qt5base-lts/tests/auto/qpoint/tst_qpoint.cpp

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#include <QtTest/QtTest>

#include <qcoreapplication.h>
#include <qdebug.h>
#include <qpoint.h>

//TESTED_CLASS=
//TESTED_FILES=

class tst_QPoint : public QObject
{
Q_OBJECT

public:
    tst_QPoint();
    virtual ~tst_QPoint();

private slots:
    void getSetCheck();
    void division();

    void manhattanLength();
};

tst_QPoint::tst_QPoint()
{
}

tst_QPoint::~tst_QPoint()
{
}



void tst_QPoint::manhattanLength()
{
    {
        QPoint p(10, 20);
        QCOMPARE(p.manhattanLength(), 30);
    }
    {
        QPointF p(10., 20.);
        QCOMPARE(p.manhattanLength(), 30.);
    }
    {
        QPointF p(10.1, 20.2);
        QCOMPARE(p.manhattanLength(), 30.3);
    }
}

// Testing get/set functions
void tst_QPoint::getSetCheck()
{
    QPoint obj1;
    // int QPoint::x()
    // void QPoint::setX(int)
    obj1.setX(0);
    QCOMPARE(0, obj1.x());
    obj1.setX(INT_MIN);
    QCOMPARE(INT_MIN, obj1.x());
    obj1.setX(INT_MAX);
    QCOMPARE(INT_MAX, obj1.x());

    // int QPoint::y()
    // void QPoint::setY(int)
    obj1.setY(0);
    QCOMPARE(0, obj1.y());
    obj1.setY(INT_MIN);
    QCOMPARE(INT_MIN, obj1.y());
    obj1.setY(INT_MAX);
    QCOMPARE(INT_MAX, obj1.y());

    QPointF obj2;
    // qreal QPointF::x()
    // void QPointF::setX(qreal)
    obj2.setX(0.0);
    QCOMPARE(0.0, obj2.x());
    obj2.setX(1.1);
    QCOMPARE(1.1, obj2.x());

    // qreal QPointF::y()
    // void QPointF::setY(qreal)
    obj2.setY(0.0);
    QCOMPARE(0.0, obj2.y());
    obj2.setY(1.1);
    QCOMPARE(1.1, obj2.y());
}

static inline qreal dot(const QPointF &a, const QPointF &b)
{
    return a.x() * b.x() + a.y() * b.y();
}

void tst_QPoint::division()
{
    {
        QPointF p(1e-14, 1e-14);
        p = p / sqrt(dot(p, p));
        qFuzzyCompare(dot(p, p), 1);
    }
    {
        QPointF p(1e-14, 1e-14);
        p /= sqrt(dot(p, p));
        qFuzzyCompare(dot(p, p), 1);
    }
}

QTEST_MAIN(tst_QPoint)
#include "tst_qpoint.moc"