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//! Volumetric power density (base unit watt per cubic meter, m⁻¹ · kg · s⁻³).

quantity! {
    /// Volumetric power density (base unit watt per cubic meter, m⁻¹ · kg · s⁻³).
    quantity: VolumetricPowerDensity; "volumetric power density";
    /// Dimension of volumetric power density, L⁻¹MT⁻³ (base unit watt per cubic meter,
    /// m⁻¹ · kg · s⁻³).
    dimension: ISQ<
        N1,     // length
        P1,     // mass
        N3,     // time
        Z0,     // electric current
        Z0,     // thermodynamic temperature
        Z0,     // amount of substance
        Z0>;    // luminous intensity
    units {
        @watt_per_cubic_meter: prefix!(none); "W/m³", "watt per cubic meter",
            "watts per cubic meter";
        @watt_per_cubic_centimeter:
            prefix!(none) / prefix!(centi) / prefix!(centi) / prefix!(centi); "W/cm³",
            "watt per cubic centimeter", "watts per cubic centimeter";
        @watt_per_cubic_millimeter:
            prefix!(none) / prefix!(milli) / prefix!(milli) / prefix!(milli); "W/mm³",
            "watt per cubic millimeter", "watts per cubic millimeter";
    }
}

#[cfg(test)]
mod tests {
    storage_types! {
        use crate::num::One;
        use crate::si::power as p;
        use crate::si::quantities::*;
        use crate::si::volumetric_power_density as vpd;
        use crate::si::volume as v;
        use crate::tests::Test;

        #[test]
        fn check_dimension() {
            let _: VolumetricPowerDensity<V> =  Power::new::<p::watt>(V::one())
                / Volume::new::<v::cubic_meter>(V::one());
        }

        #[test]
        fn check_units() {
            test::<p::watt, v::cubic_meter, vpd::watt_per_cubic_meter>();
            test::<p::watt, v::cubic_centimeter, vpd::watt_per_cubic_centimeter>();
            test::<p::watt, v::cubic_millimeter, vpd::watt_per_cubic_millimeter>();

            fn test<P: p::Conversion<V>, U: v::Conversion<V>, VPD: vpd::Conversion<V>>() {
                Test::assert_approx_eq(&VolumetricPowerDensity::new::<VPD>(V::one()),
                    &(Power::new::<P>(V::one()) / Volume::new::<U>(V::one())));
            }
        }
    }
}