qt5base-lts/examples/qtestlib/tutorial5/benchmarking.cpp

147 lines
4.4 KiB
C++
Raw Normal View History

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtWidgets>
#include <qtest.h>
class TestBenchmark : public QObject
{
Q_OBJECT
private slots:
void simple();
void multiple_data();
void multiple();
void series_data();
void series();
};
//! [0]
void TestBenchmark::simple()
{
QString str1 = QLatin1String("This is a test string");
QString str2 = QLatin1String("This is a test string");
QCOMPARE(str1.localeAwareCompare(str2), 0);
QBENCHMARK {
str1.localeAwareCompare(str2);
}
}
//! [0]
//! [1]
void TestBenchmark::multiple_data()
{
QTest::addColumn<bool>("useLocaleCompare");
QTest::newRow("locale aware compare") << true;
QTest::newRow("standard compare") << false;
}
//! [1]
//! [2]
void TestBenchmark::multiple()
{
QFETCH(bool, useLocaleCompare);
QString str1 = QLatin1String("This is a test string");
QString str2 = QLatin1String("This is a test string");
int result;
if (useLocaleCompare) {
QBENCHMARK {
result = str1.localeAwareCompare(str2);
}
} else {
QBENCHMARK {
result = (str1 == str2);
}
}
Remove warnings from qtbase. geometryengine.cpp: In member function 'void GeometryEngine::drawCubeGeometry(QGLShaderProgram*)': geometryengine.cpp:159:93: warning: cast to pointer from integer of different sie [-Wint-to-pointer-cast] geometryengine.cpp:167:95: warning: cast to pointer f rom integer ofdifferent size [-Wint-to-pointer-cast] benchmarking.cpp: In member function 'void TestBenchmark::multiple()': benchmarking.cpp:85:9: warning: variable 'result' set but not used [-Wunused-but-set-variable] benchmarking.cpp: In member function 'void TestBenchmark::series()': benchmarking.cpp:120:9: warning: variable 'result' set but not used [-Wunused-but-set-variable] qstandarditemmodel.cpp:2717:45: warning: unused variable 'd' [-Wunused-variable] qxcbconnection.cpp: In member function 'xcb_timestamp_t QXcbConnection::getTimestamp()': qxcbconnection.cpp:930:40: warning: suggest parentheses around assignment used as truth value [-Wparentheses] tst_qguiapplication.cpp: In constructor 'BlockableWindow::BlockableWindow()': tst_qguiapplication.cpp:340:9: warning:'BlockableWindow::enters' will be initialized after [-Wreorder] tst_qguia pplication.cpp:339:9: warning 'int BlockableWindow::leaves' [-Wreorder] tst_qguiapplication.cpp:342:12: waring: when initialized here [-Wreorder] tst_qsqltablemodel.cpp:570:10: warning: unused parameter 'value' [-Wunused-parameter] tst_qabstractitemview.cpp:1546:8: warning: unused parameter 'index' [-Wunused-parameter] Change-Id: I49c88547182e4669cfde2c2536403fc5573ca2da Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com> Reviewed-by: Olivier Goffart <ogoffart@woboq.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2012-11-20 13:57:16 +00:00
Q_UNUSED(result);
}
//! [2]
//! [3]
void TestBenchmark::series_data()
{
QTest::addColumn<bool>("useLocaleCompare");
QTest::addColumn<int>("stringSize");
for (int i = 1; i < 10000; i += 2000) {
QByteArray size = QByteArray::number(i);
QTest::newRow(("locale aware compare--" + size).constData()) << true << i;
QTest::newRow(("standard compare--" + size).constData()) << false << i;
}
}
//! [4]
//! [5]
void TestBenchmark::series()
{
QFETCH(bool, useLocaleCompare);
QFETCH(int, stringSize);
QString str1 = QString().fill('A', stringSize);
QString str2 = QString().fill('A', stringSize);
int result;
if (useLocaleCompare) {
QBENCHMARK {
result = str1.localeAwareCompare(str2);
}
} else {
QBENCHMARK {
result = (str1 == str2);
}
}
Remove warnings from qtbase. geometryengine.cpp: In member function 'void GeometryEngine::drawCubeGeometry(QGLShaderProgram*)': geometryengine.cpp:159:93: warning: cast to pointer from integer of different sie [-Wint-to-pointer-cast] geometryengine.cpp:167:95: warning: cast to pointer f rom integer ofdifferent size [-Wint-to-pointer-cast] benchmarking.cpp: In member function 'void TestBenchmark::multiple()': benchmarking.cpp:85:9: warning: variable 'result' set but not used [-Wunused-but-set-variable] benchmarking.cpp: In member function 'void TestBenchmark::series()': benchmarking.cpp:120:9: warning: variable 'result' set but not used [-Wunused-but-set-variable] qstandarditemmodel.cpp:2717:45: warning: unused variable 'd' [-Wunused-variable] qxcbconnection.cpp: In member function 'xcb_timestamp_t QXcbConnection::getTimestamp()': qxcbconnection.cpp:930:40: warning: suggest parentheses around assignment used as truth value [-Wparentheses] tst_qguiapplication.cpp: In constructor 'BlockableWindow::BlockableWindow()': tst_qguiapplication.cpp:340:9: warning:'BlockableWindow::enters' will be initialized after [-Wreorder] tst_qguia pplication.cpp:339:9: warning 'int BlockableWindow::leaves' [-Wreorder] tst_qguiapplication.cpp:342:12: waring: when initialized here [-Wreorder] tst_qsqltablemodel.cpp:570:10: warning: unused parameter 'value' [-Wunused-parameter] tst_qabstractitemview.cpp:1546:8: warning: unused parameter 'index' [-Wunused-parameter] Change-Id: I49c88547182e4669cfde2c2536403fc5573ca2da Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com> Reviewed-by: Olivier Goffart <ogoffart@woboq.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2012-11-20 13:57:16 +00:00
Q_UNUSED(result);
}
//! [5]
QTEST_MAIN(TestBenchmark)
#include "benchmarking.moc"