Initial import of statemachine branch from the old kinetic repository

2 files changed, 1654 insertions, 0 deletions

diff --git a/tests/auto/qsequentialanimationgroup/qsequentialanimationgroup.pro b/tests/auto/qsequentialanimationgroup/qsequentialanimationgroup.pro
new file mode 100644
index 0000000000..ad861c3d94
--- /dev/null
+++ b/tests/auto/qsequentialanimationgroup/qsequentialanimationgroup.pro
@@ -0,0 +1,5 @@
+load(qttest_p4)
+QT = core gui
+SOURCES  += tst_qsequentialanimationgroup.cpp
+
+
diff --git a/tests/auto/qsequentialanimationgroup/tst_qsequentialanimationgroup.cpp b/tests/auto/qsequentialanimationgroup/tst_qsequentialanimationgroup.cpp
new file mode 100644
index 0000000000..18b57b2524
--- /dev/null
+++ b/tests/auto/qsequentialanimationgroup/tst_qsequentialanimationgroup.cpp
@@ -0,0 +1,1649 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include "../../shared/util.h"
+
+#include <QtCore/qanimationgroup.h>
+#include <QtCore/qsequentialanimationgroup.h>
+
+//TESTED_CLASS=QSequentialAnimationGroup
+//TESTED_FILES=
+
+Q_DECLARE_METATYPE(QAbstractAnimation::State)
+Q_DECLARE_METATYPE(QAbstractAnimation*)
+
+class tst_QSequentialAnimationGroup : public QObject
+{
+  Q_OBJECT
+public:
+    tst_QSequentialAnimationGroup();
+    virtual ~tst_QSequentialAnimationGroup();
+
+public Q_SLOTS:
+    void init();
+    void cleanup();
+
+private slots:
+    void construction();
+    void setCurrentTime();
+    void setCurrentTimeWithUncontrolledAnimation();
+    void seekingForwards();
+    void seekingBackwards();
+    void pauseAndResume();
+    void restart();
+    void looping();
+    void startDelay();
+    void clearGroup();
+    void groupWithZeroDurationAnimations();
+    void propagateGroupUpdateToChildren();
+    void updateChildrenWithRunningGroup();
+    void deleteChildrenWithRunningGroup();
+    void startChildrenWithStoppedGroup();
+    void stopGroupWithRunningChild();
+    void startGroupWithRunningChild();
+    void zeroDurationAnimation();
+    void stopUncontrolledAnimations();
+    void finishWithUncontrolledAnimation();
+    void addRemoveAnimation();
+    void currentAnimation();
+    void currentAnimationWithZeroDuration();
+    void insertAnimation();
+    void clearAnimations();
+};
+
+tst_QSequentialAnimationGroup::tst_QSequentialAnimationGroup()
+{
+}
+
+tst_QSequentialAnimationGroup::~tst_QSequentialAnimationGroup()
+{
+}
+
+void tst_QSequentialAnimationGroup::init()
+{
+    qRegisterMetaType<QAbstractAnimation::State>("QAbstractAnimation::State");
+    qRegisterMetaType<QAbstractAnimation*>("QAbstractAnimation*");
+}
+
+void tst_QSequentialAnimationGroup::cleanup()
+{
+}
+
+void tst_QSequentialAnimationGroup::construction()
+{
+    QSequentialAnimationGroup 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 oldState,
+                             QAbstractAnimation::State newState)
+    {
+        Q_UNUSED(oldState)
+        Q_UNUSED(newState)
+    };
+};
+
+class UncontrolledAnimation : public QPropertyAnimation
+{
+    Q_OBJECT
+public:
+    UncontrolledAnimation(QObject *target, const QByteArray &propertyName, QObject *parent = 0)
+        : QPropertyAnimation(target, propertyName, parent)
+    {
+        setDuration(250);
+    }
+
+    int duration() const { return -1; /* not time driven */ }
+
+protected:
+    void updateCurrentTime(int msecs)
+    {
+        QPropertyAnimation::updateCurrentTime(msecs);
+        if (msecs >= QPropertyAnimation::duration())
+            stop();
+    }
+};
+
+void tst_QSequentialAnimationGroup::setCurrentTime()
+{
+    AnimationObject s_o1;
+    AnimationObject s_o2;
+    AnimationObject s_o3;
+
+    // sequence operating on same object/property
+    QAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a2_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a3_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    a2_s_o1->setIterationCount(3);
+    sequence->addAnimation(a1_s_o1);
+    sequence->addAnimation(a2_s_o1);
+    sequence->addAnimation(a3_s_o1);
+
+    // sequence operating on different object/properties
+    QAnimationGroup *sequence2 = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o2 = new QPropertyAnimation(&s_o2, "value");
+    QVariantAnimation *a1_s_o3 = new QPropertyAnimation(&s_o3, "value");
+    sequence2->addAnimation(a1_s_o2);
+    sequence2->addAnimation(a1_s_o3);
+
+    QSequentialAnimationGroup group;
+    group.addAnimation(sequence);
+    group.addAnimation(sequence2);
+
+    // Current time = 1
+    group.setCurrentTime(1);
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+
+    QCOMPARE(group.currentTime(), 1);
+    QCOMPARE(sequence->currentTime(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 1);
+    QCOMPARE(a2_s_o1->currentTime(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 250
+    group.setCurrentTime(250);
+    QCOMPARE(group.currentTime(), 250);
+    QCOMPARE(sequence->currentTime(), 250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 251
+    group.setCurrentTime(251);
+    QCOMPARE(group.currentTime(), 251);
+    QCOMPARE(sequence->currentTime(), 251);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 1);
+    QCOMPARE(a2_s_o1->currentIteration(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 750
+    group.setCurrentTime(750);
+    QCOMPARE(group.currentTime(), 750);
+    QCOMPARE(sequence->currentTime(), 750);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 0);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 1000
+    group.setCurrentTime(1000);
+    QCOMPARE(group.currentTime(), 1000);
+    QCOMPARE(sequence->currentTime(), 1000);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 1010
+    group.setCurrentTime(1010);
+    QCOMPARE(group.currentTime(), 1010);
+    QCOMPARE(sequence->currentTime(), 1010);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 10);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 1250
+    group.setCurrentTime(1250);
+    QCOMPARE(group.currentTime(), 1250);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 1500
+    group.setCurrentTime(1500);
+    QCOMPARE(group.currentTime(), 1500);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 1750
+    group.setCurrentTime(1750);
+    QCOMPARE(group.currentTime(), 1750);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 500);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 250);
+
+    // Current time = 2000
+    group.setCurrentTime(2000);
+    QCOMPARE(group.currentTime(), 1750);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 500);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 250);
+}
+
+void tst_QSequentialAnimationGroup::setCurrentTimeWithUncontrolledAnimation()
+{
+    AnimationObject s_o1;
+    AnimationObject s_o2;
+    AnimationObject t_o1;
+    AnimationObject t_o2;
+
+    // sequence operating on different object/properties
+    QAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a1_s_o2 = new QPropertyAnimation(&s_o2, "value");
+    sequence->addAnimation(a1_s_o1);
+    sequence->addAnimation(a1_s_o2);
+
+    UncontrolledAnimation *notTimeDriven = new UncontrolledAnimation(&t_o1, "value");
+    QCOMPARE(notTimeDriven->totalDuration(), -1);
+
+    QVariantAnimation *loopsForever = new QPropertyAnimation(&t_o2, "value");
+    loopsForever->setIterationCount(-1);
+    QCOMPARE(loopsForever->totalDuration(), -1);
+
+    QSequentialAnimationGroup group;
+    group.addAnimation(sequence);
+    group.addAnimation(notTimeDriven);
+    group.addAnimation(loopsForever);
+    group.start();
+    group.pause(); // this allows the group to listen for the finish signal of its children
+
+    // Current time = 1
+    group.setCurrentTime(1);
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(notTimeDriven->state(), QAnimationGroup::Stopped);
+    QCOMPARE(loopsForever->state(), QAnimationGroup::Stopped);
+
+    QCOMPARE(group.currentTime(), 1);
+    QCOMPARE(sequence->currentTime(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 1);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(notTimeDriven->currentTime(), 0);
+    QCOMPARE(loopsForever->currentTime(), 0);
+
+    // Current time = 250
+    group.setCurrentTime(250);
+    QCOMPARE(group.currentTime(), 250);
+    QCOMPARE(sequence->currentTime(), 250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(notTimeDriven->currentTime(), 0);
+    QCOMPARE(loopsForever->currentTime(), 0);
+
+    // Current time = 500
+    group.setCurrentTime(500);
+    QCOMPARE(group.currentTime(), 500);
+    QCOMPARE(sequence->currentTime(), 500);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(notTimeDriven->currentTime(), 0);
+    QCOMPARE(loopsForever->currentTime(), 0);
+    QCOMPARE(group.currentAnimation(), notTimeDriven);
+
+    // Current time = 505
+    group.setCurrentTime(505);
+    QCOMPARE(group.currentTime(), 505);
+    QCOMPARE(sequence->currentTime(), 500);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(notTimeDriven->currentTime(), 5);
+    QCOMPARE(loopsForever->currentTime(), 0);
+    QCOMPARE(group.currentAnimation(), notTimeDriven);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(notTimeDriven->state(), QAnimationGroup::Paused);
+    QCOMPARE(loopsForever->state(), QAnimationGroup::Stopped);
+
+    // Current time = 750 (end of notTimeDriven animation)
+    group.setCurrentTime(750);
+    QCOMPARE(group.currentTime(), 750);
+    QCOMPARE(sequence->currentTime(), 500);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(notTimeDriven->currentTime(), 250);
+    QCOMPARE(loopsForever->currentTime(), 0);
+    QCOMPARE(group.currentAnimation(), loopsForever);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(notTimeDriven->state(), QAnimationGroup::Stopped);
+    QCOMPARE(loopsForever->state(), QAnimationGroup::Paused);
+
+    // Current time = 800 (as notTimeDriven was finished at 750, loopsforever should still run)
+    group.setCurrentTime(800);
+    QCOMPARE(group.currentTime(), 800);
+    QCOMPARE(group.currentAnimation(), loopsForever);
+    QCOMPARE(sequence->currentTime(), 500);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(notTimeDriven->currentTime(), 250);
+    QCOMPARE(loopsForever->currentTime(), 50);
+
+    loopsForever->stop(); // this should stop the group
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(notTimeDriven->state(), QAnimationGroup::Stopped);
+    QCOMPARE(loopsForever->state(), QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::seekingForwards()
+{
+    AnimationObject s_o1;
+    AnimationObject s_o2;
+    AnimationObject s_o3;
+
+    // sequence operating on same object/property
+    QAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a2_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a3_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    a2_s_o1->setIterationCount(3);
+    sequence->addAnimation(a1_s_o1);
+    sequence->addAnimation(a2_s_o1);
+    sequence->addAnimation(a3_s_o1);
+
+    // sequence operating on different object/properties
+    QAnimationGroup *sequence2 = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o2 = new QPropertyAnimation(&s_o2, "value");
+    QVariantAnimation *a1_s_o3 = new QPropertyAnimation(&s_o3, "value");
+    sequence2->addAnimation(a1_s_o2);
+    sequence2->addAnimation(a1_s_o3);
+
+    QSequentialAnimationGroup group;
+    group.addAnimation(sequence);
+    group.addAnimation(sequence2);
+
+    // Current time = 1
+    group.setCurrentTime(1);
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o3->state(), QAnimationGroup::Stopped);
+
+    QCOMPARE(group.currentTime(), 1);
+    QCOMPARE(sequence->currentTime(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 1);
+    QCOMPARE(a2_s_o1->currentTime(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // Current time = 1500
+    group.setCurrentTime(1500);
+    QCOMPARE(group.currentTime(), 1500);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 250);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    // this will restart the group
+    group.start();
+    group.pause();
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o3->state(), QAnimationGroup::Stopped);
+
+    // Current time = 1750
+    group.setCurrentTime(1750);
+    QCOMPARE(group.currentTime(), 1750);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 500);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 250);
+}
+
+void tst_QSequentialAnimationGroup::seekingBackwards()
+{
+    AnimationObject s_o1;
+    AnimationObject s_o2;
+    AnimationObject s_o3;
+
+    // sequence operating on same object/property
+    QAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a2_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a3_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    a2_s_o1->setIterationCount(3);
+    sequence->addAnimation(a1_s_o1);
+    sequence->addAnimation(a2_s_o1);
+    sequence->addAnimation(a3_s_o1);
+
+    // sequence operating on different object/properties
+    QAnimationGroup *sequence2 = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o2 = new QPropertyAnimation(&s_o2, "value");
+    QVariantAnimation *a1_s_o3 = new QPropertyAnimation(&s_o3, "value");
+    sequence2->addAnimation(a1_s_o2);
+    sequence2->addAnimation(a1_s_o3);
+
+    QSequentialAnimationGroup group;
+    group.addAnimation(sequence);
+    group.addAnimation(sequence2);
+
+    group.start();
+
+    // Current time = 1600
+    group.setCurrentTime(1600);
+    QCOMPARE(group.currentTime(), 1600);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 350);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 100);
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence2->state(), QAnimationGroup::Running);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o3->state(), QAnimationGroup::Running);
+
+    // Seeking backwards, current time = 1
+    group.setCurrentTime(1);
+    QCOMPARE(group.currentTime(), 1);
+    QCOMPARE(sequence->currentTime(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 1);
+
+    QEXPECT_FAIL("", "rewinding in nested groups is considered as a restart from the children,"
+        "hence they don't reset from their current animation", Continue);
+    QCOMPARE(a2_s_o1->currentTime(), 0);
+    QEXPECT_FAIL("", "rewinding in nested groups is considered as a restart from the children,"
+        "hence they don't reset from their current animation", Continue);
+    QCOMPARE(a2_s_o1->currentIteration(), 0);
+    QEXPECT_FAIL("", "rewinding in nested groups is considered as a restart from the children,"
+        "hence they don't reset from their current animation", Continue);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(sequence2->currentTime(), 0);
+    QCOMPARE(a1_s_o2->currentTime(), 0);
+    QCOMPARE(a1_s_o3->currentTime(), 0);
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(sequence->state(), QAnimationGroup::Running);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Running);
+    QCOMPARE(sequence2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o3->state(), QAnimationGroup::Stopped);
+
+    // Current time = 2000
+    group.setCurrentTime(2000);
+    QCOMPARE(group.currentTime(), 1750);
+    QCOMPARE(sequence->currentTime(), 1250);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 2);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+    QCOMPARE(sequence2->currentTime(), 500);
+    QCOMPARE(a1_s_o2->currentTime(), 250);
+    QCOMPARE(a1_s_o3->currentTime(), 250);
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(sequence2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a1_s_o3->state(), QAnimationGroup::Stopped);
+}
+
+typedef QList<QAbstractAnimation::State> StateList;
+
+static bool compareStates(const QSignalSpy& spy, const StateList &expectedStates)
+{
+    bool equals = true;
+    for (int i = 0; i < qMax(expectedStates.count(), spy.count()); ++i) {
+        if (i >= spy.count() || i >= expectedStates.count()) {
+            equals = false;
+            break;
+        }
+        QList<QVariant> args = spy.at(i);
+        QAbstractAnimation::State st = expectedStates.at(i);
+        QAbstractAnimation::State actual = qVariantValue<QAbstractAnimation::State>(args.value(1));
+        if (equals && actual != st) {
+            equals = false;
+            break;
+        }
+    }
+    if (!equals) {
+        const char *stateStrings[] = {"Stopped", "Paused", "Running"};
+        QString e,a;
+        for (int i = 0; i < qMax(expectedStates.count(), spy.count()); ++i) {
+            if (i < expectedStates.count()) {
+                int exp = int(expectedStates.at(i));
+                    if (!e.isEmpty())
+                        e += QLatin1String(", ");
+                e += QLatin1String(stateStrings[exp]);
+            }
+            if (i < spy.count()) {
+                QList<QVariant> args = spy.at(i);
+                QAbstractAnimation::State actual = qVariantValue<QAbstractAnimation::State>(args.value(1));
+                if (!a.isEmpty())
+                    a += QLatin1String(", ");
+                if (int(actual) >= 0 && int(actual) <= 2) {
+                    a += QLatin1String(stateStrings[int(actual)]);
+                } else {
+                    a += QLatin1String("NaN");
+                }
+            }
+
+        }
+        qDebug("\n"
+               "expected (count == %d): %s\n"
+               "actual   (count == %d): %s\n", expectedStates.count(), qPrintable(e), spy.count(), qPrintable(a));
+    }
+    return equals;
+}
+
+void tst_QSequentialAnimationGroup::pauseAndResume()
+{
+    AnimationObject s_o1;
+
+    // sequence operating on same object/property
+    QAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a2_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a3_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    a2_s_o1->setIterationCount(2);
+    sequence->addAnimation(a1_s_o1);
+    sequence->addAnimation(a2_s_o1);
+    sequence->addAnimation(a3_s_o1);
+    sequence->setIterationCount(2);
+
+    QSignalSpy a1StateChangedSpy(a1_s_o1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+    QSignalSpy seqStateChangedSpy(sequence, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    QSequentialAnimationGroup group;
+    group.addAnimation(sequence);
+
+    group.start();
+    group.pause();
+
+    // Current time = 1751
+    group.setCurrentTime(1751);
+    QCOMPARE(group.currentTime(), 1751);
+    QCOMPARE(sequence->currentTime(), 751);
+    QCOMPARE(sequence->currentIteration(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 1);
+    QCOMPARE(a3_s_o1->currentIteration(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 1);
+
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a2_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3_s_o1->state(), QAnimationGroup::Paused);
+
+    QCOMPARE(a1StateChangedSpy.count(), 5);     // Running,Paused,Stopped,Running,Stopped
+    QCOMPARE(seqStateChangedSpy.count(), 2);    // Running,Paused
+
+    QVERIFY(compareStates(a1StateChangedSpy, (StateList() << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Paused
+                                              << QAbstractAnimation::Stopped
+                                              << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Stopped)));
+
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(a1StateChangedSpy.at(0).at(1)),
+             QAnimationGroup::Running);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(a1StateChangedSpy.at(1).at(1)),
+             QAnimationGroup::Paused);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(a1StateChangedSpy.at(2).at(1)),
+             QAnimationGroup::Stopped);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(a1StateChangedSpy.at(3).at(1)),
+             QAnimationGroup::Running);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(a1StateChangedSpy.at(4).at(1)),
+             QAnimationGroup::Stopped);
+
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(0).at(1)),
+             QAnimationGroup::Running);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(1).at(1)),
+             QAnimationGroup::Paused);
+
+    group.resume();
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(sequence->state(), QAnimationGroup::Running);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a2_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3_s_o1->state(), QAnimationGroup::Running);
+
+    QVERIFY(group.currentTime() >= 1751);
+    QVERIFY(sequence->currentTime() >= 751);
+    QCOMPARE(sequence->currentIteration(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 1);
+    QCOMPARE(a3_s_o1->currentIteration(), 0);
+    QVERIFY(a3_s_o1->currentTime() >= 1);
+
+    QCOMPARE(seqStateChangedSpy.count(), 3);    // Running,Paused,Running
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(2).at(1)),
+             QAnimationGroup::Running);
+
+    group.pause();
+
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a2_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3_s_o1->state(), QAnimationGroup::Paused);
+
+    QVERIFY(group.currentTime() >= 1751);
+    QVERIFY(sequence->currentTime() >= 751);
+    QCOMPARE(sequence->currentIteration(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 1);
+    QCOMPARE(a3_s_o1->currentIteration(), 0);
+    QVERIFY(a3_s_o1->currentTime() >= 1);
+
+    QCOMPARE(seqStateChangedSpy.count(), 4);    // Running,Paused,Running,Paused
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(3).at(1)),
+             QAnimationGroup::Paused);
+
+    group.stop();
+
+    QCOMPARE(seqStateChangedSpy.count(), 5);    // Running,Paused,Running,Paused,Stopped
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(4).at(1)),
+             QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::restart()
+{
+    AnimationObject s_o1;
+
+    // sequence operating on same object/property
+    QAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QSignalSpy seqCurrentAnimChangedSpy(sequence, SIGNAL(currentAnimationChanged(QAbstractAnimation*)));
+    QSignalSpy seqStateChangedSpy(sequence, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    QVariantAnimation *anims[3];
+    QSignalSpy *animsStateChanged[3];
+
+    for (int i = 0; i < 3; i++) {
+        anims[i] = new QPropertyAnimation(&s_o1, "value");
+        anims[i]->setDuration(100);
+        animsStateChanged[i] = new QSignalSpy(anims[i], SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+    }
+
+    anims[1]->setIterationCount(2);
+    sequence->addAnimation(anims[0]);
+    sequence->addAnimation(anims[1]);
+    sequence->addAnimation(anims[2]);
+    sequence->setIterationCount(2);
+
+    QSequentialAnimationGroup group;
+    group.addAnimation(sequence);
+
+    group.start();
+
+    QTest::qWait(500);
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+
+    QTest::qWait(300);
+    QTRY_COMPARE(group.state(), QAnimationGroup::Stopped);
+
+    for (int i = 0; i < 3; i++) {
+        QCOMPARE(animsStateChanged[i]->count(), 4);
+        QCOMPARE(qVariantValue<QAbstractAnimation::State>(animsStateChanged[i]->at(0).at(1)),
+                 QAnimationGroup::Running);
+        QCOMPARE(qVariantValue<QAbstractAnimation::State>(animsStateChanged[i]->at(1).at(1)),
+                 QAnimationGroup::Stopped);
+        QCOMPARE(qVariantValue<QAbstractAnimation::State>(animsStateChanged[i]->at(2).at(1)),
+                 QAnimationGroup::Running);
+        QCOMPARE(qVariantValue<QAbstractAnimation::State>(animsStateChanged[i]->at(3).at(1)),
+                 QAnimationGroup::Stopped);
+    }
+
+    QCOMPARE(seqStateChangedSpy.count(), 2);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(0).at(1)),
+             QAnimationGroup::Running);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(seqStateChangedSpy.at(1).at(1)),
+             QAnimationGroup::Stopped);
+
+    QCOMPARE(seqCurrentAnimChangedSpy.count(), 6);
+    for(int i=0; i<seqCurrentAnimChangedSpy.count(); i++)
+            QCOMPARE(anims[i%3], qVariantValue<QAbstractAnimation*>(seqCurrentAnimChangedSpy.at(i).at(0)));
+
+    group.start();
+
+    QCOMPARE(animsStateChanged[0]->count(), 5);
+    QCOMPARE(animsStateChanged[1]->count(), 4);
+    QCOMPARE(animsStateChanged[2]->count(), 4);
+    QCOMPARE(seqStateChangedSpy.count(), 3);
+}
+
+void tst_QSequentialAnimationGroup::looping()
+{
+    AnimationObject s_o1;
+    AnimationObject s_o2;
+    AnimationObject s_o3;
+
+    // sequence operating on same object/property
+    QSequentialAnimationGroup *sequence = new QSequentialAnimationGroup();
+    QVariantAnimation *a1_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a2_s_o1 = new QPropertyAnimation(&s_o1, "value");
+    QVariantAnimation *a3_s_o1 = new QPropertyAnimation(&s_o1, "value");
+
+    QSignalSpy a1Spy(a1_s_o1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+    QSignalSpy a2Spy(a2_s_o1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+    QSignalSpy a3Spy(a3_s_o1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+    QSignalSpy seqSpy(sequence, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    a2_s_o1->setIterationCount(2);
+    sequence->addAnimation(a1_s_o1);
+    sequence->addAnimation(a2_s_o1);
+    sequence->addAnimation(a3_s_o1);
+    sequence->setIterationCount(2);
+
+    QSequentialAnimationGroup group;
+    QSignalSpy groupSpy(&group, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    group.addAnimation(sequence);
+    group.setIterationCount(2);
+
+    group.start();
+    group.pause();
+
+    // Current time = 1750
+    group.setCurrentTime(1750);
+    QCOMPARE(group.currentTime(), 1750);
+    QCOMPARE(sequence->currentTime(), 750);
+    QCOMPARE(sequence->currentIteration(), 1);
+    QCOMPARE(a1_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 1);
+    // this animation is at the beginning because it is the current one inside sequence
+    QCOMPARE(a3_s_o1->currentIteration(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 0);
+    QCOMPARE(sequence->currentAnimation(), a3_s_o1);
+
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a2_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3_s_o1->state(), QAnimationGroup::Paused);
+
+    QCOMPARE(a1Spy.count(), 5);     // Running,Paused,Stopped,Running,Stopped
+    QVERIFY(compareStates(a1Spy, (StateList() << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Paused
+                                              << QAbstractAnimation::Stopped
+                                              << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Stopped)));
+
+    QCOMPARE(a2Spy.count(), 4);     // Running,Stopped,Running,Stopped
+    QVERIFY(compareStates(a3Spy, (StateList() << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Stopped
+                                              << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Paused)));
+
+    QCOMPARE(seqSpy.count(), 2);    // Running,Paused
+    QCOMPARE(groupSpy.count(), 2);  // Running,Paused
+
+    // Looping, current time = duration + 1
+    group.setCurrentTime(group.duration() + 1);
+    QCOMPARE(group.currentTime(), 1);
+    QCOMPARE(group.currentIteration(), 1);
+    QCOMPARE(sequence->currentTime(), 1);
+    QCOMPARE(sequence->currentIteration(), 0);
+    QCOMPARE(a1_s_o1->currentTime(), 1);
+    QCOMPARE(a2_s_o1->currentTime(), 250);
+    QCOMPARE(a2_s_o1->currentIteration(), 1);
+    // this animation is at the end because it was run on the previous loop
+    QCOMPARE(a3_s_o1->currentIteration(), 0);
+    QCOMPARE(a3_s_o1->currentTime(), 250);
+
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(sequence->state(), QAnimationGroup::Paused);
+    QCOMPARE(a1_s_o1->state(), QAnimationGroup::Paused);
+    QCOMPARE(a2_s_o1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3_s_o1->state(), QAnimationGroup::Stopped);
+
+    QCOMPARE(a1Spy.count(), 7); // Running,Paused,Stopped,Running,Stopped,Running,Stopped
+    QCOMPARE(a2Spy.count(), 4); // Running, Stopped, Running, Stopped
+    QVERIFY(compareStates(a3Spy, (StateList() << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Stopped
+                                              << QAbstractAnimation::Running
+                                              << QAbstractAnimation::Paused
+                                              << QAbstractAnimation::Stopped)));
+    QVERIFY(compareStates(seqSpy, (StateList() << QAbstractAnimation::Running
+                                               << QAbstractAnimation::Paused
+                                               << QAbstractAnimation::Stopped
+                                               << QAbstractAnimation::Running
+                                               << QAbstractAnimation::Paused)));
+    QCOMPARE(groupSpy.count(), 2);
+}
+
+void tst_QSequentialAnimationGroup::startDelay()
+{
+    QSequentialAnimationGroup group;
+    group.addPause(250);
+    group.addPause(125);
+    QCOMPARE(group.totalDuration(), 375);
+
+    QEventLoop loop;
+    QObject::connect(&group, SIGNAL(finished()), &loop, SLOT(quit()));
+
+    QTime time;
+    time.start();
+    group.start();
+    loop.exec();
+
+    QVERIFY(time.elapsed() >= 375);
+    QVERIFY(time.elapsed() < 1000);
+}
+
+void tst_QSequentialAnimationGroup::clearGroup()
+{
+    QSequentialAnimationGroup group;
+
+    for (int i = 0; i < 10; ++i) {
+        QSequentialAnimationGroup *subGroup = new QSequentialAnimationGroup(&group);
+        group.addPause(100);
+        subGroup->addPause(10);
+    }
+
+    QCOMPARE(group.animationCount(), 20);
+
+    int count = group.animationCount();
+    QPointer<QAbstractAnimation> *children = new QPointer<QAbstractAnimation>[count];
+    for (int i = 0; i < count; ++i) {
+        QVERIFY(group.animationAt(i) != 0);
+        children[i] = group.animationAt(i);
+    }
+
+    group.clearAnimations();
+    QCOMPARE(group.animationCount(), 0);
+    QCOMPARE(group.currentTime(), 0);
+    for (int i = 0; i < count; ++i)
+        QCOMPARE(children[i], QPointer<QAbstractAnimation>());
+
+    delete[] children;
+}
+
+void tst_QSequentialAnimationGroup::groupWithZeroDurationAnimations()
+{
+    QObject o;
+    QObject o2;
+
+    o.setProperty("myProperty", 42);
+    o.setProperty("myOtherProperty", 13);
+    o2.setProperty("myProperty", 42);
+    o2.setProperty("myOtherProperty", 13);
+
+    QSequentialAnimationGroup group;
+
+    QVariantAnimation *a1 = new QPropertyAnimation(&o, "myProperty");
+    a1->setDuration(0);
+    a1->setEndValue(43);
+    group.addAnimation(a1);
+
+    //this should just run fine and change nothing
+    group.setCurrentTime(0);
+    QCOMPARE(group.currentAnimation(), a1);
+
+    QVariantAnimation *a2 = new QPropertyAnimation(&o2, "myOtherProperty");
+    a2->setDuration(500);
+    a2->setEndValue(31);
+    group.addAnimation(a2);
+
+    QVariantAnimation *a3 = new QPropertyAnimation(&o, "myProperty");
+    a3->setDuration(0);
+    a3->setEndValue(44);
+    group.addAnimation(a3);
+
+    QVariantAnimation *a4 = new QPropertyAnimation(&o, "myOtherProperty");
+    a4->setDuration(250);
+    a4->setEndValue(75);
+    group.addAnimation(a4);
+
+    QVariantAnimation *a5 = new QPropertyAnimation(&o2, "myProperty");
+    a5->setDuration(0);
+    a5->setEndValue(12);
+    group.addAnimation(a5);
+
+    QCOMPARE(o.property("myProperty").toInt(), 42);
+    QCOMPARE(o.property("myOtherProperty").toInt(), 13);
+    QCOMPARE(o2.property("myProperty").toInt(), 42);
+    QCOMPARE(o2.property("myOtherProperty").toInt(), 13);
+
+
+    group.start();
+
+    QCOMPARE(o.property("myProperty").toInt(), 43);
+    QCOMPARE(o.property("myOtherProperty").toInt(), 13);
+    QCOMPARE(o2.property("myProperty").toInt(), 42);
+    QCOMPARE(o2.property("myOtherProperty").toInt(), 13);
+
+    QTest::qWait(50);
+
+    int o2val = o2.property("myOtherProperty").toInt();
+    QVERIFY(o2val > 13);
+    QVERIFY(o2val < 31);
+    QCOMPARE(o.property("myProperty").toInt(), 43);
+    QCOMPARE(o.property("myOtherProperty").toInt(), 13);
+
+    QTest::qWait(500);
+
+    QCOMPARE(o.property("myProperty").toInt(), 44);
+    QCOMPARE(o2.property("myProperty").toInt(), 42);
+    QCOMPARE(o2.property("myOtherProperty").toInt(), 31);
+    QCOMPARE(a1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a4->state(), QAnimationGroup::Running);
+    QCOMPARE(a5->state(), QAnimationGroup::Stopped);
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QTest::qWait(500);
+
+    QTRY_COMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(o.property("myProperty").toInt(), 44);
+    QCOMPARE(o.property("myOtherProperty").toInt(), 75);
+    QCOMPARE(o2.property("myProperty").toInt(), 12);
+    QCOMPARE(o2.property("myOtherProperty").toInt(), 31);
+    QCOMPARE(a1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a2->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a3->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a4->state(), QAnimationGroup::Stopped);
+    QCOMPARE(a5->state(), QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::propagateGroupUpdateToChildren()
+{
+    // this test verifies if group state changes are updating its children correctly
+    QSequentialAnimationGroup 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::Stopped);
+
+    group.pause();
+
+    QCOMPARE(group.state(), QAnimationGroup::Paused);
+    QCOMPARE(anim1.state(), QAnimationGroup::Paused);
+    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);
+
+    group.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::updateChildrenWithRunningGroup()
+{
+    // assert that its possible to modify a child's state directly while their group is running
+    QSequentialAnimationGroup 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).at(1)),
+             QAnimationGroup::Running);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(childStateChangedSpy.at(0).at(1)),
+             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_QSequentialAnimationGroup::deleteChildrenWithRunningGroup()
+{
+    // test if children can be activated when their group is stopped
+    QSequentialAnimationGroup 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(50);
+    QVERIFY(group.currentTime() > 0);
+
+    delete anim1;
+    QCOMPARE(group.animationCount(), 0);
+    QCOMPARE(group.duration(), 0);
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(group.currentTime(), 0); //that's the invariant
+}
+
+void tst_QSequentialAnimationGroup::startChildrenWithStoppedGroup()
+{
+    // test if children can be activated when their group is stopped
+    QSequentialAnimationGroup group;
+
+    TestAnimation anim1;
+    anim1.setStartValue(0);
+    anim1.setEndValue(100);
+    anim1.setDuration(200);
+
+    TestAnimation anim2;
+    anim2.setStartValue(0);
+    anim2.setEndValue(100);
+    anim2.setDuration(200);
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);
+
+    group.addAnimation(&anim1);
+    group.addAnimation(&anim2);
+
+    group.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);
+
+    anim1.start();
+    anim2.start();
+    anim2.pause();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Running);
+    QCOMPARE(anim2.state(), QAnimationGroup::Paused);
+}
+
+void tst_QSequentialAnimationGroup::stopGroupWithRunningChild()
+{
+    // children that started independently will not be affected by a group stop
+    QSequentialAnimationGroup group;
+
+    TestAnimation anim1;
+    anim1.setStartValue(0);
+    anim1.setEndValue(100);
+    anim1.setDuration(200);
+
+    TestAnimation anim2;
+    anim2.setStartValue(0);
+    anim2.setEndValue(100);
+    anim2.setDuration(200);
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);
+
+    group.addAnimation(&anim1);
+    group.addAnimation(&anim2);
+
+    anim1.start();
+    anim2.start();
+    anim2.pause();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Running);
+    QCOMPARE(anim2.state(), QAnimationGroup::Paused);
+
+    group.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Running);
+    QCOMPARE(anim2.state(), QAnimationGroup::Paused);
+
+    anim1.stop();
+    anim2.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2.state(), QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::startGroupWithRunningChild()
+{
+    // as the group has precedence over its children, starting a group will restart all the children
+    QSequentialAnimationGroup group;
+
+    TestAnimation *anim1 = new TestAnimation();
+    anim1->setStartValue(0);
+    anim1->setEndValue(100);
+    anim1->setDuration(200);
+
+    TestAnimation *anim2 = new TestAnimation();
+    anim2->setStartValue(0);
+    anim2->setEndValue(100);
+    anim2->setDuration(200);
+
+    QSignalSpy stateChangedSpy1(anim1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+    QSignalSpy stateChangedSpy2(anim2, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    QCOMPARE(stateChangedSpy1.count(), 0);
+    QCOMPARE(stateChangedSpy2.count(), 0);
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2->state(), QAnimationGroup::Stopped);
+
+    group.addAnimation(anim1);
+    group.addAnimation(anim2);
+
+    anim1->start();
+    anim2->start();
+    anim2->pause();
+
+    QVERIFY(compareStates(stateChangedSpy1, (StateList() << QAbstractAnimation::Running)));
+
+    QVERIFY(compareStates(stateChangedSpy2, (StateList() << QAbstractAnimation::Running
+                                                         << QAbstractAnimation::Paused)));
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1->state(), QAnimationGroup::Running);
+    QCOMPARE(anim2->state(), QAnimationGroup::Paused);
+
+    group.start();
+
+    QVERIFY(compareStates(stateChangedSpy1, (StateList() << QAbstractAnimation::Running
+                                                         << QAbstractAnimation::Stopped
+                                                         << QAbstractAnimation::Running)));
+    QVERIFY(compareStates(stateChangedSpy2, (StateList() << QAbstractAnimation::Running
+                                                         << QAbstractAnimation::Paused)));
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(anim1->state(), QAnimationGroup::Running);
+    QCOMPARE(anim2->state(), QAnimationGroup::Paused);
+
+    QTest::qWait(300);
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(anim1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2->state(), QAnimationGroup::Running);
+
+    QCOMPARE(stateChangedSpy2.count(), 4);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(stateChangedSpy2.at(2).at(1)),
+             QAnimationGroup::Stopped);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(stateChangedSpy2.at(3).at(1)),
+             QAnimationGroup::Running);
+
+    group.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2->state(), QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::zeroDurationAnimation()
+{
+    QSequentialAnimationGroup group;
+
+    TestAnimation *anim1 = new TestAnimation();
+    anim1->setStartValue(0);
+    anim1->setEndValue(100);
+    anim1->setDuration(0);
+
+    TestAnimation *anim2 = new TestAnimation();
+    anim2->setStartValue(0);
+    anim2->setEndValue(100);
+    anim2->setDuration(100);
+
+    AnimationObject o1;
+    QPropertyAnimation *anim3 = new QPropertyAnimation(&o1, "value");
+    anim3->setEndValue(100);
+    anim3->setDuration(0);
+
+    QSignalSpy stateChangedSpy(anim1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    group.addAnimation(anim1);
+    group.addAnimation(anim2);
+    group.addAnimation(anim3);
+    group.setIterationCount(2);
+    group.start();
+
+    QCOMPARE(stateChangedSpy.count(), 2);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(stateChangedSpy.at(0).at(1)),
+             QAnimationGroup::Running);
+    QCOMPARE(qVariantValue<QAbstractAnimation::State>(stateChangedSpy.at(1).at(1)),
+             QAnimationGroup::Stopped);
+
+    QCOMPARE(anim1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2->state(), QAnimationGroup::Running);
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+
+    //now let's try to seek to the next loop
+    group.setCurrentTime(group.duration() + 1);
+    QCOMPARE(anim1->state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim2->state(), QAnimationGroup::Running);
+    QCOMPARE(anim3->state(), QAnimationGroup::Stopped);
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(o1.value(), 100); //anim3 should have been run
+}
+
+void tst_QSequentialAnimationGroup::stopUncontrolledAnimations()
+{
+    QSequentialAnimationGroup group;
+
+    AnimationObject o1;
+    UncontrolledAnimation notTimeDriven(&o1, "value");
+    QCOMPARE(notTimeDriven.totalDuration(), -1);
+
+    TestAnimation loopsForever;
+    loopsForever.setStartValue(0);
+    loopsForever.setEndValue(100);
+    loopsForever.setDuration(100);
+    loopsForever.setIterationCount(-1);
+
+    group.addAnimation(&notTimeDriven);
+    group.addAnimation(&loopsForever);
+
+    group.start();
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Running);
+    QCOMPARE(loopsForever.state(), QAnimationGroup::Stopped);
+
+    notTimeDriven.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Stopped);
+    QCOMPARE(loopsForever.state(), QAnimationGroup::Running);
+
+    loopsForever.stop();
+
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Stopped);
+    QCOMPARE(loopsForever.state(), QAnimationGroup::Stopped);
+}
+
+void tst_QSequentialAnimationGroup::finishWithUncontrolledAnimation()
+{
+    AnimationObject o1;
+
+    //1st case:
+    //first we test a group with one uncontrolled animation
+    QSequentialAnimationGroup group;
+    UncontrolledAnimation notTimeDriven(&o1, "value", &group);
+    QSignalSpy spy(&group, SIGNAL(finished()));
+
+    group.start();
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Running);
+    QCOMPARE(group.currentTime(), 0);
+    QCOMPARE(notTimeDriven.currentTime(), 0);
+
+    QTest::qWait(300); //wait for the end of notTimeDriven
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Stopped);
+    const int actualDuration = notTimeDriven.currentTime();
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(group.currentTime(), actualDuration);
+    QCOMPARE(spy.count(), 1);
+
+    //2nd case:
+    // lets make sure the seeking will work again
+    spy.clear();
+    QPropertyAnimation anim(&group);
+    QSignalSpy animStateChangedSpy(&anim, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State)));
+
+    group.setCurrentTime(300);
+    QCOMPARE(group.state(), QAnimationGroup::Stopped);
+    QCOMPARE(notTimeDriven.currentTime(), actualDuration);
+    QCOMPARE(group.currentAnimation(), &anim);
+
+    //3rd case:
+    //now let's add a perfectly defined animation at the end
+    QCOMPARE(animStateChangedSpy.count(), 0);
+    group.start();
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Running);
+    QCOMPARE(group.currentTime(), 0);
+    QCOMPARE(notTimeDriven.currentTime(), 0);
+
+    QCOMPARE(animStateChangedSpy.count(), 0);
+
+    QTest::qWait(300); //wait for the end of notTimeDriven
+    QCOMPARE(notTimeDriven.state(), QAnimationGroup::Stopped);
+    QCOMPARE(group.state(), QAnimationGroup::Running);
+    QCOMPARE(anim.state(), QAnimationGroup::Running);
+    QCOMPARE(group.currentAnimation(), &anim);
+    QCOMPARE(animStateChangedSpy.count(), 1);
+    QTest::qWait(300); //wait for the end of anim
+
+    QCOMPARE(anim.state(), QAnimationGroup::Stopped);
+    QCOMPARE(anim.currentTime(), anim.duration());
+
+    //we should simply be at the end
+    QCOMPARE(spy.count(), 1);
+    QCOMPARE(animStateChangedSpy.count(), 2);
+    QCOMPARE(group.currentTime(), notTimeDriven.currentTime() + anim.currentTime());
+}
+
+void tst_QSequentialAnimationGroup::addRemoveAnimation()
+{
+    //this test is specific to the sequential animation group
+    QSequentialAnimationGroup group;
+
+    QCOMPARE(group.duration(), 0);
+    QCOMPARE(group.currentTime(), 0);
+    QVariantAnimation *anim1 = new QPropertyAnimation;
+    group.addAnimation(anim1);
+    QCOMPARE(group.duration(), 250);
+    QCOMPARE(group.currentTime(), 0);
+    QCOMPARE(group.currentAnimation(), anim1);
+
+    //let's append an animation
+    QVariantAnimation *anim2 = new QPropertyAnimation;
+    group.addAnimation(anim2);
+    QCOMPARE(group.duration(), 500);
+    QCOMPARE(group.currentTime(), 0);
+    QCOMPARE(group.currentAnimation(), anim1);
+
+    //let's prepend an animation
+    QVariantAnimation *anim0 = new QPropertyAnimation;
+    group.insertAnimationAt(0, anim0);
+    QCOMPARE(group.duration(), 750);
+    QCOMPARE(group.currentTime(), 0);
+    QCOMPARE(group.currentAnimation(), anim0); //anim0 has become the new currentAnimation
+
+    group.setCurrentTime(300); //anim0 | anim1 | anim2
+    QCOMPARE(group.currentTime(), 300);
+    QCOMPARE(group.currentAnimation(), anim1);
+    QCOMPARE(anim1->currentTime(), 50);
+
+    group.removeAnimation(anim0); //anim1 | anim2
+    QCOMPARE(group.currentTime(), 50);
+    QCOMPARE(group.currentAnimation(), anim1);
+    QCOMPARE(anim1->currentTime(), 50);
+
+    group.setCurrentTime(0);
+    group.insertAnimationAt(0, anim0); //anim0 | anim1 | anim2
+    group.setCurrentTime(300);
+    QCOMPARE(group.currentTime(), 300);
+    QCOMPARE(group.currentAnimation(), anim1);
+    QCOMPARE(anim1->currentTime(), 50);
+
+    group.removeAnimation(anim1); //anim0 | anim2
+    QCOMPARE(group.currentTime(), 250);
+    QCOMPARE(group.currentAnimation(), anim2);
+    QCOMPARE(anim0->currentTime(), 250);
+}
+
+void tst_QSequentialAnimationGroup::currentAnimation()
+{
+    QSequentialAnimationGroup group;
+    QVERIFY(group.currentAnimation() == 0);
+
+    QPropertyAnimation anim;
+    anim.setDuration(0);
+    group.addAnimation(&anim);
+    QCOMPARE(group.currentAnimation(), &anim);
+}
+
+void tst_QSequentialAnimationGroup::currentAnimationWithZeroDuration()
+{
+    QSequentialAnimationGroup group;
+    QVERIFY(group.currentAnimation() == 0);
+
+    QPropertyAnimation zero1;
+    zero1.setDuration(0);
+    QPropertyAnimation zero2;
+    zero2.setDuration(0);
+
+    QPropertyAnimation anim;
+
+    QPropertyAnimation zero3;
+    zero3.setDuration(0);
+    QPropertyAnimation zero4;
+    zero4.setDuration(0);
+
+
+    group.addAnimation(&zero1);
+    group.addAnimation(&zero2);
+    group.addAnimation(&anim);
+    group.addAnimation(&zero3);
+    group.addAnimation(&zero4);
+
+    QCOMPARE(group.currentAnimation(), &zero1);
+
+    group.setCurrentTime(0);
+    QCOMPARE(group.currentAnimation(), &anim);
+
+    group.setCurrentTime(group.duration());
+    QCOMPARE(group.currentAnimation(), &zero4);
+
+    group.setDirection(QAbstractAnimation::Backward);
+
+    group.setCurrentTime(0);
+    QCOMPARE(group.currentAnimation(), &zero1);
+
+    group.setCurrentTime(group.duration());
+    QCOMPARE(group.currentAnimation(), &anim);
+}
+
+void tst_QSequentialAnimationGroup::insertAnimation()
+{
+    QSequentialAnimationGroup group;
+    group.setIterationCount(2);
+    QPropertyAnimation *anim = new QPropertyAnimation(&group);
+    QCOMPARE(group.duration(), anim->duration());
+    group.setCurrentTime(300);
+    QCOMPARE(group.currentIteration(), 1);
+
+    //this will crash if the sequential group calls duration on the created animation
+    new QPropertyAnimation(&group);
+}
+
+
+class SequentialAnimationGroup : public QSequentialAnimationGroup
+{
+    Q_OBJECT
+public slots:
+    void clearAnimations()
+    {
+        QSequentialAnimationGroup::clearAnimations();
+    }
+
+    void refill()
+    {
+        stop();
+        clearAnimations();
+        new QPropertyAnimation(this);
+        start();
+    }
+
+};
+
+
+void tst_QSequentialAnimationGroup::clearAnimations()
+{
+    SequentialAnimationGroup group;
+    QPointer<QAbstractAnimation> anim1 = new QPropertyAnimation(&group);
+    group.connect(anim1, SIGNAL(finished()), SLOT(clearAnimations()));
+    new QPropertyAnimation(&group);
+    QCOMPARE(group.animationCount(), 2);
+
+    group.start();
+    QTest::qWait(anim1->duration() + 100);
+    QCOMPARE(group.animationCount(), 0);
+    QCOMPARE(group.state(), QAbstractAnimation::Stopped);
+    QCOMPARE(group.currentTime(), 0);
+
+    anim1 = new QPropertyAnimation(&group);
+    group.connect(anim1, SIGNAL(finished()), SLOT(refill()));
+    group.start();
+    QTest::qWait(anim1->duration() + 100);
+    QVERIFY(anim1 == 0); //anim1 should have been deleted
+    QCOMPARE(group.state(), QAbstractAnimation::Running);
+}
+
+QTEST_MAIN(tst_QSequentialAnimationGroup)
+#include "tst_qsequentialanimationgroup.moc"