public void DateUtils_ConvertDateToString2()
        {
            DateTime?date    = null;
            string   pattern = "";
            string   result  = DateUtils.ConvertDateToString(date, pattern);

            Assert.AreEqual(null, result);
        }
        public void DateUtils_ConvertDateToString3()
        {
            DateTime?date1   = new DateTime(2013, 10, 24);
            string   pattern = "dd/MM/yyyy";
            string   result  = DateUtils.ConvertDateToString(date1, pattern);

            Assert.AreEqual("24/10/2013", result);
        }
        public void DateUtils_ConvertDateToString1()
        {
            DateTime?date    = new DateTime();
            string   pattern = "";
            string   result  = DateUtils.ConvertDateToString(date, pattern);

            Assert.AreEqual("01/01/0001 00:00:00", result);
        }