diff -r 000000000000 -r 1918ee327afb tests/benchmarks/qstringlist/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/qstringlist/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,193 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QStringList>
+#include <QtTest>
+
+#include <sstream>
+#include <string>
+#include <vector>
+
+class tst_QStringList: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void join() const;
+    void join_data() const;
+
+    void split() const;
+    void split_data() const;
+
+    void split_std() const;
+    void split_std_data() const { return split_data(); }
+
+    void split_stdw() const;
+    void split_stdw_data() const { return split_data(); }
+
+    void split_ba() const;
+    void split_ba_data() const { return split_data(); }
+
+private:
+    static QStringList populateList(const int count, const QString &unit);
+    static QString populateString(const int count, const QString &unit);
+};
+
+QStringList tst_QStringList::populateList(const int count, const QString &unit)
+{
+    QStringList retval;
+
+    for (int i = 0; i < count; ++i)
+        retval.append(unit);
+
+    return retval;
+}
+
+QString tst_QStringList::populateString(const int count, const QString &unit)
+{
+    QString retval;
+
+    for (int i = 0; i < count; ++i) {
+        retval.append(unit);
+        retval.append(QLatin1Char(':'));
+    }
+
+    return retval;
+}
+
+void tst_QStringList::join() const
+{
+    QFETCH(QStringList, input);
+    QFETCH(QString, separator);
+
+    QBENCHMARK {
+        input.join(separator);
+    }
+}
+
+void tst_QStringList::join_data() const
+{
+    QTest::addColumn<QStringList>("input");
+    QTest::addColumn<QString>("separator");
+
+    QTest::newRow("")
+        << populateList(100, QLatin1String("unit"))
+        << QString();
+
+    QTest::newRow("")
+        << populateList(1000, QLatin1String("unit"))
+        << QString();
+
+    QTest::newRow("")
+        << populateList(10000, QLatin1String("unit"))
+        << QString();
+
+    QTest::newRow("")
+        << populateList(100000, QLatin1String("unit"))
+        << QString();
+}
+
+void tst_QStringList::split() const
+{
+    QFETCH(QString, input);
+    const QChar splitChar = ':';
+
+    QBENCHMARK {
+        input.split(splitChar);
+    }
+}
+
+void tst_QStringList::split_data() const
+{
+    QTest::addColumn<QString>("input");
+    QString unit = QLatin1String("unit");
+    QTest::newRow("") << populateString(10, unit);
+    QTest::newRow("") << populateString(100, unit);
+    QTest::newRow("") << populateString(1000, unit);
+    QTest::newRow("") << populateString(10000, unit);
+}
+
+void tst_QStringList::split_std() const
+{
+    QFETCH(QString, input);
+    const char split_char = ':';
+    std::string stdinput = input.toStdString();
+
+    QBENCHMARK {
+        std::istringstream split(stdinput);
+        std::vector<std::string> token;
+        for (std::string each;
+             std::getline(split, each, split_char);
+             token.push_back(each))
+            ;
+    }
+}
+
+void tst_QStringList::split_stdw() const
+{
+    QFETCH(QString, input);
+    const wchar_t split_char = ':';
+    std::wstring stdinput = input.toStdWString();
+
+    QBENCHMARK {
+        std::wistringstream split(stdinput);
+        std::vector<std::wstring> token;
+        for (std::wstring each;
+             std::getline(split, each, split_char);
+             token.push_back(each))
+            ;
+    }
+}
+
+void tst_QStringList::split_ba() const
+{
+    QFETCH(QString, input);
+    const char splitChar = ':';
+    QByteArray ba = input.toLatin1();
+
+    QBENCHMARK {
+        ba.split(splitChar);
+    }
+}
+
+QTEST_MAIN(tst_QStringList)
+
+#include "main.moc"