    QTimeLine * view;

};

tst_QTimeLine::tst_QTimeLine()

{

}

tst_QTimeLine::~tst_QTimeLine()

{

}

void tst_QTimeLine::init()

{

}

void tst_QTimeLine::cleanup()

{

}

#include <qdebug.h>

void tst_QTimeLine::range()

{

#ifdef Q_OS_WINCE //On WinCE timer resolution is bad - using longer times instead

    QTimeLine timeLine(2000);

#else

    QTimeLine timeLine(200);

#endif

    QCOMPARE(timeLine.startFrame(), 0);

    QCOMPARE(timeLine.endFrame(), 0);

    timeLine.setFrameRange(0, 1);

    QCOMPARE(timeLine.startFrame(), 0);

    QCOMPARE(timeLine.endFrame(), 1);

    timeLine.setFrameRange(10, 20);

    QCOMPARE(timeLine.startFrame(), 10);

    QCOMPARE(timeLine.endFrame(), 20);

    timeLine.setStartFrame(6);

    QCOMPARE(timeLine.startFrame(), 6);

    timeLine.setEndFrame(16);

    QCOMPARE(timeLine.endFrame(), 16);

    // Verify that you can change the range in the timeLine

    timeLine.setFrameRange(10, 20);

    QSignalSpy spy(&timeLine, SIGNAL(frameChanged(int)));

    timeLine.start();

#ifdef Q_OS_WINCE

	QTest::qWait(1000);

#else

	QTest::qWait(100);

#endif

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    int oldValue = timeLine.currentFrame();

    timeLine.setFrameRange(0, 5);

    QVERIFY(timeLine.currentFrame() < oldValue);

    timeLine.setEndFrame(100);

    timeLine.setStartFrame(50);

    QVERIFY(timeLine.currentFrame() > oldValue);

    timeLine.setFrameRange(0, 5);

#ifdef Q_OS_WINCE

    QTest::qWait(500);

#else

    QTest::qWait(50);

#endif

    QVERIFY(spy.count() > 1);

    QVERIFY(timeLine.currentFrame() < oldValue);

}

void tst_QTimeLine::currentTime()

{

    QTimeLine timeLine(2000);

    timeLine.setUpdateInterval((timeLine.duration()/2) / 33);

    qRegisterMetaType<qreal>("qreal");

    QSignalSpy spy(&timeLine, SIGNAL(valueChanged(qreal)));

    timeLine.setFrameRange(10, 20);

    QCOMPARE(timeLine.currentTime(), 0);

    timeLine.start();

    QTest::qWait(timeLine.duration()/2);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    QVERIFY(timeLine.currentTime() > timeLine.duration()/2 - timeLine.duration()/10);

    QVERIFY(timeLine.currentTime() < timeLine.duration()/2 + timeLine.duration()/10);

    QTest::qWait(timeLine.duration()/4 + timeLine.duration());

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    QCOMPARE(timeLine.currentTime(), timeLine.duration());

    spy.clear();

    timeLine.setCurrentTime(timeLine.duration()/2);

    timeLine.setCurrentTime(timeLine.duration()/2);

    QCOMPARE(spy.count(), 1);

    spy.clear();

    QCOMPARE(timeLine.currentTime(), timeLine.duration()/2);

    timeLine.resume();

    // Let it update on its own

    QTest::qWait(timeLine.duration()/4);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    QVERIFY(timeLine.currentTime() > timeLine.duration()/2);

    QVERIFY(timeLine.currentTime() < timeLine.duration());

    QTest::qWait(timeLine.duration()/4 + timeLine.duration());

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    QVERIFY(timeLine.currentTime() == timeLine.duration());

    // Reverse should decrease the currentTime

    timeLine.setCurrentTime(timeLine.duration()/2);

    timeLine.start();

    // Let it update on its own

    QTest::qWait(timeLine.duration()/4);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    int currentTime = timeLine.currentTime();

    timeLine.setDirection(QTimeLine::Backward);

    QTest::qWait(timeLine.duration()/4);

    QVERIFY(timeLine.currentTime() < currentTime);

    timeLine.stop();

}

void tst_QTimeLine::duration()

{

    QTimeLine timeLine(200);

    timeLine.setFrameRange(10, 20);

    QCOMPARE(timeLine.duration(), 200);

    timeLine.setDuration(1000);

    QCOMPARE(timeLine.duration(), 1000);

    timeLine.start();

    QTest::qWait(999);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    QVERIFY(timeLine.currentTime() > 0.9);

    QTest::qWait(50);

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    // The duration shouldn't change

    QCOMPARE(timeLine.duration(), 1000);

}

void tst_QTimeLine::frameRate()

{

    QTimeLine timeLine;

    timeLine.setFrameRange(10, 20);

    QCOMPARE(timeLine.updateInterval(), 1000 / 25);

    timeLine.setUpdateInterval(1000 / 60);

    QCOMPARE(timeLine.updateInterval(), 1000 / 60);

    // Default speed

    timeLine.setUpdateInterval(1000 / 33);

    QSignalSpy spy(&timeLine, SIGNAL(frameChanged(int)));

    timeLine.start();

    QTest::qWait(timeLine.duration()*2);

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    int slowCount = spy.count();

    // Faster!!

    timeLine.setUpdateInterval(1000 / 100);

    spy.clear();

    timeLine.setCurrentTime(0);

    timeLine.start();

    QTest::qWait(timeLine.duration()*2);

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    QVERIFY(slowCount < spy.count());

}

void tst_QTimeLine::value()

{

#ifdef Q_OS_WINCE //On WinCE timer resolution is bad - use longer times

    QTimeLine timeLine(2000);

#else

    QTimeLine timeLine(200);

#endif

    QVERIFY(timeLine.currentValue() == 0.0);

    // Default speed

    qRegisterMetaType<qreal>("qreal");

    QSignalSpy spy(&timeLine, SIGNAL(valueChanged(qreal)));

    timeLine.start();

    QTest::qWait(timeLine.duration()/3);

    QVERIFY(timeLine.currentValue() > 0);

    QTest::qWait(timeLine.duration());

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    qreal currentValue = timeLine.currentValue();

    QVERIFY(currentValue == 1);

    QVERIFY(spy.count() > 0);

    // Reverse should decrease the value

    timeLine.setCurrentTime(100);

    timeLine.start();

    // Let it update on its own

#ifdef Q_OS_WINCE

    QTest::qWait(500);

#else

    QTest::qWait(50);

#endif

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    qreal value = timeLine.currentValue();

    timeLine.setDirection(QTimeLine::Backward);

#ifdef Q_OS_WINCE

    QTest::qWait(1000);

#else

    QTest::qWait(100);

#endif

    QVERIFY(timeLine.currentValue() < value);

    timeLine.stop();

}

void tst_QTimeLine::currentFrame()

{

    QTimeLine timeLine(2000);

    timeLine.setFrameRange(10, 20);

    QCOMPARE(timeLine.currentFrame(), 10);

    // Default speed

    QSignalSpy spy(&timeLine, SIGNAL(frameChanged(int)));

    timeLine.start();

    QTest::qWait(timeLine.duration()/3);

    QVERIFY(timeLine.currentFrame() > 10);

    QTest::qWait(timeLine.duration());

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    QCOMPARE(timeLine.currentFrame(), 20);

    // Reverse should decrease the value

    timeLine.setCurrentTime(timeLine.duration()/2);

    timeLine.start();

    // Let it update on its own

    QTest::qWait(timeLine.duration()/4);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    int value = timeLine.currentFrame();

    timeLine.setDirection(QTimeLine::Backward);

    QTest::qWait(timeLine.duration()/2);

    QVERIFY(timeLine.currentFrame() < value);

    timeLine.stop();

}

void tst_QTimeLine::loopCount()

{

    QTimeLine timeLine(200);

    QCOMPARE(timeLine.loopCount(), 1);

    timeLine.setFrameRange(10, 20);

    QCOMPARE(timeLine.loopCount(), 1);

    timeLine.setLoopCount(0);

    QCOMPARE(timeLine.loopCount(), 0);

    // Default speed infiniti looping

    QSignalSpy spy(&timeLine, SIGNAL(frameChanged(int)));

    timeLine.start();

    QTest::qWait(timeLine.duration());

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    //QCOMPARE(timeLine.currentFrame(), 20);

    QTest::qWait(timeLine.duration()*6);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    QVERIFY(timeLine.currentTime() >= 0);

    QVERIFY(timeLine.currentFrame() >= 10);

    QVERIFY(timeLine.currentFrame() <= 20);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    timeLine.stop();

    timeLine.setDuration(2500); // ### some platforms have a very low resolution timer

	timeLine.setFrameRange(0, 2);

    timeLine.setLoopCount(4);

    QSignalSpy finishedSpy(&timeLine, SIGNAL(finished()));

    QSignalSpy frameChangedSpy(&timeLine, SIGNAL(frameChanged(int)));

    QEventLoop loop;

    connect(&timeLine, SIGNAL(finished()), &loop, SLOT(quit()));

    for(int i=0;i<2;i++) {

        timeLine.start();

        //we clear te list after the start so we don't catch

        //a frameChanged signal for the frame 0 at the beginning

        finishedSpy.clear();

        frameChangedSpy.clear();

        loop.exec();

        QCOMPARE(finishedSpy.count(), 1);

        QCOMPARE(frameChangedSpy.count(), 11);

        for (int i = 0; i < 11; ++i) {

            QCOMPARE(frameChangedSpy.at(i).at(0).toInt(), (i+1) % 3);

        }

    }

    timeLine.setDirection(QTimeLine::Backward);

    timeLine.start();

    loop.exec();

    QCOMPARE(finishedSpy.count(), 2);

    QCOMPARE(frameChangedSpy.count(), 22);

	for (int i = 11; i < 22; ++i) {

        QCOMPARE(frameChangedSpy.at(i).at(0).toInt(), 2 - (i+2) % 3);

	}

}

void tst_QTimeLine::interpolation()

{

    QTimeLine timeLine(400);

    QCOMPARE(timeLine.curveShape(), QTimeLine::EaseInOutCurve);

    timeLine.setFrameRange(100, 200);

    timeLine.setCurveShape(QTimeLine::LinearCurve);

    QCOMPARE(timeLine.curveShape(), QTimeLine::LinearCurve);

    // smooth

    timeLine.setCurveShape(QTimeLine::EaseInOutCurve);

    timeLine.start();

    QTest::qWait(100);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    int firstValue = timeLine.currentFrame();

    QTest::qWait(200);

    int endValue = timeLine.currentFrame();

    timeLine.stop(); // ### todo reset?

    timeLine.setCurrentTime(0); // ### todo reset?

    // linear

    timeLine.setCurveShape(QTimeLine::LinearCurve);

    timeLine.start();

    QTest::qWait(100);

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    // Smooth accellerates slowly so in the beginning so it is farther behind

    QVERIFY(firstValue < timeLine.currentFrame());

    QTest::qWait(200);

    QVERIFY(endValue > timeLine.currentFrame());

    timeLine.stop();

}

void tst_QTimeLine::reverse_data()

{

    QTest::addColumn<int>("duration");

    QTest::addColumn<int>("start");

    QTest::addColumn<int>("end");

    QTest::addColumn<int>("direction");

    QTest::addColumn<int>("direction2");

    QTest::addColumn<int>("direction3");

    QTest::addColumn<int>("startTime");

    QTest::addColumn<int>("currentFrame");

    QTest::addColumn<qreal>("currentValue");

    QTest::addColumn<int>("wait");

    QTest::addColumn<int>("state");

    QTest::addColumn<int>("wait2");

    QTest::newRow("start at end") << 200 << 1000 << 2000 << (int)QTimeLine::Backward << (int)QTimeLine::Forward << (int)QTimeLine::Backward << 200 << 2000 << qreal(1.0) << 40 << (int)QTimeLine::Running << 140;

    QTest::newRow("start at half") << 200 << 1000 << 2000 << (int)QTimeLine::Backward << (int)QTimeLine::Forward << (int)QTimeLine::Backward << 100 << 1500 << qreal(0.5) << 40 << (int)QTimeLine::Running << 140;

    QTest::newRow("start at quarter") << 200 << 1000 << 2000 << (int)QTimeLine::Backward << (int)QTimeLine::Forward << (int)QTimeLine::Backward << 50 << 1250 << qreal(0.25) << 40 << (int)QTimeLine::Running << 140;

}

void tst_QTimeLine::reverse()

{

    QFETCH(int, duration);

    QFETCH(int, start);

    QFETCH(int, end);

    QFETCH(int, direction);

    QFETCH(int, direction2);

    QFETCH(int, direction3);

    QFETCH(int, startTime);

    QFETCH(int, currentFrame);

    QFETCH(qreal, currentValue);

    QFETCH(int, wait);

    QFETCH(int, state);

    QFETCH(int, wait2);

    QTimeLine timeLine(duration);

    timeLine.setCurveShape(QTimeLine::LinearCurve);

    timeLine.setFrameRange(start, end);

    timeLine.setDirection((QTimeLine::Direction)direction);

    timeLine.setDirection((QTimeLine::Direction)direction2);

    timeLine.setDirection((QTimeLine::Direction)direction3);

    QCOMPARE(timeLine.direction(), ((QTimeLine::Direction)direction));

    timeLine.setCurrentTime(startTime);

    timeLine.setDirection((QTimeLine::Direction)direction);

    timeLine.setDirection((QTimeLine::Direction)direction2);

    timeLine.setDirection((QTimeLine::Direction)direction3);

    QCOMPARE(timeLine.currentFrame(), currentFrame);

    QCOMPARE(timeLine.currentValue(), currentValue);

    timeLine.start();

    QTest::qWait(wait);

    QCOMPARE(timeLine.state(), (QTimeLine::State)state);

    int firstValue = timeLine.currentFrame();

    timeLine.setDirection((QTimeLine::Direction)direction2);

    timeLine.setDirection((QTimeLine::Direction)direction3);

    timeLine.setDirection((QTimeLine::Direction)direction2);

    timeLine.setDirection((QTimeLine::Direction)direction3);

    QTest::qWait(wait2);

    int endValue = timeLine.currentFrame();

    QVERIFY(endValue < firstValue);

}

/*

void tst_QTimeLine::toggle()

{

    QTimeLine timeLine;

    QCOMPARE(timeLine.isReverse(), false);

    timeLine.toggle();

    QCOMPARE(timeLine.isReverse(), true);

    timeLine.toggle();

    QCOMPARE(timeLine.isReverse(), false);

}

*/

/*

void tst_QTimeLine::reset()

{

    QTimeLine timeLine;

    timeLine.setFrameRange(10,100);

    timeLine.setLoopCount(-1);

    QSignalSpy spy(&timeLine, SIGNAL(frameChanged(int)));

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    timeLine.start();

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    int wait = timeLine.duration()*5/3;

    QTest::qWait(wait);

    QVERIFY(spy.count() >= 1 );

    QCOMPARE(timeLine.state(), QTimeLine::Running);

    timeLine.setDirection(QTimeLine::Backward);

    QVERIFY(timeLine.currentFrame() != 10);

    QVERIFY(timeLine.currentTime() != 0);

    QVERIFY(timeLine.state() != QTimeLine::Forward);

    QVERIFY(timeLine.loopCount() != 0);

    timeLine.reset();

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);

    QCOMPARE(timeLine.currentFrame(), timeLine.startFrame());

    QCOMPARE(timeLine.currentTime(), 0);

    timeLine.setDirection(QTimeLine::Backward);

    QCOMPARE(timeLine.loopCount(), 1);

    QCOMPARE(timeLine.startFrame(), 10);

    QCOMPARE(timeLine.endFrame(), 100);

}

*/

void tst_QTimeLine::frameChanged()

{

    QTimeLine timeLine;

    timeLine.setFrameRange(0,9);

    timeLine.setUpdateInterval(1000);

    QSignalSpy spy(&timeLine, SIGNAL(frameChanged(int)));

    timeLine.start();

    QTest::qWait(timeLine.duration()*2);

    QCOMPARE(timeLine.state(), QTimeLine::NotRunning);