#include <chrono>
#include <QDateTime>
#include <QDebug>
#include <QStringView>
#include <QTimeZone>

int main(int argc, char *argv[])
{
    using namespace std::chrono;
    using Clock = steady_clock;

    const std::time_t testTime = 1732107915;
    const int NumSteps = 50000;

    const auto t1 = Clock::now();

    for (int64_t i = 0; i < NumSteps; ++i)
        const auto resL = QDateTime::fromSecsSinceEpoch(testTime);

    const auto t2 = Clock::now();

    for (int64_t i = 0; i < NumSteps; ++i)
    {
#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
        const auto resU = QDateTime::fromSecsSinceEpoch(testTime, Qt::UTC);
#else
        const auto resU = QDateTime::fromSecsSinceEpoch(testTime, QTimeZone::UTC);
#endif
    }

    const auto t3 = Clock::now();

    qDebug().nospace() << "LocalTime: " << duration_cast<microseconds>(t2 - t1).count();
    qDebug().nospace() << "UTC: " << duration_cast<microseconds>(t3 - t2).count();
    qDebug().nospace() << "LocalTime to UTC Ratio: " << (static_cast<qreal>((t2 - t1).count()) / (t3 - t2).count());

    return 0;
}