public void CompareToIsImplemented()
        {
            SpecificFuelConsumption gramperkilonewtonsecond = SpecificFuelConsumption.FromGramsPerKiloNewtonSecond(1);

            Assert.Equal(0, gramperkilonewtonsecond.CompareTo(gramperkilonewtonsecond));
            Assert.True(gramperkilonewtonsecond.CompareTo(SpecificFuelConsumption.Zero) > 0);
            Assert.True(SpecificFuelConsumption.Zero.CompareTo(gramperkilonewtonsecond) < 0);
        }
        public void CompareToThrowsOnNull()
        {
            SpecificFuelConsumption gramperkilonewtonsecond = SpecificFuelConsumption.FromGramsPerKiloNewtonSecond(1);

            Assert.Throws <ArgumentNullException>(() => gramperkilonewtonsecond.CompareTo(null));
        }
        public void CompareToThrowsOnTypeMismatch()
        {
            SpecificFuelConsumption gramperkilonewtonsecond = SpecificFuelConsumption.FromGramsPerKiloNewtonSecond(1);

            Assert.Throws <ArgumentException>(() => gramperkilonewtonsecond.CompareTo(new object()));
        }