assertEquals(defaultJDateTime, Convert.toJDateTime(null, defaultJDateTime));
Date defaultDate = defaultJDateTime.convertToDate();
assertEquals(defaultDate, Convert.toDate(null, defaultDate));
Calendar defaultCalendar = defaultJDateTime.convertToCalendar();
assertEquals(defaultCalendar, Convert.toCalendar(null, defaultCalendar));
assertEquals(Boolean.TRUE, Convert.toBoolean(null, Boolean.TRUE));
assertEquals(Byte.valueOf((byte) 123), Convert.toByte(null, Byte.valueOf((byte) 123)));
assertEquals(Character.valueOf('A'), Convert.toCharacter(null, Character.valueOf('A')));