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#include <QtTest/QtTest>

#include <QDial>

class tst_QDial : public QObject

{

    Q_OBJECT

public:

    tst_QDial();

private slots:

    void getSetCheck();

    void valueChanged();

    void sliderMoved();

};

// Testing get/set functions

void tst_QDial::getSetCheck()

{

    QDial obj1;

    // bool QDial::notchesVisible()

    // void QDial::setNotchesVisible(bool)

    obj1.setNotchesVisible(false);

    QCOMPARE(false, obj1.notchesVisible());

    obj1.setNotchesVisible(true);

    QCOMPARE(true, obj1.notchesVisible());

    // bool QDial::wrapping()

    // void QDial::setWrapping(bool)

    obj1.setWrapping(false);

    QCOMPARE(false, obj1.wrapping());

    obj1.setWrapping(true);

    QCOMPARE(true, obj1.wrapping());

}

tst_QDial::tst_QDial()

{

}

void tst_QDial::valueChanged()

{

    QDial dial;

    dial.setMinimum(0);

    dial.setMaximum(100);

    QSignalSpy spy(&dial, SIGNAL(valueChanged(int)));

    dial.setValue(50);

    QCOMPARE(spy.count(), 1);

    spy.clear();

    dial.setValue(25);

    QCOMPARE(spy.count(), 1);

    spy.clear();

    // repeat!

    dial.setValue(25);

    QCOMPARE(spy.count(), 0);

}

void tst_QDial::sliderMoved()

{

    //this tests that when dragging the arrow that the sliderMoved signal is emitted

    //even if tracking is set to false

    QDial dial;

    dial.setTracking(false);

    dial.setMinimum(0);

    dial.setMaximum(100);

    dial.show();

    QPoint init(dial.width()/4, dial.height()/2);

    QMouseEvent pressevent(QEvent::MouseButtonPress, init,

        Qt::LeftButton, Qt::LeftButton, 0);

    qApp->sendEvent(&dial, &pressevent);

    QSignalSpy sliderspy(&dial, SIGNAL(sliderMoved(int)));

    QSignalSpy valuespy(&dial, SIGNAL(valueChanged(int)));

    { //move on top of the slider

        init = QPoint(dial.width()/2, dial.height()/4);

        QMouseEvent moveevent(QEvent::MouseMove, init,

            Qt::LeftButton, Qt::LeftButton, 0);

        qApp->sendEvent(&dial, &moveevent);

        QCOMPARE( sliderspy.count(), 1);

        QCOMPARE( valuespy.count(), 0);

    }

    { //move on the right of the slider

        init = QPoint(dial.width()*3/4, dial.height()/2);

        QMouseEvent moveevent(QEvent::MouseMove, init,

            Qt::LeftButton, Qt::LeftButton, 0);

        qApp->sendEvent(&dial, &moveevent);

        QCOMPARE( sliderspy.count(), 2);

        QCOMPARE( valuespy.count(), 0);

    }

    QMouseEvent releaseevent(QEvent::MouseButtonRelease, init,

        Qt::LeftButton, Qt::LeftButton, 0);

    qApp->sendEvent(&dial, &releaseevent);

    QCOMPARE( valuespy.count(), 1); // valuechanged signal should be called at this point

}

QTEST_MAIN(tst_QDial)

#include "tst_qdial.moc"