public void RoundSmallValue()
        {
            double result = UnitHandler.Round(1.23456789012345E-16);

            Assert.AreEqual(1.2346E-16, result);
        }
        public void RoundNormalValue()
        {
            double result = UnitHandler.Round(3.141592653589793);

            Assert.AreEqual(3.1416, result);
        }
        public void RoundZero()
        {
            double result = UnitHandler.Round(0.0);

            Assert.AreEqual(0, result);
        }
        public void RoundNinesValue()
        {
            double result = UnitHandler.Round(999999999999.9998);

            Assert.AreEqual(1000000000000.0, result);
        }
        public void RoundNegativeValue()
        {
            double result = UnitHandler.Round(-3.141592653589793);

            Assert.AreEqual(-3.1416, result);
        }
        public void RoundBigValue()
        {
            double result = UnitHandler.Round(1234567890123456.0);

            Assert.AreEqual(1234600000000000.0, result);
        }