use crate::Temp;
use std::ops::Div;
impl Div for Temp {
type Output = Temp;
fn div(self, rhs: Self) -> Self::Output {
match self {
Self::C(val) => {
let target: f32 = rhs.as_c().into();
Self::C(val / target).round()
}
Self::F(val) => {
let target: f32 = rhs.as_f().into();
Self::F(val / target).round()
}
Self::K(val) => {
let target: f32 = rhs.as_k().into();
Self::K(val / target).round()
}
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn should_div_from_c() {
let cc = Temp::C(10.) / Temp::C(2.);
let cf = Temp::C(10.) / Temp::F(35.6);
let ck = Temp::C(10.) / Temp::K(275.15);
assert_eq!(cc, Temp::C(5.));
assert_eq!(cf, Temp::C(5.));
assert_eq!(ck, Temp::C(5.));
}
#[test]
fn should_div_from_f() {
let ff = Temp::F(2.) / Temp::F(32.);
let fc = Temp::F(2.) / Temp::C(0.);
let fk = Temp::F(2.) / Temp::K(273.15);
assert_eq!(ff, Temp::F(0.063));
assert_eq!(fc, Temp::F(0.063));
assert_eq!(fk, Temp::F(0.063));
}
#[test]
fn should_div_from_k() {
let kk = Temp::K(15.) / Temp::K(273.15);
let kc = Temp::K(15.) / Temp::C(0.);
let kf = Temp::K(15.) / Temp::F(32.);
assert_eq!(kk, Temp::K(0.055));
assert_eq!(kf, Temp::K(0.055));
assert_eq!(kc, Temp::K(0.055));
}
}