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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QCoreApplication>
#include <QTest>
#include <private/cycle_p.h>
class tst_BenchlibTickCounter: public QObject
{
Q_OBJECT
private slots:
void threeBillionTicks();
};
void tst_BenchlibTickCounter::threeBillionTicks()
{
#ifndef HAVE_TICK_COUNTER
QSKIP("Tick counter not available on this platform");
#else
QBENCHMARK {
CycleCounterTicks start = getticks();
double el = 0.;
double max = el;
while (el < 3000000000.) {
/* Verify that elapsed time never decreases */
QVERIFY2(el >= max, qPrintable(
QString("Tick counter is not monotonic\nElapsed moved from %1 to %2")
.arg(max).arg(el)
));
max = el;
el = elapsed(getticks(), start);
}
}
#endif
}
int main(int argc, char *argv[])
{
std::vector<const char*> args(argv, argv + argc);
args.push_back("-tickcounter");
argc = args.size();
argv = const_cast<char**>(&args[0]);
QTEST_MAIN_IMPL(tst_BenchlibTickCounter)
}
#include "tst_benchlibtickcounter.moc"
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