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#include "QtTest/private/qbenchmarkevent_p.h"

#include "QtTest/private/qbenchmark_p.h"

#include <qdebug.h>

QT_BEGIN_NAMESPACE

QAbstractEventDispatcher::EventFilter oldEventFilter = 0;

qint64 QBenchmarkEvent::eventCounter = 0;

QBenchmarkEvent::~QBenchmarkEvent()

{

}

void QBenchmarkEvent::start()

{

    QBenchmarkEvent::eventCounter = 0;

    QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance();

    oldEventFilter = parent->setEventFilter(QBenchmarkEvent::eventCountingMechanism);

}

qint64 QBenchmarkEvent::checkpoint()

{

    return QBenchmarkEvent::eventCounter;

}

qint64 QBenchmarkEvent::stop()

{

    QAbstractEventDispatcher *parent = QAbstractEventDispatcher::instance();

    parent->setEventFilter(oldEventFilter);

    return QBenchmarkEvent::eventCounter;

}

// It's very tempting to simply reject a measurement if 0 events

// where counted, however that is a possible situation and returning

// false here will create a infinite loop. Do not change this.

bool QBenchmarkEvent::isMeasurementAccepted(qint64 measurement)

{

    Q_UNUSED(measurement);

    return true;

}

int QBenchmarkEvent::adjustIterationCount(int suggestion)

{

    return suggestion;

}

int QBenchmarkEvent::adjustMedianCount(int suggestion)

{

    Q_UNUSED(suggestion);

    return 1;

}

QString QBenchmarkEvent::unitText()

{

    return QLatin1String("events");

}

QString QBenchmarkEvent::metricText()

{

    return QLatin1String("events");

}

// This could be done in a much better way, this is just the beginning.

bool QBenchmarkEvent::eventCountingMechanism(void *message)

{

    Q_UNUSED(message);

    QBenchmarkEvent::eventCounter++;

    return false;

}

QT_END_NAMESPACE