public void testMinus7() throws XPathException { DateValue d1 = new DateValue("2005-10-10"), d2 = new DateValue("2005-10-09"); DayTimeDurationValue r = (DayTimeDurationValue) d1.minus(d2); assertEquals((double) 1 * 24 * 60 * 60, r.getValue(), 0); assertEquals(1, r.getPart(DurationValue.DAY)); }