diff -r 000000000000 -r 1918ee327afb tests/benchmarks/qdir/tst_qdir.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/qdir/tst_qdir.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,162 @@
+/****************************************************************************
+**
+** 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 module 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 <QtTest/QtTest>
+
+#ifdef Q_OS_WIN
+#   include <windows.h>
+#else
+#   include <sys/stat.h>
+#   include <sys/types.h>
+#   include <dirent.h>
+#   include <unistd.h>
+#endif
+
+class Test : public QObject{
+  Q_OBJECT
+public slots:
+    void initTestCase() {
+        QDir testdir = QDir::tempPath();
+
+        const QString subfolder_name = QLatin1String("test_speed");
+        QVERIFY(testdir.mkdir(subfolder_name));
+        QVERIFY(testdir.cd(subfolder_name));
+
+        for (uint i=0; i<10000; ++i) {
+            QFile file(testdir.absolutePath() + "/testfile_" + QString::number(i));
+            file.open(QIODevice::WriteOnly);
+        }
+    }
+    void cleanupTestCase() {
+        {
+            QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+
+            foreach (const QString &filename, testdir.entryList()) {
+                testdir.remove(filename);
+            }
+        }
+        const QDir temp = QDir(QDir::tempPath());
+        temp.rmdir(QLatin1String("test_speed"));
+    }
+private slots:
+    void sizeSpeed() {
+        QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+        QBENCHMARK {
+            QFileInfoList fileInfoList = testdir.entryInfoList(QDir::Files, QDir::Unsorted);
+            foreach (const QFileInfo &fileInfo, fileInfoList) {
+                fileInfo.isDir();
+                fileInfo.size();
+            }
+        }
+    }
+    void sizeSpeedWithoutFilter() {
+        QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+        QBENCHMARK {
+            QFileInfoList fileInfoList = testdir.entryInfoList(QDir::NoFilter, QDir::Unsorted);
+            foreach (const QFileInfo &fileInfo, fileInfoList) {
+                fileInfo.size();
+            }
+        }
+    }
+    void sizeSpeedWithoutFileInfoList() {
+        QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+        testdir.setSorting(QDir::Unsorted);
+        QBENCHMARK {
+            QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Unsorted);
+            foreach (const QString &filename, fileList) {
+                QFileInfo fileInfo(filename);
+                fileInfo.size();
+            }
+        }
+    }
+    void iDontWantAnyStat() {
+        QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+        testdir.setSorting(QDir::Unsorted);
+        testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden);
+        QBENCHMARK {
+            QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Unsorted);
+            foreach (const QString &filename, fileList) {
+
+            }
+        }
+    }
+
+    void testLowLevel() {
+#ifdef Q_OS_WIN
+        const wchar_t *dirpath = (wchar_t*)testdir.absolutePath().utf16();
+        wchar_t appendedPath[MAX_PATH];
+        wcscpy(appendedPath, dirpath);
+        wcscat(appendedPath, L"\\*");
+
+        WIN32_FIND_DATA fd;
+        HANDLE hSearch = FindFirstFileW(appendedPath, &fd);
+        QVERIFY(hSearch == INVALID_HANDLE_VALUE);
+
+        QBENCHMARK {
+            do {
+
+            } while (FindNextFile(hSearch, &fd));
+        }
+        FindClose(hSearch);
+#else
+        QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+        DIR *dir = opendir(qPrintable(testdir.absolutePath()));
+        QVERIFY(dir);
+
+        QVERIFY(!chdir(qPrintable(testdir.absolutePath())));
+        QBENCHMARK {
+            struct dirent *item = readdir(dir);
+            while (item) {
+                char *fileName = item->d_name;
+
+                struct stat fileStat;
+                QVERIFY(!stat(fileName, &fileStat));
+
+                item = readdir(dir);
+            }
+        }
+        closedir(dir);
+#endif
+    }
+};
+
+QTEST_MAIN(Test)
+#include "tst_qdir.moc"