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diff --git a/tests/benchmarks/corelib/io/qdiriterator/main.cpp b/tests/benchmarks/corelib/io/qdiriterator/main.cpp
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+++ b/tests/benchmarks/corelib/io/qdiriterator/main.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 <QDirIterator>
+#include <QString>
+
+#ifdef Q_OS_WIN
+#   include <windows.h>
+#   include <atlbase.h>
+#else
+#   include <sys/stat.h>
+#   include <sys/types.h>
+#   include <dirent.h>
+#   include <errno.h>
+#   include <string.h>
+#endif
+
+#include <qtest.h>
+
+#include "qfilesystemiterator.h"
+
+class tst_qdiriterator : public QObject
+{
+    Q_OBJECT
+private slots:
+    void posix();
+    void posix_data() { data(); }
+    void diriterator();
+    void diriterator_data() { data(); }
+    void fsiterator();
+    void fsiterator_data() { data(); }
+    void data();
+};
+
+
+void tst_qdiriterator::data()
+{
+#if defined(Q_OS_WINCE) || defined(Q_OS_SYMBIAN)
+    QByteArray qtdir = qPrintable(QCoreApplication::applicationDirPath());
+    qtdir += "/depot";
+#else
+#if defined(Q_OS_WIN)
+    const char *qtdir = "C:\\depot\\qt\\main";
+#else
+    const char *qtdir = ::getenv("QTDIR");
+#endif
+    if (!qtdir) {
+        fprintf(stderr, "QTDIR not set\n");
+        exit(1);
+    }
+#endif
+
+    QTest::addColumn<QByteArray>("dirpath");
+    QByteArray ba = QByteArray(qtdir) + "/src/corelib";
+    QByteArray ba1 = ba + "/io";
+    QTest::newRow(ba) << ba;
+    //QTest::newRow(ba1) << ba1;
+}
+
+#ifdef Q_OS_WIN
+static int posix_helper(const wchar_t *dirpath)
+{
+    int count = 0;
+    HANDLE hSearch;
+    WIN32_FIND_DATA fd;
+
+    const size_t origDirPathLength = wcslen(dirpath);
+
+    wchar_t appendedPath[MAX_PATH];
+    wcscpy(appendedPath, dirpath);
+    wcscat(appendedPath, L"\\*");
+    hSearch = FindFirstFile(appendedPath, &fd);
+    appendedPath[origDirPathLength] = 0;
+
+    if (hSearch == INVALID_HANDLE_VALUE) {
+        qWarning("FindFirstFile failed");
+        return count;
+    }
+
+    do {
+        if (!(fd.cFileName[0] == L'.' && fd.cFileName[1] == 0) &&
+            !(fd.cFileName[0] == L'.' && fd.cFileName[1] == L'.' && fd.cFileName[2] == 0))
+        {
+            if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
+                wcscat(appendedPath, L"\\");
+                wcscat(appendedPath, fd.cFileName);
+                count += posix_helper(appendedPath);
+                appendedPath[origDirPathLength] = 0;
+            }
+            else {
+                ++count;
+            }
+        }
+    } while (FindNextFile(hSearch, &fd));
+    FindClose(hSearch);
+
+    return count;
+}
+
+#else
+
+static int posix_helper(const char *dirpath)
+{
+    //qDebug() << "DIR" << dirpath;
+    DIR *dir = ::opendir(dirpath);
+    if (!dir)
+        return 0;
+
+    dirent *entry = 0;
+
+    int count = 0;
+    while ((entry = ::readdir(dir))) {
+        if (qstrcmp(entry->d_name, ".") == 0)
+            continue;
+        if (qstrcmp(entry->d_name, "..") == 0)
+            continue;
+        ++count;
+        QByteArray ba = dirpath;
+        ba += '/';
+        ba += entry->d_name;
+        struct stat st;
+        lstat(ba.constData(), &st);
+        if (S_ISDIR(st.st_mode))
+            count += posix_helper(ba.constData());
+    }
+
+    ::closedir(dir);
+    return count;
+}
+#endif
+
+
+void tst_qdiriterator::posix()
+{
+    QFETCH(QByteArray, dirpath);
+
+    int count = 0;
+    QString path(dirpath);
+    QBENCHMARK {
+#ifdef Q_OS_WIN
+        count = posix_helper(path.utf16());
+#else
+        count = posix_helper(dirpath.constData());
+#endif
+    }
+    qDebug() << count;
+}
+
+void tst_qdiriterator::diriterator()
+{
+    QFETCH(QByteArray, dirpath);
+
+    int count = 0;
+
+    QBENCHMARK {
+        int c = 0;
+
+        QDirIterator dir(dirpath,
+            //QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot,
+            //QDir::AllEntries | QDir::Hidden,
+            QDir::Files,
+            QDirIterator::Subdirectories);
+
+        while (dir.hasNext()) {
+            dir.next();
+            //printf("%s\n", qPrintable(dir.fileName()));
+            0 && printf("%d %s\n",
+                dir.fileInfo().isDir(),
+                //qPrintable(dir.fileInfo().absoluteFilePath()),
+                //qPrintable(dir.path()),
+                qPrintable(dir.filePath()));
+            ++c;
+        }
+        count = c;
+    }
+    qDebug() << count;
+}
+
+void tst_qdiriterator::fsiterator()
+{
+    QFETCH(QByteArray, dirpath);
+
+    int count = 0;
+    int dump = 0;
+
+    QBENCHMARK {
+        int c = 0;
+
+        dump && printf("\n\n\n\n");
+        QFileSystemIterator dir(dirpath,
+            //QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot,
+            //QDir::AllEntries | QDir::Hidden,
+            //QDir::Files | QDir::NoDotAndDotDot,
+            QDir::Files,
+            QFileSystemIterator::Subdirectories);
+
+        for (; !dir.atEnd(); dir.next()) {
+            dump && printf("%d %s\n",
+                dir.fileInfo().isDir(),
+                //qPrintable(dir.fileInfo().absoluteFilePath()),
+                //qPrintable(dir.path()),
+                qPrintable(dir.filePath())
+            );
+            ++c;
+        }
+        count = c;
+    }
+    qDebug() << count;
+}
+
+QTEST_MAIN(tst_qdiriterator)
+
+#include "main.moc"