qt5base-lts/tests/auto/testlib/selftests/benchlibcallgrind/tst_benchlibcallgrind.cpp
Tor Arne Vestbø 8237e39f5d testlib: Move subtest argument handling to individual tests
The test orchestrator shouldn't have to deal with the individual options
needed for each test.

Change-Id: I78bbf4850cc649e625bd08a7aedf02267ba1314d
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2020-02-06 23:43:05 +01:00

93 lines
2.6 KiB
C++

/****************************************************************************
**
** 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
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** accordance with the commercial license agreement provided with the
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**
** 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
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****************************************************************************/
#include <QtCore/QCoreApplication>
#include <QtTest/QtTest>
/* This test must be explicitly enabled since there are no compile tests for valgrind.h */
#ifdef QT_BUG236484
#include <valgrind/valgrind.h>
#endif
class tst_BenchlibCallgrind: public QObject
{
Q_OBJECT
private slots:
#ifdef QT_BUG236484
void failInChildProcess();
#endif
void twoHundredMillionInstructions();
};
#ifdef QT_BUG236484
void tst_BenchlibCallgrind::failInChildProcess()
{
static double f = 1.0;
QBENCHMARK {
for (int i = 0; i < 1000000; ++i) {
f *= 1.1;
if (RUNNING_ON_VALGRIND) QFAIL("Running under valgrind!");
}
}
}
#endif
void tst_BenchlibCallgrind::twoHundredMillionInstructions()
{
#if !defined(__GNUC__) || !defined(__i386)
QSKIP("This test is only defined for gcc and x86.");
#else
QBENCHMARK {
__asm__ __volatile__(
"mov $100000000,%%eax \n"
"1: \n"
"dec %%eax \n"
"jnz 1b \n"
: /* no output */
: /* no input */
: /* clobber */ "eax"
);
}
#endif
}
int main(int argc, char *argv[])
{
std::vector<const char*> args(argv, argv + argc);
args.push_back("-callgrind");
argc = args.size();
argv = const_cast<char**>(&args[0]);
QTEST_MAIN_IMPL(tst_BenchlibCallgrind)
}
#include "tst_benchlibcallgrind.moc"