public void testFileStartDateForNmeaWithoutDate() throws Exception {
File source = new File(SAMPLE_PATH + "startdate-without-date.nmea");
Calendar startDate = Calendar.getInstance();
startDate.setTimeInMillis(source.lastModified());
ParserContext<NmeaRoute> context = new ParserContextImpl<NmeaRoute>();
new NmeaFormat().read(new FileInputStream(source), fromCalendar(startDate), context);
List<NmeaRoute> routes = context.getRoutes();
checkPositionsWithDate(routes, startDate);
}