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add tests for the numbers

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Corwin Kuiper 2021-04-11 03:30:28 +01:00 committed by Corwin
parent e52c32ccaa
commit 52ce4fecf3
1 changed files with 19 additions and 1 deletions
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20
src/number.rs
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@ -3,7 +3,7 @@ use core::{
ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign}, ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign},
}; };
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct Num<const N: usize>(i32); pub struct Num<const N: usize>(i32);
impl<const N: usize> From<i32> for Num<N> { impl<const N: usize> From<i32> for Num<N> {
@ -104,6 +104,24 @@ impl<const N: usize> Num<N> {
} }
} }
#[test_case]
fn test_numbers(gba: &mut super::Gba) {
// test addition
let n: Num<8> = 1.into();
assert_eq!(n + 2.into(), 3.into(), "testing that 1 + 2 == 3");
// test multiplication
let n: Num<8> = 5.into();
assert_eq!(n * 3.into(), 15.into(), "testing that 5 * 3 == 15");
// test division
let n: Num<8> = 30.into();
let p: Num<8> = 3.into();
assert_eq!(n / 20.into(), p / 2.into(), "testing that 30 / 20 == 3 / 2");
assert_ne!(n, p, "testing that 30 != 3");
}
impl<const N: usize> Display for Num<N> { impl<const N: usize> Display for Num<N> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
let integral = self.0 >> N; let integral = self.0 >> N;