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Diffstat (limited to 'tests/benchmarks/corelib/tools/qmap/main.cpp')
-rw-r--r-- | tests/benchmarks/corelib/tools/qmap/main.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/tests/benchmarks/corelib/tools/qmap/main.cpp b/tests/benchmarks/corelib/tools/qmap/main.cpp new file mode 100644 index 0000000000..e68ea685a3 --- /dev/null +++ b/tests/benchmarks/corelib/tools/qmap/main.cpp @@ -0,0 +1,165 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QFile> +#include <QMap> +#include <QString> +#include <QTest> +#include <qdebug.h> + + +class tst_QMap : public QObject +{ + Q_OBJECT + +private slots: + void insertion_int_int(); + void insertion_int_string(); + void insertion_string_int(); + + void lookup_int_int(); + void lookup_int_string(); + void lookup_string_int(); + + void iteration(); +}; + + +void tst_QMap::insertion_int_int() +{ + QMap<int, int> map; + QBENCHMARK { + for (int i = 0; i < 100000; ++i) + map.insert(i, i); + } +} + +void tst_QMap::insertion_int_string() +{ + QMap<int, QString> map; + QString str("Hello World"); + QBENCHMARK { + for (int i = 0; i < 100000; ++i) + map.insert(i, str); + } +} + +void tst_QMap::insertion_string_int() +{ + QMap<QString, int> map; + QString str("Hello World"); + QBENCHMARK { + for (int i = 1; i < 100000; ++i) { + str[0] = QChar(i); + map.insert(str, i); + } + } +} + + +void tst_QMap::lookup_int_int() +{ + QMap<int, int> map; + for (int i = 0; i < 100000; ++i) + map.insert(i, i); + + int sum = 0; + QBENCHMARK { + for (int i = 0; i < 100000; ++i) + sum += map.value(i); + } +} + +void tst_QMap::lookup_int_string() +{ + QMap<int, QString> map; + QString str("Hello World"); + for (int i = 0; i < 100000; ++i) + map.insert(i, str); + + QBENCHMARK { + for (int i = 0; i < 100000; ++i) + str += map.value(i); + } +} + +void tst_QMap::lookup_string_int() +{ + QMap<QString, int> map; + QString str("Hello World"); + for (int i = 1; i < 100000; ++i) { + str[0] = QChar(i); + map.insert(str, i); + } + + int sum = 0; + QBENCHMARK { + for (int i = 1; i < 100000; ++i) { + str[0] = QChar(i); + sum += map.value(str); + } + } +} + +// iteration speed doesn't depend on the type of the map. +void tst_QMap::iteration() +{ + QMap<int, int> map; + for (int i = 0; i < 100000; ++i) + map.insert(i, i); + + int j = 0; + QBENCHMARK { + for (int i = 0; i < 100; ++i) { + QMap<int, int>::const_iterator it = map.constBegin(); + QMap<int, int>::const_iterator end = map.constEnd(); + while (it != end) { + j += *it; + ++it; + } + } + } +} + + +QTEST_MAIN(tst_QMap) + +#include "main.moc" |