| use num_bigint::BigUint; |
| use num_traits::{One, ToPrimitive, Zero}; |
| |
| use std::panic::catch_unwind; |
| |
| mod consts; |
| use crate::consts::*; |
| |
| #[macro_use] |
| mod macros; |
| |
| #[test] |
| fn test_scalar_add() { |
| fn check(x: &BigUint, y: &BigUint, z: &BigUint) { |
| let (x, y, z) = (x.clone(), y.clone(), z.clone()); |
| assert_unsigned_scalar_op!(x + y == z); |
| assert_unsigned_scalar_assign_op!(x += y == z); |
| } |
| |
| for elm in SUM_TRIPLES.iter() { |
| let (a_vec, b_vec, c_vec) = *elm; |
| let a = BigUint::from_slice(a_vec); |
| let b = BigUint::from_slice(b_vec); |
| let c = BigUint::from_slice(c_vec); |
| |
| check(&a, &b, &c); |
| check(&b, &a, &c); |
| } |
| } |
| |
| #[test] |
| fn test_scalar_sub() { |
| fn check(x: &BigUint, y: &BigUint, z: &BigUint) { |
| let (x, y, z) = (x.clone(), y.clone(), z.clone()); |
| assert_unsigned_scalar_op!(x - y == z); |
| assert_unsigned_scalar_assign_op!(x -= y == z); |
| } |
| |
| for elm in SUM_TRIPLES.iter() { |
| let (a_vec, b_vec, c_vec) = *elm; |
| let a = BigUint::from_slice(a_vec); |
| let b = BigUint::from_slice(b_vec); |
| let c = BigUint::from_slice(c_vec); |
| |
| check(&c, &a, &b); |
| check(&c, &b, &a); |
| } |
| } |
| |
| #[test] |
| fn test_scalar_mul() { |
| fn check(x: &BigUint, y: &BigUint, z: &BigUint) { |
| let (x, y, z) = (x.clone(), y.clone(), z.clone()); |
| assert_unsigned_scalar_op!(x * y == z); |
| assert_unsigned_scalar_assign_op!(x *= y == z); |
| } |
| |
| for elm in MUL_TRIPLES.iter() { |
| let (a_vec, b_vec, c_vec) = *elm; |
| let a = BigUint::from_slice(a_vec); |
| let b = BigUint::from_slice(b_vec); |
| let c = BigUint::from_slice(c_vec); |
| |
| check(&a, &b, &c); |
| check(&b, &a, &c); |
| } |
| } |
| |
| #[test] |
| fn test_scalar_rem_noncommutative() { |
| assert_eq!(5u8 % BigUint::from(7u8), BigUint::from(5u8)); |
| assert_eq!(BigUint::from(5u8) % 7u8, BigUint::from(5u8)); |
| } |
| |
| #[test] |
| fn test_scalar_div_rem() { |
| fn check(x: &BigUint, y: &BigUint, z: &BigUint, r: &BigUint) { |
| let (x, y, z, r) = (x.clone(), y.clone(), z.clone(), r.clone()); |
| assert_unsigned_scalar_op!(x / y == z); |
| assert_unsigned_scalar_op!(x % y == r); |
| assert_unsigned_scalar_assign_op!(x /= y == z); |
| assert_unsigned_scalar_assign_op!(x %= y == r); |
| } |
| |
| for elm in MUL_TRIPLES.iter() { |
| let (a_vec, b_vec, c_vec) = *elm; |
| let a = BigUint::from_slice(a_vec); |
| let b = BigUint::from_slice(b_vec); |
| let c = BigUint::from_slice(c_vec); |
| |
| if !a.is_zero() { |
| check(&c, &a, &b, &Zero::zero()); |
| } |
| |
| if !b.is_zero() { |
| check(&c, &b, &a, &Zero::zero()); |
| } |
| } |
| |
| for elm in DIV_REM_QUADRUPLES.iter() { |
| let (a_vec, b_vec, c_vec, d_vec) = *elm; |
| let a = BigUint::from_slice(a_vec); |
| let b = BigUint::from_slice(b_vec); |
| let c = BigUint::from_slice(c_vec); |
| let d = BigUint::from_slice(d_vec); |
| |
| if !b.is_zero() { |
| check(&a, &b, &c, &d); |
| assert_unsigned_scalar_op!(a / b == c); |
| assert_unsigned_scalar_op!(a % b == d); |
| assert_unsigned_scalar_assign_op!(a /= b == c); |
| assert_unsigned_scalar_assign_op!(a %= b == d); |
| } |
| } |
| } |
| |
| #[test] |
| #[should_panic] |
| fn test_scalar_div_rem_zero() { |
| catch_unwind(|| BigUint::zero() / 0u32).unwrap_err(); |
| catch_unwind(|| BigUint::zero() % 0u32).unwrap_err(); |
| catch_unwind(|| BigUint::one() / 0u32).unwrap_err(); |
| catch_unwind(|| BigUint::one() % 0u32).unwrap_err(); |
| } |