From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/num-bigint/tests/torture.rs | 43 ++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 third_party/rust/num-bigint/tests/torture.rs (limited to 'third_party/rust/num-bigint/tests/torture.rs') diff --git a/third_party/rust/num-bigint/tests/torture.rs b/third_party/rust/num-bigint/tests/torture.rs new file mode 100644 index 0000000000..4f073d31d9 --- /dev/null +++ b/third_party/rust/num-bigint/tests/torture.rs @@ -0,0 +1,43 @@ +#![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); +} -- cgit v1.2.3