@Test
public void testDateUtil() {
testDate(now());
testDate(today());
testDate("T", today(), 0);
testDate("N", now(), 100);
testDate("T+30", DateUtil.addDays(today(), 30, false), 0);
testDate("N+30", DateUtil.addDays(now(), 30, false), 100);
testDate("T-4", DateUtil.addDays(today(), -4, false), 0);
testDate("T-50s", new Date(today().getTime() - 50000), 0);
testDate("N-50s", new Date(now().getTime() - 50000), 100);
testDate("T-50h", new Date(today().getTime() - 50 * 60 * 60 * 1000), 0);
testDate("T-50n", new Date(today().getTime() - 50 * 60 * 1000), 0);
Date date = DateUtil.parseDate("19880302");
testDate(date.toString(), date, 0);
}