Function readAll

tests/async_log_writer_test.cpp:29–35

}

QByteArray readAll(const QString& path)
{
    QFile f(path);
    if (!f.open(QIODevice::ReadOnly))
        return {};
    return f.readAll();
}

QString writeAndRead(const QString& path, QtMsgType type, const QString& category,
                     const QString& message)