87ee382419
Task-number: QTBUG-21353 Change-Id: I2e2ad4b7570f80b3e6500821f769e967f0a75027 Reviewed-on: http://codereview.qt-project.org/4438 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore>
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#include <QtTest/QtTest>
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#include <private/cycle_p.h>
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class tst_BenchlibTickCounter: public QObject
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{
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Q_OBJECT
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private slots:
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void threeBillionTicks();
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};
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void tst_BenchlibTickCounter::threeBillionTicks()
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{
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#ifndef HAVE_TICK_COUNTER
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QSKIP("Tick counter not available on this platform", SkipAll);
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#else
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QBENCHMARK {
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CycleCounterTicks start = getticks();
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double el = 0.;
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double max = el;
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while (el < 3000000000.) {
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/* Verify that elapsed time never decreases */
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QVERIFY2(el >= max, qPrintable(
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QString("Tick counter is not monotonic\nElapsed moved from %1 to %2")
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.arg(max).arg(el)
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));
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max = el;
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el = elapsed(getticks(), start);
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}
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}
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#endif
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}
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QTEST_MAIN(tst_BenchlibTickCounter)
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#include "tst_benchlibtickcounter.moc"
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