129 lines
3.4 KiB
C++
129 lines
3.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "main.h"
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#include <QFile>
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#include <QHash>
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#include <QString>
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#include <QStringList>
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#include <QTest>
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class tst_QHash : public QObject
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{
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Q_OBJECT
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private slots:
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void qhash_qt4_data() { data(); }
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void qhash_qt4();
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void qhash_faster_data() { data(); }
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void qhash_faster();
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void javaString_data() { data(); }
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void javaString();
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private:
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void data();
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};
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///////////////////// QHash /////////////////////
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void tst_QHash::data()
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{
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QFile smallPathsData("paths_small_data.txt");
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smallPathsData.open(QIODevice::ReadOnly);
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QTest::addColumn<QStringList>("items");
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QTest::newRow("paths-small")
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<< QString::fromLatin1(smallPathsData.readAll()).split(QLatin1Char('\n'));
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}
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void tst_QHash::qhash_qt4()
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{
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QFETCH(QStringList, items);
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QStringList realitems = items; // for copy/paste ease between benchmarks
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QHash<QString, int> hash;
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QBENCHMARK {
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for (int i = 0, n = realitems.size(); i != n; ++i) {
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hash[realitems.at(i)] = i;
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}
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}
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}
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void tst_QHash::qhash_faster()
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{
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QFETCH(QStringList, items);
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QHash<String, int> hash;
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QList<String> realitems;
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foreach (const QString &s, items)
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realitems.append(s);
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QBENCHMARK {
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for (int i = 0, n = realitems.size(); i != n; ++i) {
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hash[realitems.at(i)] = i;
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}
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}
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}
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void tst_QHash::javaString()
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{
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QFETCH(QStringList, items);
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QHash<JavaString, int> hash;
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QList<JavaString> realitems;
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foreach (const QString &s, items)
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realitems.append(s);
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QBENCHMARK {
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for (int i = 0, n = realitems.size(); i != n; ++i) {
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hash[realitems.at(i)] = i;
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}
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}
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}
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QTEST_MAIN(tst_QHash)
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#include "main.moc"
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