#include <QApplication>
#include <QDebug>
#include <QDoubleValidator>
#include <QLocale>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    Q_UNUSED(a);

    for (int i = 0; i < QLocale::LastLanguage; ++i) {
        QLocale::setDefault(QLocale::Language(i));

        QLocale locale;
        QDoubleValidator validator;
        validator.setNotation(QDoubleValidator::StandardNotation);
        validator.setDecimals(3);

        QString text = locale.toString(0.123456789, 'g', 10);
        int pos = 0;
        QValidator::State state = validator.validate(text, pos);

        QString stateText;

        switch (state) {
        case QValidator::Invalid:
            stateText = "Invalid";
            break;
        case QValidator::Intermediate:
            stateText = "Intermediate";
            break;
        case QValidator::Acceptable:
            stateText = "Acceptable";
            break;
        default:
            stateText = "Unknown";
        }

        if (state != QValidator::Invalid)
            qDebug() << locale.name() << text << stateText;
    }
    
    return 0;
}