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diff --git a/tests/benchmarks/corelib/io/qtemporaryfile/main.cpp b/tests/benchmarks/corelib/io/qtemporaryfile/main.cpp
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+++ b/tests/benchmarks/corelib/io/qtemporaryfile/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 <QIODevice>
+#include <QFile>
+#include <QString>
+#include <QTemporaryFile>
+#include <qtest.h>
+
+
+class tst_qtemporaryfile : public QObject
+{
+    Q_OBJECT
+private slots:
+    void openclose_data();
+    void openclose();
+    void readwrite_data() { openclose_data(); }
+    void readwrite();
+
+private:
+};
+
+void tst_qtemporaryfile::openclose_data()
+{
+    QTest::addColumn<qint64>("amount");
+    QTest::newRow("100")   << qint64(100);
+    QTest::newRow("1000")  << qint64(1000);
+    QTest::newRow("10000") << qint64(10000);
+}
+
+void tst_qtemporaryfile::openclose()
+{
+    QFETCH(qint64, amount);
+
+    QBENCHMARK {
+        for (qint64 i = 0; i < amount; ++i) {
+            QTemporaryFile file;
+            file.open();
+            file.close();
+        }
+    }
+}
+
+void tst_qtemporaryfile::readwrite()
+{
+    QFETCH(qint64, amount);
+
+    const int dataSize = 4096;
+    QByteArray data;
+    data.fill('a', dataSize);
+    QBENCHMARK {
+        for (qint64 i = 0; i < amount; ++i) {
+            QTemporaryFile file;
+            file.open();
+            file.write(data);
+            file.seek(0);
+            file.read(dataSize);
+            file.close();
+        }
+    }
+}
+
+QTEST_MAIN(tst_qtemporaryfile)
+
+#include "main.moc"