@Test public void testLang303() throws ParseException {
  DateParser parser=getInstance(YMD_SLASH);
  final Calendar cal=Calendar.getInstance();
  cal.set(2004,Calendar.DECEMBER,31);
  final Date date=parser.parse("2004/11/31");
  parser=SerializationUtils.deserialize(SerializationUtils.serialize((Serializable)parser));
  assertEquals(date,parser.parse("2004/11/31"));
}