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#![cfg(feature = "rand")]
extern crate num_bigint;
extern crate num_traits;
extern crate rand;
use num_bigint::RandBigInt;
use num_traits::Zero;
use rand::prelude::*;
fn test_mul_divide_torture_count(count: usize) {
let bits_max = 1 << 12;
let seed = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
let mut rng = SmallRng::from_seed(seed);
for _ in 0..count {
// Test with numbers of random sizes:
let xbits = rng.gen_range(0, bits_max);
let ybits = rng.gen_range(0, bits_max);
let x = rng.gen_biguint(xbits);
let y = rng.gen_biguint(ybits);
if x.is_zero() || y.is_zero() {
continue;
}
let prod = &x * &y;
assert_eq!(&prod / &x, y);
assert_eq!(&prod / &y, x);
}
}
#[test]
fn test_mul_divide_torture() {
test_mul_divide_torture_count(1000);
}
#[test]
#[ignore]
fn test_mul_divide_torture_long() {
test_mul_divide_torture_count(1000000);
}
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