use core::{
fmt::Debug,
ops::{Mul, MulAssign},
};
use ibig::prelude::*;
fn test_mul<'a, T>(a: &'a T, b: &'a T, c: &'a T)
where
T: Mul<T, Output = T>,
T: Mul<&'a T, Output = T>,
&'a T: Mul<T, Output = T>,
&'a T: Mul<&'a T, Output = T>,
T: MulAssign<T>,
T: MulAssign<&'a T>,
T: Clone,
T: Debug,
T: Eq,
{
assert_eq!(a * b, *c);
assert_eq!(a.clone() * b, *c);
assert_eq!(a * b.clone(), *c);
assert_eq!(a.clone() * b.clone(), *c);
let mut x = a.clone();
x *= b;
assert_eq!(x, *c);
let mut x = a.clone();
x *= b.clone();
assert_eq!(x, *c);
}
#[test]
fn test_mul_ubig() {
let test_cases = [
(ubig!(0), ubig!(4), ubig!(0)),
(ubig!(3), ubig!(4), ubig!(12)),
(ubig!(0x123456789abc), ubig!(0x444333222111fff), ubig!(0x4daae4d8531f8de7e1fb5ae544)),
(ubig!(0), ubig!(1) << 100, ubig!(0)),
(
ubig!(1),
ubig!(_0x123456789123456789123456789123456789),
ubig!(_0x123456789123456789123456789123456789)
),
(
ubig!(0x10),
ubig!(_0x123456789123456789123456789123456789),
ubig!(_0x1234567891234567891234567891234567890)
),
(
ubig!(0x1000000000000000),
ubig!(_0x123456789123456789123456789123456789),
ubig!(_0x123456789123456789123456789123456789000000000000000)
),
(
ubig!(_0x123456789123456789123456789123456789123456789123456789),
ubig!(_0xabcdefabcdefabcdefabcdefabcdef),
ubig!(_0xc379ab6dbd40ef67e528bfffd3039491348e20491348e20491348d5ccf67db24c3a1cca8f7891375de7)
),
];
for (a, b, c) in &test_cases {
test_mul(a, b, c);
test_mul(b, a, c);
}
}
#[test]
fn test_mul_ibig() {
let test_cases = [
(ibig!(3), ibig!(4), ibig!(12)),
(ibig!(-3), ibig!(4), ibig!(-12)),
(ibig!(-3), ibig!(-4), ibig!(12)),
];
for (a, b, c) in &test_cases {
test_mul(a, b, c);
test_mul(b, a, c);
}
}