public void DoubleUtils_CompareTo3()
        {
            double?double1 = new double?(1.0);
            double?double2 = null;
            int?   result  = DoubleUtils.CompareTo(double1, double2);

            Assert.AreEqual(null, result);
        }
        public void DoubleUtils_CompareTo1()
        {
            double?double1 = new double?(1.0);
            double?double2 = new double?(1.0);
            int?   result  = DoubleUtils.CompareTo(double1, double2);

            Assert.IsNotNull(result);
            Assert.AreEqual((byte)0, (byte)result);
            Assert.AreEqual((short)0, (short)result);
            Assert.AreEqual(0, (int)result);
            Assert.AreEqual(0L, (long)result);
            Assert.AreEqual(0.0f, (float)result, 1.0f);
            Assert.AreEqual(0.0, (int)result, 1.0);
            Assert.AreEqual("0", result.Value.ToString("0", CultureInfo.InvariantCulture));
        }