qt6-bb10/src/testlib/qbenchmarkevent.cpp

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3.3 KiB
C++

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtTest module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** Public License version 3.0 as published by the Free Software Foundation
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****************************************************************************/
#include <QtTest/private/qbenchmarkevent_p.h>
#include <QtTest/private/qbenchmark_p.h>
#include <QtTest/private/qbenchmarkmetric_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;
}
QTest::QBenchmarkMetric QBenchmarkEvent::metricType()
{
return QTest::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