public void LinuxToTimeTest()
        {
            //long l = 1526886082;
            long     l         = 1569218833000;
            DateTime timResult = ConvertClass.UnixTimestampToDateTime(l);

            Assert.AreEqual(timResult, DateTime.Now);
        }
        public void DateTimeToUnixTimestampTest()
        {
            //long l = 1526886082;
            long     l         = 1569218833000;
            DateTime timResult = ConvertClass.UnixTimestampToDateTime(l);
            long     lResult   = ConvertClass.DateTimeToUnixTimestamp(timResult);

            Assert.AreEqual(l, lResult);
            //ch01_00000000001041800
        }