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#include <qtest.h>
#include <QtTest/QSignalSpy>
#include <QtDeclarative/qdeclarativeengine.h>
#include <QtDeclarative/qdeclarativecomponent.h>
#include <private/qdeclarativeflickable_p.h>
#include <private/qdeclarativevaluetype_p.h>
#include <math.h>

class tst_qdeclarativeflickable : public QObject
{
    Q_OBJECT
public:
    tst_qdeclarativeflickable();

private slots:
    void create();
    void horizontalViewportSize();
    void verticalViewportSize();
    void properties();
    void overShoot();
    void maximumFlickVelocity();
    void flickDeceleration();
    void pressDelay();

private:
    QDeclarativeEngine engine;
};

tst_qdeclarativeflickable::tst_qdeclarativeflickable()
{
}

void tst_qdeclarativeflickable::create()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent c(&engine, QUrl::fromLocalFile(SRCDIR "/data/flickable01.qml"));
    QDeclarativeFlickable *obj = qobject_cast<QDeclarativeFlickable*>(c.create());

    QVERIFY(obj != 0);
    QCOMPARE(obj->isAtXBeginning(), true);
    QCOMPARE(obj->isAtXEnd(), false);
    QCOMPARE(obj->isAtYBeginning(), true);
    QCOMPARE(obj->isAtYEnd(), false);
    QCOMPARE(obj->viewportX(), 0.);
    QCOMPARE(obj->viewportY(), 0.);

    QCOMPARE(obj->horizontalVelocity(), 0.);
    QCOMPARE(obj->verticalVelocity(), 0.);
    QCOMPARE(obj->reportedVelocitySmoothing(), 100.);

    QCOMPARE(obj->isInteractive(), true);
    QCOMPARE(obj->overShoot(), true);
    QCOMPARE(obj->pressDelay(), 0);
    QCOMPARE(obj->maximumFlickVelocity(), 2000.);

    delete obj;
}

void tst_qdeclarativeflickable::horizontalViewportSize()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent c(&engine, QUrl::fromLocalFile(SRCDIR "/data/flickable02.qml"));
    QDeclarativeFlickable *obj = qobject_cast<QDeclarativeFlickable*>(c.create());

    QVERIFY(obj != 0);
    QCOMPARE(obj->viewportWidth(), 800.);
    QCOMPARE(obj->viewportHeight(), 300.);
    QCOMPARE(obj->isAtXBeginning(), true);
    QCOMPARE(obj->isAtXEnd(), false);
    QCOMPARE(obj->isAtYBeginning(), true);
    QCOMPARE(obj->isAtYEnd(), false);

    delete obj;
}

void tst_qdeclarativeflickable::verticalViewportSize()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent c(&engine, QUrl::fromLocalFile(SRCDIR "/data/flickable03.qml"));
    QDeclarativeFlickable *obj = qobject_cast<QDeclarativeFlickable*>(c.create());

    QVERIFY(obj != 0);
    QCOMPARE(obj->viewportWidth(), 200.);
    QCOMPARE(obj->viewportHeight(), 1200.);
    QCOMPARE(obj->isAtXBeginning(), true);
    QCOMPARE(obj->isAtXEnd(), false);
    QCOMPARE(obj->isAtYBeginning(), true);
    QCOMPARE(obj->isAtYEnd(), false);

    delete obj;
}

void tst_qdeclarativeflickable::properties()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent c(&engine, QUrl::fromLocalFile(SRCDIR "/data/flickable04.qml"));
    QDeclarativeFlickable *obj = qobject_cast<QDeclarativeFlickable*>(c.create());

    QVERIFY(obj != 0);
    QCOMPARE(obj->isInteractive(), false);
    QCOMPARE(obj->overShoot(), false);
    QCOMPARE(obj->pressDelay(), 200);
    QCOMPARE(obj->maximumFlickVelocity(), 2000.);

    delete obj;
}

void tst_qdeclarativeflickable::overShoot()
{
    QDeclarativeComponent component(&engine);
    component.setData("import Qt 4.6; Flickable { overShoot: false; }", QUrl::fromLocalFile(""));
    QDeclarativeFlickable *flickable = qobject_cast<QDeclarativeFlickable*>(component.create());
    QSignalSpy spy(flickable, SIGNAL(overShootChanged()));

    QVERIFY(flickable);
    QVERIFY(!flickable->overShoot());

    flickable->setOverShoot(true);
    QVERIFY(flickable->overShoot());
    QCOMPARE(spy.count(),1);
    flickable->setOverShoot(true);
    QCOMPARE(spy.count(),1);

    flickable->setOverShoot(false);
    QVERIFY(!flickable->overShoot());
    QCOMPARE(spy.count(),2);
    flickable->setOverShoot(false);
    QCOMPARE(spy.count(),2);
}

void tst_qdeclarativeflickable::maximumFlickVelocity()
{
    QDeclarativeComponent component(&engine);
    component.setData("import Qt 4.6; Flickable { maximumFlickVelocity: 1.0; }", QUrl::fromLocalFile(""));
    QDeclarativeFlickable *flickable = qobject_cast<QDeclarativeFlickable*>(component.create());
    QSignalSpy spy(flickable, SIGNAL(maximumFlickVelocityChanged()));

    QVERIFY(flickable);
    QCOMPARE(flickable->maximumFlickVelocity(), 1.0);

    flickable->setMaximumFlickVelocity(2.0);
    QCOMPARE(flickable->maximumFlickVelocity(), 2.0);
    QCOMPARE(spy.count(),1);
    flickable->setMaximumFlickVelocity(2.0);
    QCOMPARE(spy.count(),1);
}

void tst_qdeclarativeflickable::flickDeceleration()
{
    QDeclarativeComponent component(&engine);
    component.setData("import Qt 4.6; Flickable { flickDeceleration: 1.0; }", QUrl::fromLocalFile(""));
    QDeclarativeFlickable *flickable = qobject_cast<QDeclarativeFlickable*>(component.create());
    QSignalSpy spy(flickable, SIGNAL(flickDecelerationChanged()));

    QVERIFY(flickable);
    QCOMPARE(flickable->flickDeceleration(), 1.0);

    flickable->setFlickDeceleration(2.0);
    QCOMPARE(flickable->flickDeceleration(), 2.0);
    QCOMPARE(spy.count(),1);
    flickable->setFlickDeceleration(2.0);
    QCOMPARE(spy.count(),1);
}

void tst_qdeclarativeflickable::pressDelay()
{
    QDeclarativeComponent component(&engine);
    component.setData("import Qt 4.6; Flickable { pressDelay: 100; }", QUrl::fromLocalFile(""));
    QDeclarativeFlickable *flickable = qobject_cast<QDeclarativeFlickable*>(component.create());
    QSignalSpy spy(flickable, SIGNAL(pressDelayChanged()));

    QVERIFY(flickable);
    QCOMPARE(flickable->pressDelay(), 100);

    flickable->setPressDelay(200);
    QCOMPARE(flickable->pressDelay(), 200);
    QCOMPARE(spy.count(),1);
    flickable->setPressDelay(200);
    QCOMPARE(spy.count(),1);
}

QTEST_MAIN(tst_qdeclarativeflickable)

#include "tst_qdeclarativeflickable.moc"