diff options
Diffstat (limited to 'tests/auto/selftests/benchlibtickcounter')
-rw-r--r-- | tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro | 8 | ||||
-rw-r--r-- | tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp | 80 |
2 files changed, 88 insertions, 0 deletions
diff --git a/tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro b/tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro new file mode 100644 index 0000000..3d8cbfa --- /dev/null +++ b/tests/auto/selftests/benchlibtickcounter/benchlibtickcounter.pro @@ -0,0 +1,8 @@ +load(qttest_p4) +SOURCES += tst_benchlibtickcounter.cpp +QT = core + +mac:CONFIG -= app_bundle +CONFIG -= debug_and_release_target + + diff --git a/tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp b/tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp new file mode 100644 index 0000000..6b88cb6 --- /dev/null +++ b/tests/auto/selftests/benchlibtickcounter/tst_benchlibtickcounter.cpp @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtCore> +#include <QtTest/QtTest> + +#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", SkipAll); +#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 +} + +QTEST_MAIN(tst_BenchlibTickCounter) + +#include "tst_benchlibtickcounter.moc" |