| /**************************************************************************** |
| ** |
| ** 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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| ** GNU General Public License Usage |
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| ** 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 |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| |
| #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 |
| } |
| |
| QTEST_MAIN(tst_BenchlibCallgrind) |
| |
| #include "tst_benchlibcallgrind.moc" |