@Test
 public void testInvalid() {
   final HolidayMap aHolidays = new HolidayMap();
   final Holidays config = new Holidays();
   final FixedWeekdayRelativeToFixed rule = new FixedWeekdayRelativeToFixed();
   rule.setWhich(Which.FIRST);
   rule.setWeekday(Weekday.MONDAY);
   rule.setWhen(When.BEFORE);
   final Fixed fixed = new Fixed();
   fixed.setDay(Integer.valueOf(29));
   fixed.setMonth(Month.JANUARY);
   rule.setDay(fixed);
   config.getFixedWeekdayRelativeToFixed().add(rule);
   rule.setValidTo(Integer.valueOf(2010));
   s_aParser.parse(2011, aHolidays, config);
   assertTrue("Result is not empty.", aHolidays.isEmpty());
 }
 @Test
 public void testParserSecondBefore() {
   final HolidayMap aHolidays = new HolidayMap();
   final Holidays config = new Holidays();
   final FixedWeekdayRelativeToFixed rule = new FixedWeekdayRelativeToFixed();
   rule.setWhich(Which.SECOND);
   rule.setWeekday(Weekday.MONDAY);
   rule.setWhen(When.BEFORE);
   final Fixed fixed = new Fixed();
   fixed.setDay(Integer.valueOf(29));
   fixed.setMonth(Month.JANUARY);
   rule.setDay(fixed);
   config.getFixedWeekdayRelativeToFixed().add(rule);
   s_aParser.parse(2011, aHolidays, config);
   assertEquals("Wrong number of dates.", 1, aHolidays.size());
   assertEquals(
       "Wrong date.",
       PDTFactory.createLocalDate(2011, 1, 17),
       ContainerHelper.getFirstElement(aHolidays.getAllDates()));
 }
 @Test
 public void testParserFourthAfter() {
   final HolidayMap aHolidays = new HolidayMap();
   final Holidays config = new Holidays();
   final FixedWeekdayRelativeToFixed rule = new FixedWeekdayRelativeToFixed();
   rule.setWhich(Which.FOURTH);
   rule.setWeekday(Weekday.TUESDAY);
   rule.setWhen(When.AFTER);
   final Fixed fixed = new Fixed();
   fixed.setDay(Integer.valueOf(15));
   fixed.setMonth(Month.MARCH);
   rule.setDay(fixed);
   config.getFixedWeekdayRelativeToFixed().add(rule);
   s_aParser.parse(2011, aHolidays, config);
   assertEquals("Wrong number of dates.", 1, aHolidays.size());
   assertEquals(
       "Wrong date.",
       PDTFactory.createLocalDate(2011, 4, 12),
       ContainerHelper.getFirstElement(aHolidays.getAllDates()));
 }