98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
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/****************************************************************************
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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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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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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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/* This test must be explicitly enabled since there are no compile tests for valgrind.h */
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#ifdef QT_BUG236484
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#include <valgrind/valgrind.h>
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#endif
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class tst_BenchlibCallgrind: public QObject
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{
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Q_OBJECT
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private slots:
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#ifdef QT_BUG236484
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void failInChildProcess();
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#endif
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void twoHundredMillionInstructions();
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};
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#ifdef QT_BUG236484
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void tst_BenchlibCallgrind::failInChildProcess()
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{
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static double f = 1.0;
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QBENCHMARK {
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for (int i = 0; i < 1000000; ++i) {
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f *= 1.1;
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if (RUNNING_ON_VALGRIND) QFAIL("Running under valgrind!");
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}
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}
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}
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#endif
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void tst_BenchlibCallgrind::twoHundredMillionInstructions()
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{
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#if !defined(__GNUC__) || !defined(__i386)
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QSKIP("This test is only defined for gcc and x86.", SkipAll);
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#else
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QBENCHMARK {
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__asm__ __volatile__(
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"mov $100000000,%%eax \n"
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"LOOPTOP: \n"
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"dec %%eax \n"
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"jnz LOOPTOP \n"
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: /* no output */
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: /* no input */
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: /* clobber */ "eax"
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);
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}
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#endif
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}
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QTEST_MAIN(tst_BenchlibCallgrind)
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#include "tst_benchlibcallgrind.moc"
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