tests/benchmarks/qvariant/tst_qvariant.cpp
author Alex Gilkes <alex.gilkes@nokia.com>
Mon, 11 Jan 2010 14:00:40 +0000
changeset 0 1918ee327afb
child 4 3b1da2848fc7
permissions -rw-r--r--
Revision: 200952

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#include <QtCore>
#include <QtGui/QPixmap>
#include <qtest.h>

#define ITERATION_COUNT 1e5

class tst_qvariant : public QObject
{
    Q_OBJECT
private slots:
    void testBound();

    void doubleVariantCreation();
    void floatVariantCreation();
    void rectVariantCreation();
    void stringVariantCreation();
    void pixmapVariantCreation();

    void doubleVariantSetValue();
    void floatVariantSetValue();
    void rectVariantSetValue();
    void stringVariantSetValue();

    void doubleVariantAssignment();
    void floatVariantAssignment();
    void rectVariantAssignment();
    void stringVariantAssignment();
};

void tst_qvariant::testBound()
{
    qreal d = qreal(.5);
    QBENCHMARK {
        for(int i = 0; i < ITERATION_COUNT; ++i) {
            d = qBound<qreal>(0, d, 1);
        }
    }
}

template <typename T>
static void variantCreation(T val)
{
    QBENCHMARK {
        for(int i = 0; i < ITERATION_COUNT; ++i) {
            QVariant v(val);
        }
    }
}

void tst_qvariant::doubleVariantCreation()
{
    variantCreation<double>(0.0);
}

void tst_qvariant::floatVariantCreation()
{
    variantCreation<float>(0.0f);
}

void tst_qvariant::rectVariantCreation()
{
    variantCreation<QRect>(QRect(1, 2, 3, 4));
}

void tst_qvariant::stringVariantCreation()
{
    variantCreation<QString>(QString());
}

void tst_qvariant::pixmapVariantCreation()
{
    variantCreation<QPixmap>(QPixmap());
}

template <typename T>
static void variantSetValue(T d)
{
    QVariant v;
    QBENCHMARK {
        for(int i = 0; i < ITERATION_COUNT; ++i) {
            qVariantSetValue(v, d);
        }
    }
}

void tst_qvariant::doubleVariantSetValue()
{
    variantSetValue<double>(0.0);
}

void tst_qvariant::floatVariantSetValue()
{
    variantSetValue<float>(0.0f);
}

void tst_qvariant::rectVariantSetValue()
{
    variantSetValue<QRect>(QRect());
}

void tst_qvariant::stringVariantSetValue()
{
    variantSetValue<QString>(QString());
}

template <typename T>
static void variantAssignment(T d)
{
    QVariant v;
    QBENCHMARK {
        for(int i = 0; i < ITERATION_COUNT; ++i) {
            v = d;
        }
    }
}

void tst_qvariant::doubleVariantAssignment()
{
    variantAssignment<double>(0.0);
}

void tst_qvariant::floatVariantAssignment()
{
    variantAssignment<float>(0.0f);
}

void tst_qvariant::rectVariantAssignment()
{
    variantAssignment<QRect>(QRect());
}

void tst_qvariant::stringVariantAssignment()
{
    variantAssignment<QString>(QString());
}

QTEST_MAIN(tst_qvariant)

#include "tst_qvariant.moc"