public void Bug56269() { double excelFraction = 41642.45833321759d; DateTime calNoRound = HSSFDateUtil.GetJavaCalendar(excelFraction, false); Assert.AreEqual(10, calNoRound.Hour); Assert.AreEqual(59, calNoRound.Minute); Assert.AreEqual(59, calNoRound.Second); DateTime calRound = HSSFDateUtil.GetJavaCalendar(excelFraction, false, null, true); Assert.AreEqual(11, calRound.Hour); Assert.AreEqual(0, calRound.Minute); Assert.AreEqual(0, calRound.Second); }