diff -r 56cd8111b7f7 -r 41300fa6a67c tests/benchmarks/qfileinfo/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/qfileinfo/main.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** 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 <QDebug>
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QFileInfo>
+
+#include "private/qfsfileengine_p.h"
+
+class qfileinfo : public QObject
+{
+    Q_OBJECT
+private slots:
+    void canonicalFileNamePerformance();
+
+    void initTestCase();
+    void cleanupTestCase();
+public:
+    qfileinfo() : QObject() {};
+};
+
+void qfileinfo::initTestCase()
+{
+}
+
+void qfileinfo::cleanupTestCase()
+{
+}
+
+void qfileinfo::canonicalFileNamePerformance()
+{
+    QString appPath = QCoreApplication::applicationFilePath();
+    QFSFileEnginePrivate::canonicalized(appPath); // warmup
+    QFSFileEnginePrivate::canonicalized(appPath); // more warmup
+    QBENCHMARK {
+        for (int i = 0; i < 5000; i++) {
+            QFSFileEnginePrivate::canonicalized(appPath);
+        }
+    }
+}
+
+QTEST_MAIN(qfileinfo)
+
+#include "main.moc"