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Diffstat (limited to 'examples/qtestlib/tutorial5/benchmarking.cpp')
-rw-r--r-- | examples/qtestlib/tutorial5/benchmarking.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/examples/qtestlib/tutorial5/benchmarking.cpp b/examples/qtestlib/tutorial5/benchmarking.cpp new file mode 100644 index 0000000..05ca266 --- /dev/null +++ b/examples/qtestlib/tutorial5/benchmarking.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples 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 <QtGui> +#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); + } + } +} +//! [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); + } + } +} +//! [5] + +QTEST_MAIN(TestBenchmark) +#include "benchmarking.moc" |