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****************************************************************************/

#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"