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#include <QtTest/QtTest>

#if QT_VERSION < 0x040200

QTEST_NOOP_MAIN

#else

#include <qeasingcurve.h>

//TESTED_CLASS=

//TESTED_FILES=

class tst_QEasingCurve : public QObject {

  Q_OBJECT

public:

    tst_QEasingCurve();

    virtual ~tst_QEasingCurve();

public Q_SLOTS:

    void init();

    void cleanup();

private slots:

    void type();

    void propertyDefaults();

    void valueForProgress_data();

    void valueForProgress();

    void setCustomType();

    void operators();

protected:

};

tst_QEasingCurve::tst_QEasingCurve()

{

}

tst_QEasingCurve::~tst_QEasingCurve()

{

}

void tst_QEasingCurve::init()

{

}

void tst_QEasingCurve::cleanup()

{

}

#include <qdebug.h>

void tst_QEasingCurve::type()

{

    {

    QEasingCurve curve(QEasingCurve::Linear);

    QCOMPARE(curve.period(), 0.3);

    QCOMPARE(curve.amplitude(), 1.0);

    curve.setPeriod(5);

    curve.setAmplitude(3);

    QCOMPARE(curve.period(), 5.0);

    QCOMPARE(curve.amplitude(), 3.0);

    curve.setType(QEasingCurve::InElastic);

    QCOMPARE(curve.period(), 5.0);

    QCOMPARE(curve.amplitude(), 3.0);

    }

    {

    QEasingCurve curve(QEasingCurve::InElastic);

    QCOMPARE(curve.period(), 0.3);

    QCOMPARE(curve.amplitude(), 1.0);

    curve.setAmplitude(2);

    QCOMPARE(curve.type(), QEasingCurve::InElastic);

    curve.setType(QEasingCurve::Linear);

    }

    {

    // check bounaries

    QEasingCurve curve(QEasingCurve::InCubic);

    QTest::ignoreMessage(QtWarningMsg, "QEasingCurve: Invalid curve type 9999");

    curve.setType((QEasingCurve::Type)9999);

    QCOMPARE(curve.type(), QEasingCurve::InCubic);

    QTest::ignoreMessage(QtWarningMsg, "QEasingCurve: Invalid curve type -9999");

    curve.setType((QEasingCurve::Type)-9999);

    QCOMPARE(curve.type(), QEasingCurve::InCubic);

    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QEasingCurve: Invalid curve type %1")

                        .arg(QEasingCurve::NCurveTypes).toLatin1().constData());

    curve.setType(QEasingCurve::NCurveTypes);

    QCOMPARE(curve.type(), QEasingCurve::InCubic);

    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QEasingCurve: Invalid curve type %1")

                        .arg(QEasingCurve::Custom).toLatin1().constData());

    curve.setType(QEasingCurve::Custom);

    QCOMPARE(curve.type(), QEasingCurve::InCubic);

    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QEasingCurve: Invalid curve type %1")

                        .arg(-1).toLatin1().constData());

    curve.setType((QEasingCurve::Type)-1);

    QCOMPARE(curve.type(), QEasingCurve::InCubic);

    curve.setType(QEasingCurve::Linear);

    QCOMPARE(curve.type(), QEasingCurve::Linear);

    curve.setType(QEasingCurve::CosineCurve);

    QCOMPARE(curve.type(), QEasingCurve::CosineCurve);

    }

}

void tst_QEasingCurve::propertyDefaults()

{

    {

    // checks if the defaults are correct, but also demonstrates a weakness with the API.

    QEasingCurve curve(QEasingCurve::InElastic);

    QCOMPARE(curve.period(), 0.3);

    QCOMPARE(curve.amplitude(), 1.0);

    QCOMPARE(curve.overshoot(), qreal(1.70158f));

    curve.setType(QEasingCurve::InBounce);

    QCOMPARE(curve.period(), 0.3);

    QCOMPARE(curve.amplitude(), 1.0);

    QCOMPARE(curve.overshoot(), qreal(1.70158f));

    curve.setType(QEasingCurve::Linear);

    QCOMPARE(curve.period(), 0.3);

    QCOMPARE(curve.amplitude(), 1.0);

    QCOMPARE(curve.overshoot(), qreal(1.70158f));

    curve.setType(QEasingCurve::InElastic);

    QCOMPARE(curve.period(), 0.3);

    QCOMPARE(curve.amplitude(), 1.0);

    QCOMPARE(curve.overshoot(), qreal(1.70158f));

    curve.setPeriod(0.4);

    curve.setAmplitude(0.6);

    curve.setOvershoot(1.0);

    curve.setType(QEasingCurve::Linear);

    QCOMPARE(curve.period(), 0.4);

    QCOMPARE(curve.amplitude(), 0.6);

    QCOMPARE(curve.overshoot(), 1.0);

    curve.setType(QEasingCurve::InElastic);

    QCOMPARE(curve.period(), 0.4);

    QCOMPARE(curve.amplitude(), 0.6);

    QCOMPARE(curve.overshoot(), 1.0);

    }

}

typedef QList<int> IntList;

typedef QList<qreal> RealList;

Q_DECLARE_METATYPE(IntList)

Q_DECLARE_METATYPE(RealList)

void tst_QEasingCurve::valueForProgress_data()

{

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

    QTest::addColumn<IntList>("at");

    QTest::addColumn<RealList>("expected");

    // automatically generated.

    // note that values are scaled from range [0,1] to range [0, 100] in order to store them as

    // integer values and avoid fp inaccuracies

    QTest::newRow("Linear") << int(QEasingCurve::Linear)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.1 << 0.2 << 0.3 << 0.4 << 0.5 << 0.6 << 0.7 << 0.8 << 0.9 << 1);

    QTest::newRow("InQuad") << int(QEasingCurve::InQuad)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.01 << 0.04 << 0.09 << 0.16 << 0.25 << 0.36 << 0.49 << 0.64 << 0.81 << 1);

    QTest::newRow("OutQuad") << int(QEasingCurve::OutQuad)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.19 << 0.36 << 0.51 << 0.64 << 0.75 << 0.84 << 0.91 << 0.96 << 0.99 << 1);

    QTest::newRow("InOutQuad") << int(QEasingCurve::InOutQuad)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.02 << 0.08 << 0.18 << 0.32 << 0.5 << 0.68 << 0.82 << 0.92 << 0.98 << 1);

    QTest::newRow("OutInQuad") << int(QEasingCurve::OutInQuad)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.18 << 0.32 << 0.42 << 0.48 << 0.5 << 0.52 << 0.58 << 0.68 << 0.82 << 1);

    QTest::newRow("InCubic") << int(QEasingCurve::InCubic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.001 << 0.008 << 0.027 << 0.064 << 0.125 << 0.216 << 0.343 << 0.512 << 0.729 << 1);

    QTest::newRow("OutCubic") << int(QEasingCurve::OutCubic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.271 << 0.488 << 0.657 << 0.784 << 0.875 << 0.936 << 0.973 << 0.992 << 0.999 << 1);

    QTest::newRow("InOutCubic") << int(QEasingCurve::InOutCubic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.004 << 0.032 << 0.108 << 0.256 << 0.5 << 0.744 << 0.892 << 0.968 << 0.996 << 1);

    QTest::newRow("OutInCubic") << int(QEasingCurve::OutInCubic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.244 << 0.392 << 0.468 << 0.496 << 0.5 << 0.504 << 0.532 << 0.608 << 0.756 << 1);

    QTest::newRow("InQuart") << int(QEasingCurve::InQuart)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.0001 << 0.0016 << 0.0081 << 0.0256 << 0.0625 << 0.1296 << 0.2401 << 0.4096 << 0.6561 << 1);

    QTest::newRow("OutQuart") << int(QEasingCurve::OutQuart)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.3439 << 0.5904 << 0.7599 << 0.8704 << 0.9375 << 0.9744 << 0.9919 << 0.9984 << 0.9999 << 1);

    QTest::newRow("InOutQuart") << int(QEasingCurve::InOutQuart)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.0008 << 0.0128 << 0.0648 << 0.2048 << 0.5 << 0.7952 << 0.9352 << 0.9872 << 0.9992 << 1);

    QTest::newRow("OutInQuart") << int(QEasingCurve::OutInQuart)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.2952 << 0.4352 << 0.4872 << 0.4992 << 0.5 << 0.5008 << 0.5128 << 0.5648 << 0.7048 << 1);

    QTest::newRow("InQuint") << int(QEasingCurve::InQuint)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 1e-05 << 0.00032 << 0.00243 << 0.01024 << 0.03125 << 0.07776 << 0.1681 << 0.3277 << 0.5905 << 1);

    QTest::newRow("OutQuint") << int(QEasingCurve::OutQuint)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.4095 << 0.6723 << 0.8319 << 0.9222 << 0.9688 << 0.9898 << 0.9976 << 0.9997 << 1 << 1);

    QTest::newRow("InOutQuint") << int(QEasingCurve::InOutQuint)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.00016 << 0.00512 << 0.03888 << 0.1638 << 0.5 << 0.8362 << 0.9611 << 0.9949 << 0.9998 << 1);

    QTest::newRow("OutInQuint") << int(QEasingCurve::OutInQuint)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.3362 << 0.4611 << 0.4949 << 0.4998 << 0.5 << 0.5002 << 0.5051 << 0.5389 << 0.6638 << 1);

    QTest::newRow("InSine") << int(QEasingCurve::InSine)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.01231 << 0.04894 << 0.109 << 0.191 << 0.2929 << 0.4122 << 0.546 << 0.691 << 0.8436 << 1);

    QTest::newRow("OutSine") << int(QEasingCurve::OutSine)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.1564 << 0.309 << 0.454 << 0.5878 << 0.7071 << 0.809 << 0.891 << 0.9511 << 0.9877 << 1);

    QTest::newRow("InOutSine") << int(QEasingCurve::InOutSine)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.02447 << 0.09549 << 0.2061 << 0.3455 << 0.5 << 0.6545 << 0.7939 << 0.9045 << 0.9755 << 1);

    QTest::newRow("OutInSine") << int(QEasingCurve::OutInSine)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.1545 << 0.2939 << 0.4045 << 0.4755 << 0.5 << 0.5245 << 0.5955 << 0.7061 << 0.8455 << 1);

    QTest::newRow("InExpo") << int(QEasingCurve::InExpo)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.0009531 << 0.002906 << 0.006812 << 0.01462 << 0.03025 << 0.0615 << 0.124 << 0.249 << 0.499 << 1);

    QTest::newRow("OutExpo") << int(QEasingCurve::OutExpo)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.5005 << 0.7507 << 0.8759 << 0.9384 << 0.9697 << 0.9854 << 0.9932 << 0.9971 << 0.999 << 1);

    QTest::newRow("InOutExpo") << int(QEasingCurve::InOutExpo)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.001453 << 0.007312 << 0.03075 << 0.1245 << 0.5002 << 0.8754 << 0.9692 << 0.9927 << 0.9985 << 1);

    QTest::newRow("OutInExpo") << int(QEasingCurve::OutInExpo)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.3754 << 0.4692 << 0.4927 << 0.4985 << 0.5 << 0.5015 << 0.5073 << 0.5308 << 0.6245 << 1);

    QTest::newRow("InCirc") << int(QEasingCurve::InCirc)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.005013 << 0.0202 << 0.04606 << 0.08348 << 0.134 << 0.2 << 0.2859 << 0.4 << 0.5641 << 1);

    QTest::newRow("OutCirc") << int(QEasingCurve::OutCirc)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.4359 << 0.6 << 0.7141 << 0.8 << 0.866 << 0.9165 << 0.9539 << 0.9798 << 0.995 << 1);

    QTest::newRow("InOutCirc") << int(QEasingCurve::InOutCirc)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.0101 << 0.04174 << 0.1 << 0.2 << 0.5 << 0.8 << 0.9 << 0.9583 << 0.9899 << 1);

    QTest::newRow("OutInCirc") << int(QEasingCurve::OutInCirc)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.3 << 0.4 << 0.4583 << 0.4899 << 0.5 << 0.5101 << 0.5417 << 0.6 << 0.7 << 1);

    QTest::newRow("InElastic") << int(QEasingCurve::InElastic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.001953 << -0.001953 << -0.003906 << 0.01562 << -0.01562 << -0.03125 << 0.125 << -0.125 << -0.25 << 1);

    QTest::newRow("OutElastic") << int(QEasingCurve::OutElastic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 1.25 << 1.125 << 0.875 << 1.031 << 1.016 << 0.9844 << 1.004 << 1.002 << 0.998 << 1);

    QTest::newRow("InOutElastic") << int(QEasingCurve::InOutElastic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << -0.0009766 << 0.007812 << -0.01563 << -0.0625 << 0.5 << 1.062 << 1.016 << 0.9922 << 1.001 << 1);

    QTest::newRow("OutInElastic") << int(QEasingCurve::OutInElastic)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.375 << 0.5625 << 0.4922 << 0.498 << 0.5 << 0.4961 << 0.5078 << 0.5313 << 0.25 << 1);

    QTest::newRow("InBack") << int(QEasingCurve::InBack)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << -0.01431 << -0.04645 << -0.0802 << -0.09935 << -0.0877 << -0.02903 << 0.09287 << 0.2942 << 0.5912 << 1);

    QTest::newRow("OutBack") << int(QEasingCurve::OutBack)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.4088 << 0.7058 << 0.9071 << 1.029 << 1.088 << 1.099 << 1.08 << 1.046 << 1.014 << 1);

    QTest::newRow("InOutBack") << int(QEasingCurve::InOutBack)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << -0.03752 << -0.09256 << -0.07883 << 0.08993 << 0.5 << 0.9101 << 1.079 << 1.093 << 1.038 << 1);

    QTest::newRow("OutInBack") << int(QEasingCurve::OutInBack)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.3529 << 0.5145 << 0.5497 << 0.5232 << 0.5 << 0.4768 << 0.4503 << 0.4855 << 0.6471 << 1);

    QTest::newRow("InBounce") << int(QEasingCurve::InBounce)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.01188 << 0.06 << 0.06937 << 0.2275 << 0.2344 << 0.09 << 0.3194 << 0.6975 << 0.9244 << 1);

    QTest::newRow("OutBounce") << int(QEasingCurve::OutBounce)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.07563 << 0.3025 << 0.6806 << 0.91 << 0.7656 << 0.7725 << 0.9306 << 0.94 << 0.9881 << 1);

    QTest::newRow("InOutBounce") << int(QEasingCurve::InOutBounce)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.03 << 0.1138 << 0.045 << 0.3488 << 0.5 << 0.6512 << 0.955 << 0.8862 << 0.97 << 1);

    QTest::newRow("OutInBounce") << int(QEasingCurve::OutInBounce)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.1513 << 0.41 << 0.2725 << 0.44 << 0.5 << 0.56 << 0.7275 << 0.59 << 0.8488 << 1);

    QTest::newRow("InCurve") << int(QEasingCurve::InCurve)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.02447 << 0.1059 << 0.2343 << 0.3727 << 0.5 << 0.6055 << 0.7 << 0.8 << 0.9 << 1);

    QTest::newRow("OutCurve") << int(QEasingCurve::OutCurve)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.1 << 0.2 << 0.3 << 0.3945 << 0.5 << 0.6273 << 0.7657 << 0.8941 << 0.9755 << 1);

    QTest::newRow("SineCurve") << int(QEasingCurve::SineCurve)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0 << 0.09549 << 0.3455 << 0.6545 << 0.9045 << 1 << 0.9045 << 0.6545 << 0.3455 << 0.09549 << 0);

    QTest::newRow("CosineCurve") << int(QEasingCurve::CosineCurve)

         << (IntList()  << 0 << 10 << 20 << 30 << 40 << 50 << 60 << 70 << 80 << 90 << 100)

         << (RealList() << 0.5 << 0.7939 << 0.9755 << 0.9755 << 0.7939 << 0.5 << 0.2061 << 0.02447 << 0.02447 << 0.2061 << 0.5);

}

void tst_QEasingCurve::valueForProgress()

{

#if 0

    // used to generate data tables...

    QFile out;

    out.open(stdout, QIODevice::WriteOnly);

    for (int c = QEasingCurve::Linear; c < QEasingCurve::NCurveTypes - 1; ++c) {

        QEasingCurve curve((QEasingCurve::Type)c);

        QMetaObject mo = QEasingCurve::staticMetaObject;

        QString strCurve = QLatin1String(mo.enumerator(mo.indexOfEnumerator("Type")).key(c));

        QString strInputs;

        QString strOutputs;

        for (int t = 0; t <= 100; t+= 10) {

            qreal ease = curve.valueForProgress(t/qreal(100));

            strInputs += QString::fromAscii(" << %1").arg(t);

            strOutputs += " << " + QString().setNum(ease, 'g', 4);

        }

        QString str = QString::fromAscii("    QTest::newRow(\"%1\") << int(QEasingCurve::%2)\n"

                                                "         << (IntList() %3)\n"

                                                "         << (RealList()%4);\n\n")

                                      .arg(strCurve)

                                      .arg(strCurve)

                                      .arg(strInputs)

                                      .arg(strOutputs);

        out.write(str.toLatin1().constData());

    }

    out.close();

    exit(1);

#else

    QFETCH(int, type);

    QFETCH(IntList, at);

    QFETCH(RealList, expected);

    QEasingCurve curve((QEasingCurve::Type)type);

    for (int i = 0; i < at.count(); ++i) {

        qreal ease = curve.valueForProgress(at.at(i)/qreal(100));

        // converting ease to 4 precision qreal to match the generated samples

        qreal easeConv = qreal(QString().setNum(ease, 'g', 4).toDouble());

        qreal ex = expected.at(i);

        // the least significant digit it is still subject to rounding errors

        qreal error = easeConv - ex;

        qreal errorbound = 0.00001;                

#if defined( Q_OS_WINCE ) || defined( Q_OS_SYMBIAN )

        // exception values for WINCE(this test should be rewritten, as it only freezes the status quo of QEasingCurve

        // The failing (2) values are explicitly excepted here:

        // The source values for the comparison table should remain untruncated double and the

        // error bound checking function dynamic. Also the source values should come from a "trusted" source and not

        // from QEasingCurve itself.        

        if ((type == int(QEasingCurve::InOutBounce) && (i == 8 || i == 6) ) || (type == int(QEasingCurve::OutExpo) && i == 2))

            errorbound = 0.0002;         

#endif 

        // accept the potential rounding error in the least significant digit

        QVERIFY(error <= errorbound );          

    }

#endif

}

static qreal discreteEase(qreal progress)

{

    return qFloor(progress * 10) / qreal(10.0);

}

void tst_QEasingCurve::setCustomType()

{

    QEasingCurve curve;

    curve.setCustomType(&discreteEase);

    QCOMPARE(curve.type(), QEasingCurve::Custom);

    QCOMPARE(curve.valueForProgress(0.0), 0.0);

    QCOMPARE(curve.valueForProgress(0.05), 0.0);

    QCOMPARE(curve.valueForProgress(0.10), 0.1);

    QCOMPARE(curve.valueForProgress(0.15), 0.1);

    QCOMPARE(curve.valueForProgress(0.20), 0.2);

    QCOMPARE(curve.valueForProgress(0.25), 0.2);

    QCOMPARE(curve.valueForProgress(0.30), 0.3);

    QCOMPARE(curve.valueForProgress(0.35), 0.3);

    QCOMPARE(curve.valueForProgress(0.999999), 0.9);

    curve.setType(QEasingCurve::Linear);

    QCOMPARE(curve.type(), QEasingCurve::Linear);

    QCOMPARE(curve.valueForProgress(0.0), 0.0);

    QCOMPARE(curve.valueForProgress(0.1), 0.1);

    QCOMPARE(curve.valueForProgress(0.5), 0.5);

    QCOMPARE(curve.valueForProgress(0.99), 0.99);

}

void tst_QEasingCurve::operators()

{

    // operator=

    QEasingCurve curve;

    QEasingCurve curve2;

    curve.setCustomType(&discreteEase);

    curve2 = curve;

    QCOMPARE(curve2.type(), QEasingCurve::Custom);

    QCOMPARE(curve2.valueForProgress(0.0), 0.0);

    QCOMPARE(curve2.valueForProgress(0.05), 0.0);

    QCOMPARE(curve2.valueForProgress(0.15), 0.1);

    QCOMPARE(curve2.valueForProgress(0.25), 0.2);

    QCOMPARE(curve2.valueForProgress(0.35), 0.3);

    QCOMPARE(curve2.valueForProgress(0.999999), 0.9);

    // operator==

    curve.setType(QEasingCurve::InBack);

    curve2 = curve;

    curve2.setOvershoot(qreal(1.70158f));

    QCOMPARE(curve.overshoot(), curve2.overshoot());

    QVERIFY(curve2 == curve);

    curve.setOvershoot(3.0);

    QVERIFY(curve2 != curve);

    curve2.setOvershoot(3.0);

    QVERIFY(curve2 == curve);

    curve2.setType(QEasingCurve::Linear);

    QCOMPARE(curve.overshoot(), curve2.overshoot());

    QVERIFY(curve2 != curve);

    curve2.setType(QEasingCurve::InBack);

    QCOMPARE(curve.overshoot(), curve2.overshoot());

    QVERIFY(curve2 == curve);

}

QTEST_MAIN(tst_QEasingCurve)

#include "tst_qeasingcurve.moc"

#endif //QT_VERSION