public void CompareToIsImplemented()
        {
            TorquePerLength newtonmeterpermeter = TorquePerLength.FromNewtonMetersPerMeter(1);

            Assert.Equal(0, newtonmeterpermeter.CompareTo(newtonmeterpermeter));
            Assert.True(newtonmeterpermeter.CompareTo(TorquePerLength.Zero) > 0);
            Assert.True(TorquePerLength.Zero.CompareTo(newtonmeterpermeter) < 0);
        }
        public void CompareToThrowsOnNull()
        {
            TorquePerLength newtonmeterpermeter = TorquePerLength.FromNewtonMetersPerMeter(1);

            Assert.Throws <ArgumentNullException>(() => newtonmeterpermeter.CompareTo(null));
        }
        public void CompareToThrowsOnTypeMismatch()
        {
            TorquePerLength newtonmeterpermeter = TorquePerLength.FromNewtonMetersPerMeter(1);

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