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** This file is part of the test suite of the Qt Toolkit.
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#include <QtCore/QElapsedTimer>
#include <QObject>
#include <qtest.h>

class tst_qqmldebugtrace : public QObject
{
    Q_OBJECT

public:
    tst_qqmldebugtrace() {}

private slots:
    void all();
    void startElapsed();
    void doubleElapsed();
    void trace();
};

void tst_qqmldebugtrace::all()
{
    QBENCHMARK {
        QElapsedTimer t;
        t.start();
        t.nsecsElapsed();
    }
}

void tst_qqmldebugtrace::startElapsed()
{
    QElapsedTimer t;
    QBENCHMARK {
        t.start();
        t.nsecsElapsed();
    }
}

void tst_qqmldebugtrace::doubleElapsed()
{
    QElapsedTimer t;
    t.start();
    QBENCHMARK {
        t.nsecsElapsed();
        t.nsecsElapsed();
    }
}

void tst_qqmldebugtrace::trace()
{
    QString s("A decent sized string of text here.");
    QBENCHMARK {
        QByteArray data;
        QDataStream ds(&data, QIODevice::WriteOnly);
        ds << (qint64)100 << (int)5 << (int)5 << s;
    }
}

QTEST_MAIN(tst_qqmldebugtrace)

#include "tst_qqmldebugtrace.moc"