public void Equality_Equal()
        {
            double a_lat                  = 12.32;
            double a_long                 = 5.22;
            LocationCoordinates a         = new LocationCoordinates(a_lat, a_long);
            LocationCoordinates same_as_a = new LocationCoordinates(a_lat, a_long);

            Assert.IsTrue(a == same_as_a);
            Assert.IsTrue(a.Equals(same_as_a));
            Assert.IsFalse(a != same_as_a);
        }
        public void Equality_OneIsNull()
        {
            double a_lat          = 12.32;
            double a_long         = 5.22;
            LocationCoordinates a = new LocationCoordinates(a_lat, a_long);
            LocationCoordinates b = null;

            Assert.IsFalse(a == b);
            Assert.IsFalse(a.Equals(b));
            Assert.IsTrue(a != b);
        }