public void EqualsReturnsFalseOnNull()
        {
            AbsorbedDose gray = AbsorbedDose.FromGrays(1);

            Assert.False(gray.Equals(null));
        }
        public void EqualsReturnsFalseOnTypeMismatch()
        {
            AbsorbedDose gray = AbsorbedDose.FromGrays(1);

            Assert.False(gray.Equals(new object()));
        }