public void testToLocalDateTime_wrongChronologyLocalTime() {
        LocalDate base = new LocalDate(2005, 6, 9, COPTIC_PARIS); // PARIS irrelevant
        LocalTime tod = new LocalTime(12, 13, 14, 15, BUDDHIST_PARIS); // PARIS irrelevant
        
        try {
            base.toLocalDateTime(tod);
            fail();
        } catch (IllegalArgumentException ex) {
            // expected
        }
    }