diff -r 000000000000 -r 1918ee327afb tests/auto/selftests/benchlibeventcounter/tst_benchlibeventcounter.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/selftests/benchlibeventcounter/tst_benchlibeventcounter.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** 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 <QtCore>
+#include <QtTest/QtTest>
+
+/* Custom event dispatcher to ensure we don't receive any spontaneous events */
+class TestEventDispatcher : public QAbstractEventDispatcher
+{
+    Q_OBJECT
+
+public:
+    TestEventDispatcher(QObject* parent =0)
+        : QAbstractEventDispatcher(parent)
+    {}
+    void flush() {}
+    bool hasPendingEvents() { return false; }
+    void interrupt() {}
+    bool processEvents(QEventLoop::ProcessEventsFlags) { return false; }
+    void registerSocketNotifier(QSocketNotifier*) {}
+    int registerTimer(int,QObject*) { return -1; }
+    void registerTimer(int,int,QObject*) {}
+    QList<TimerInfo> registeredTimers(QObject*) const { return QList<TimerInfo>(); }
+    void unregisterSocketNotifier(QSocketNotifier*) {}
+    bool unregisterTimer(int) { return false; }
+    bool unregisterTimers(QObject*) { return false; }
+    void wakeUp() {}
+};
+
+class tst_BenchlibEventCounter: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void events();
+    void events_data();
+};
+
+void tst_BenchlibEventCounter::events()
+{
+    QFETCH(int, eventCount);
+
+    QAbstractEventDispatcher* ed = QAbstractEventDispatcher::instance();
+    QBENCHMARK {
+        for (int i = 0; i < eventCount; ++i) {
+            ed->filterEvent(0);
+        }
+    }
+}
+
+void tst_BenchlibEventCounter::events_data()
+{
+    QTest::addColumn<int>("eventCount");
+
+    QTest::newRow("0")      << 0;
+    QTest::newRow("1")      << 1;
+    QTest::newRow("10")     << 10;
+    QTest::newRow("100")    << 100;
+    QTest::newRow("500")    << 500;
+    QTest::newRow("5000")   << 5000;
+    QTest::newRow("100000") << 100000;
+}
+
+int main(int argc, char** argv)
+{
+    TestEventDispatcher dispatcher;
+    QCoreApplication app(argc, argv);
+    tst_BenchlibEventCounter test;
+    return QTest::qExec(&test, argc, argv);
+}
+
+#include "tst_benchlibeventcounter.moc"