/****************************************************************************

**

** Copyright (C) 2010 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 <QtTest/QtTest>

#include <QtCore/qparallelanimationgroup.h>

//TESTED_CLASS=QParallelAnimationGroup

//TESTED_FILES=

Q_DECLARE_METATYPE(QAbstractAnimation::State)

class tst_QParallelAnimationGroup : public QObject

{

  Q_OBJECT

public:

    tst_QParallelAnimationGroup();

    virtual ~tst_QParallelAnimationGroup();

public Q_SLOTS:

    void initTestCase();

private slots:

    void construction();

    void setCurrentTime();

    void stateChanged();

    void clearGroup();

    void propagateGroupUpdateToChildren();

    void updateChildrenWithRunningGroup();

    void deleteChildrenWithRunningGroup();

    void startChildrenWithStoppedGroup();

    void stopGroupWithRunningChild();

    void startGroupWithRunningChild();

    void zeroDurationAnimation();

    void stopUncontrolledAnimations();

    void loopCount_data();

    void loopCount();

    void autoAdd();

    void pauseResume();

};

tst_QParallelAnimationGroup::tst_QParallelAnimationGroup()

{

}

tst_QParallelAnimationGroup::~tst_QParallelAnimationGroup()

{

}

void tst_QParallelAnimationGroup::initTestCase()

{

    qRegisterMetaType<QAbstractAnimation::State>("QAbstractAnimation::State");

#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAC) || defined(Q_WS_WINCE)

    // give the Symbian and mac app start event queue time to clear

    QTest::qWait(1000);

#endif

}

void tst_QParallelAnimationGroup::construction()

{

    QParallelAnimationGroup animationgroup;

}

class AnimationObject : public QObject

{

    Q_OBJECT

    Q_PROPERTY(int value READ value WRITE setValue)

public:

    AnimationObject(int startValue = 0)

        : v(startValue)

    { }

    int value() const { return v; }

    void setValue(int value) { v = value; }

    int v;

};

class TestAnimation : public QVariantAnimation

{

    Q_OBJECT

public:

    virtual void updateCurrentValue(const QVariant &value) { Q_UNUSED(value)};

    virtual void updateState(QAbstractAnimation::State newState,

                             QAbstractAnimation::State oldState)

    {

        Q_UNUSED(oldState)

        Q_UNUSED(newState)

    };

};

class TestAnimation2 : public QVariantAnimation

{

    Q_OBJECT

public:

    TestAnimation2(QAbstractAnimation *animation) : QVariantAnimation(animation) {}

    TestAnimation2(int duration, QAbstractAnimation *animation) : QVariantAnimation(animation), m_duration(duration) {}

    virtual void updateCurrentValue(const QVariant &value) { Q_UNUSED(value)};

    virtual void updateState(QAbstractAnimation::State newState,

                             QAbstractAnimation::State oldState)

    {

        Q_UNUSED(oldState)

        Q_UNUSED(newState)

    };

    virtual int duration() const {

        return m_duration;

    }

private:

    int m_duration;

};

class UncontrolledAnimation : public QPropertyAnimation

{

    Q_OBJECT

public:

    UncontrolledAnimation(QObject *target, const QByteArray &propertyName, QObject *parent = 0)

        : QPropertyAnimation(target, propertyName, parent), id(0)

    {

        setDuration(250);

        setEndValue(0);

    }

    int duration() const { return -1; /* not time driven */ }

protected:

    void timerEvent(QTimerEvent *event)

    {

        if (event->timerId() == id)

            stop();

    }

    void updateRunning(bool running)

    {

        if (running) {

            id = startTimer(500);

        } else {

            killTimer(id);

            id = 0;

        }

    }

private:

    int id;

};

void tst_QParallelAnimationGroup::setCurrentTime()

{

    AnimationObject p_o1;

    AnimationObject p_o2;

    AnimationObject p_o3;

    AnimationObject t_o1;

    AnimationObject t_o2;

    // parallel operating on different object/properties

    QAnimationGroup *parallel = new QParallelAnimationGroup();

    QVariantAnimation *a1_p_o1 = new QPropertyAnimation(&p_o1, "value");

    QVariantAnimation *a1_p_o2 = new QPropertyAnimation(&p_o2, "value");

    QVariantAnimation *a1_p_o3 = new QPropertyAnimation(&p_o3, "value");

    a1_p_o2->setLoopCount(3);

    parallel->addAnimation(a1_p_o1);

    parallel->addAnimation(a1_p_o2);

    parallel->addAnimation(a1_p_o3);

    UncontrolledAnimation *notTimeDriven = new UncontrolledAnimation(&t_o1, "value");

    QCOMPARE(notTimeDriven->totalDuration(), -1);

    QVariantAnimation *loopsForever = new QPropertyAnimation(&t_o2, "value");

    loopsForever->setLoopCount(-1);

    QCOMPARE(loopsForever->totalDuration(), -1);

    QParallelAnimationGroup group;

    group.addAnimation(parallel);

    group.addAnimation(notTimeDriven);

    group.addAnimation(loopsForever);

    // Current time = 1

    group.setCurrentTime(1);

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(parallel->state(), QAnimationGroup::Stopped);

    QCOMPARE(a1_p_o1->state(), QAnimationGroup::Stopped);

    QCOMPARE(a1_p_o2->state(), QAnimationGroup::Stopped);

    QCOMPARE(a1_p_o3->state(), QAnimationGroup::Stopped);

    QCOMPARE(notTimeDriven->state(), QAnimationGroup::Stopped);

    QCOMPARE(loopsForever->state(), QAnimationGroup::Stopped);

    QCOMPARE(group.currentLoopTime(), 1);

    QCOMPARE(a1_p_o1->currentLoopTime(), 1);

    QCOMPARE(a1_p_o2->currentLoopTime(), 1);

    QCOMPARE(a1_p_o3->currentLoopTime(), 1);

    QCOMPARE(notTimeDriven->currentLoopTime(), 1);

    QCOMPARE(loopsForever->currentLoopTime(), 1);

    // Current time = 250

    group.setCurrentTime(250);

    QCOMPARE(group.currentLoopTime(), 250);

    QCOMPARE(a1_p_o1->currentLoopTime(), 250);

    QCOMPARE(a1_p_o2->currentLoopTime(), 0);

    QCOMPARE(a1_p_o2->currentLoop(), 1);

    QCOMPARE(a1_p_o3->currentLoopTime(), 250);

    QCOMPARE(notTimeDriven->currentLoopTime(), 250);

    QCOMPARE(loopsForever->currentLoopTime(), 0);

    QCOMPARE(loopsForever->currentLoop(), 1);

    // Current time = 251

    group.setCurrentTime(251);

    QCOMPARE(group.currentLoopTime(), 251);

    QCOMPARE(a1_p_o1->currentLoopTime(), 250);

    QCOMPARE(a1_p_o2->currentLoopTime(), 1);

    QCOMPARE(a1_p_o2->currentLoop(), 1);

    QCOMPARE(a1_p_o3->currentLoopTime(), 250);

    QCOMPARE(notTimeDriven->currentLoopTime(), 251);

    QCOMPARE(loopsForever->currentLoopTime(), 1);

}

void tst_QParallelAnimationGroup::stateChanged()

{

    //this ensures that the correct animations are started when starting the group

    TestAnimation *anim1 = new TestAnimation;

    TestAnimation *anim2 = new TestAnimation;

    TestAnimation *anim3 = new TestAnimation;

    TestAnimation *anim4 = new TestAnimation;

    anim1->setDuration(1000);

    anim2->setDuration(2000);

    anim3->setDuration(3000);

    anim4->setDuration(3000);

    QParallelAnimationGroup group;

    group.addAnimation(anim1);

    group.addAnimation(anim2);

    group.addAnimation(anim3);

    group.addAnimation(anim4);

    QSignalSpy spy1(anim1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));

    QSignalSpy spy2(anim2, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));

    QSignalSpy spy3(anim3, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));

    QSignalSpy spy4(anim4, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));

    //first; let's start forward

    group.start();

    //all the animations should be started

    QCOMPARE(spy1.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy1.last().first()), TestAnimation::Running);

    QCOMPARE(spy2.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy2.last().first()), TestAnimation::Running);

    QCOMPARE(spy3.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy3.last().first()), TestAnimation::Running);

    QCOMPARE(spy4.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy4.last().first()), TestAnimation::Running);

    group.setCurrentTime(1500); //anim1 should be finished

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(spy1.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy1.last().first()), TestAnimation::Stopped);

    QCOMPARE(spy2.count(), 1); //no change

    QCOMPARE(spy3.count(), 1); //no change

    QCOMPARE(spy4.count(), 1); //no change

    group.setCurrentTime(2500); //anim2 should be finished

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(spy1.count(), 2); //no change

    QCOMPARE(spy2.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy2.last().first()), TestAnimation::Stopped);

    QCOMPARE(spy3.count(), 1); //no change

    QCOMPARE(spy4.count(), 1); //no change

    group.setCurrentTime(3500); //everything should be finished

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(spy1.count(), 2); //no change

    QCOMPARE(spy2.count(), 2); //no change

    QCOMPARE(spy3.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy3.last().first()), TestAnimation::Stopped);

    QCOMPARE(spy4.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy4.last().first()), TestAnimation::Stopped);

    //cleanup

    spy1.clear();

    spy2.clear();

    spy3.clear();

    spy4.clear();

    //now let's try to reverse that

    group.setDirection(QAbstractAnimation::Backward);

    group.start();

    //only anim3 and anim4 should be started

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(spy1.count(), 0);

    QCOMPARE(spy2.count(), 0);

    QCOMPARE(spy3.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy3.last().first()), TestAnimation::Running);

    QCOMPARE(spy4.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy4.last().first()), TestAnimation::Running);

    group.setCurrentTime(1500); //anim2 should be started

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(spy1.count(), 0); //no change

    QCOMPARE(spy2.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy2.last().first()), TestAnimation::Running);

    QCOMPARE(spy3.count(), 1); //no change

    QCOMPARE(spy4.count(), 1); //no change

    group.setCurrentTime(500); //anim1 is finally also started

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(spy1.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy1.last().first()), TestAnimation::Running);

    QCOMPARE(spy2.count(), 1); //no change

    QCOMPARE(spy3.count(), 1); //no change

    QCOMPARE(spy4.count(), 1); //no change

    group.setCurrentTime(0); //everything should be stopped

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(spy1.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy1.last().first()), TestAnimation::Stopped);

    QCOMPARE(spy2.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy2.last().first()), TestAnimation::Stopped);

    QCOMPARE(spy3.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy3.last().first()), TestAnimation::Stopped);

    QCOMPARE(spy4.count(), 2);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(spy4.last().first()), TestAnimation::Stopped);

}

void tst_QParallelAnimationGroup::clearGroup()

{

    QParallelAnimationGroup group;

	static const int animationCount = 10;

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

        new QParallelAnimationGroup(&group);

    }

    QCOMPARE(group.animationCount(), animationCount);

    QPointer<QAbstractAnimation> children[animationCount];

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

        QVERIFY(group.animationAt(i) != 0);

        children[i] = group.animationAt(i);

    }

    group.clear();

    QCOMPARE(group.animationCount(), 0);

    QCOMPARE(group.currentLoopTime(), 0);

    for (int i = 0; i < animationCount; ++i)

        QVERIFY(children[i].isNull());

}

void tst_QParallelAnimationGroup::propagateGroupUpdateToChildren()

{

    // this test verifies if group state changes are updating its children correctly

    QParallelAnimationGroup group;

    QObject o;

    o.setProperty("ole", 42);

    QCOMPARE(o.property("ole").toInt(), 42);

    QPropertyAnimation anim1(&o, "ole");

    anim1.setEndValue(43);

    anim1.setDuration(100);

    QVERIFY(!anim1.currentValue().isValid());

    QCOMPARE(anim1.currentValue().toInt(), 0);

    QCOMPARE(o.property("ole").toInt(), 42);

    TestAnimation anim2;

    anim2.setStartValue(0);

    anim2.setEndValue(100);

    anim2.setDuration(200);

    QVERIFY(anim2.currentValue().isValid());

    QCOMPARE(anim2.currentValue().toInt(), 0);

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);

    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);

    group.addAnimation(&anim1);

    group.addAnimation(&anim2);

    group.start();

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(anim1.state(), QAnimationGroup::Running);

    QCOMPARE(anim2.state(), QAnimationGroup::Running);

    group.pause();

    QCOMPARE(group.state(), QAnimationGroup::Paused);

    QCOMPARE(anim1.state(), QAnimationGroup::Paused);

    QCOMPARE(anim2.state(), QAnimationGroup::Paused);

    group.stop();

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);

    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);

}

void tst_QParallelAnimationGroup::updateChildrenWithRunningGroup()

{

    // assert that its possible to modify a child's state directly while their group is running

    QParallelAnimationGroup group;

    TestAnimation anim;

    anim.setStartValue(0);

    anim.setEndValue(100);

    anim.setDuration(200);

    QSignalSpy groupStateChangedSpy(&group, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));

    QSignalSpy childStateChangedSpy(&anim, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));

    QCOMPARE(groupStateChangedSpy.count(), 0);

    QCOMPARE(childStateChangedSpy.count(), 0);

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(anim.state(), QAnimationGroup::Stopped);

    group.addAnimation(&anim);

    group.start();

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(anim.state(), QAnimationGroup::Running);

    QCOMPARE(groupStateChangedSpy.count(), 1);

    QCOMPARE(childStateChangedSpy.count(), 1);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(groupStateChangedSpy.at(0).first()),

             QAnimationGroup::Running);

    QCOMPARE(qVariantValue<QAbstractAnimation::State>(childStateChangedSpy.at(0).first()),

             QAnimationGroup::Running);

    // starting directly a running child will not have any effect

    anim.start();

    QCOMPARE(groupStateChangedSpy.count(), 1);

    QCOMPARE(childStateChangedSpy.count(), 1);

    anim.pause();

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(anim.state(), QAnimationGroup::Paused);

    // in the animation stops directly, the group will still be running

    anim.stop();

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(anim.state(), QAnimationGroup::Stopped);

}

void tst_QParallelAnimationGroup::deleteChildrenWithRunningGroup()

{

    // test if children can be activated when their group is stopped

    QParallelAnimationGroup group;

    QVariantAnimation *anim1 = new TestAnimation;

    anim1->setStartValue(0);

    anim1->setEndValue(100);

    anim1->setDuration(200);

    group.addAnimation(anim1);

    QCOMPARE(group.duration(), anim1->duration());

    group.start();

    QCOMPARE(group.state(), QAnimationGroup::Running);

    QCOMPARE(anim1->state(), QAnimationGroup::Running);

    QTest::qWait(80);

    QVERIFY(group.currentLoopTime() > 0);

    delete anim1;

    QVERIFY(group.animationCount() == 0);

    QCOMPARE(group.duration(), 0);

    QCOMPARE(group.state(), QAnimationGroup::Stopped);

    QCOMPARE(group.currentLoopTime(), 0); //that's the invariant

}

void tst_QParallelAnimationGroup::startChildrenWithStoppedGroup()

{

    // test if children can be activated when their group is stopped

    QParallelAnimationGroup group;

    TestAnimation anim1;