Yiming Jing | cf21fc4 | 2021-07-16 13:23:26 -0700 | [diff] [blame] | 1 | use num_bigint::BigUint; |
Joel Galenson | 7bace41 | 2021-09-22 14:05:35 -0700 | [diff] [blame] | 2 | use num_traits::{One, ToPrimitive, Zero}; |
| 3 | |
| 4 | use std::panic::catch_unwind; |
Yiming Jing | cf21fc4 | 2021-07-16 13:23:26 -0700 | [diff] [blame] | 5 | |
| 6 | mod consts; |
| 7 | use crate::consts::*; |
| 8 | |
| 9 | #[macro_use] |
| 10 | mod macros; |
| 11 | |
| 12 | #[test] |
| 13 | fn test_scalar_add() { |
| 14 | fn check(x: &BigUint, y: &BigUint, z: &BigUint) { |
| 15 | let (x, y, z) = (x.clone(), y.clone(), z.clone()); |
| 16 | assert_unsigned_scalar_op!(x + y == z); |
| 17 | assert_unsigned_scalar_assign_op!(x += y == z); |
| 18 | } |
| 19 | |
| 20 | for elm in SUM_TRIPLES.iter() { |
| 21 | let (a_vec, b_vec, c_vec) = *elm; |
| 22 | let a = BigUint::from_slice(a_vec); |
| 23 | let b = BigUint::from_slice(b_vec); |
| 24 | let c = BigUint::from_slice(c_vec); |
| 25 | |
| 26 | check(&a, &b, &c); |
| 27 | check(&b, &a, &c); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | #[test] |
| 32 | fn test_scalar_sub() { |
| 33 | fn check(x: &BigUint, y: &BigUint, z: &BigUint) { |
| 34 | let (x, y, z) = (x.clone(), y.clone(), z.clone()); |
| 35 | assert_unsigned_scalar_op!(x - y == z); |
| 36 | assert_unsigned_scalar_assign_op!(x -= y == z); |
| 37 | } |
| 38 | |
| 39 | for elm in SUM_TRIPLES.iter() { |
| 40 | let (a_vec, b_vec, c_vec) = *elm; |
| 41 | let a = BigUint::from_slice(a_vec); |
| 42 | let b = BigUint::from_slice(b_vec); |
| 43 | let c = BigUint::from_slice(c_vec); |
| 44 | |
| 45 | check(&c, &a, &b); |
| 46 | check(&c, &b, &a); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | #[test] |
| 51 | fn test_scalar_mul() { |
| 52 | fn check(x: &BigUint, y: &BigUint, z: &BigUint) { |
| 53 | let (x, y, z) = (x.clone(), y.clone(), z.clone()); |
| 54 | assert_unsigned_scalar_op!(x * y == z); |
| 55 | assert_unsigned_scalar_assign_op!(x *= y == z); |
| 56 | } |
| 57 | |
| 58 | for elm in MUL_TRIPLES.iter() { |
| 59 | let (a_vec, b_vec, c_vec) = *elm; |
| 60 | let a = BigUint::from_slice(a_vec); |
| 61 | let b = BigUint::from_slice(b_vec); |
| 62 | let c = BigUint::from_slice(c_vec); |
| 63 | |
| 64 | check(&a, &b, &c); |
| 65 | check(&b, &a, &c); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | #[test] |
| 70 | fn test_scalar_rem_noncommutative() { |
| 71 | assert_eq!(5u8 % BigUint::from(7u8), BigUint::from(5u8)); |
| 72 | assert_eq!(BigUint::from(5u8) % 7u8, BigUint::from(5u8)); |
| 73 | } |
| 74 | |
| 75 | #[test] |
| 76 | fn test_scalar_div_rem() { |
| 77 | fn check(x: &BigUint, y: &BigUint, z: &BigUint, r: &BigUint) { |
| 78 | let (x, y, z, r) = (x.clone(), y.clone(), z.clone(), r.clone()); |
| 79 | assert_unsigned_scalar_op!(x / y == z); |
| 80 | assert_unsigned_scalar_op!(x % y == r); |
| 81 | assert_unsigned_scalar_assign_op!(x /= y == z); |
| 82 | assert_unsigned_scalar_assign_op!(x %= y == r); |
| 83 | } |
| 84 | |
| 85 | for elm in MUL_TRIPLES.iter() { |
| 86 | let (a_vec, b_vec, c_vec) = *elm; |
| 87 | let a = BigUint::from_slice(a_vec); |
| 88 | let b = BigUint::from_slice(b_vec); |
| 89 | let c = BigUint::from_slice(c_vec); |
| 90 | |
| 91 | if !a.is_zero() { |
| 92 | check(&c, &a, &b, &Zero::zero()); |
| 93 | } |
| 94 | |
| 95 | if !b.is_zero() { |
| 96 | check(&c, &b, &a, &Zero::zero()); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | for elm in DIV_REM_QUADRUPLES.iter() { |
| 101 | let (a_vec, b_vec, c_vec, d_vec) = *elm; |
| 102 | let a = BigUint::from_slice(a_vec); |
| 103 | let b = BigUint::from_slice(b_vec); |
| 104 | let c = BigUint::from_slice(c_vec); |
| 105 | let d = BigUint::from_slice(d_vec); |
| 106 | |
| 107 | if !b.is_zero() { |
| 108 | check(&a, &b, &c, &d); |
| 109 | assert_unsigned_scalar_op!(a / b == c); |
| 110 | assert_unsigned_scalar_op!(a % b == d); |
| 111 | assert_unsigned_scalar_assign_op!(a /= b == c); |
| 112 | assert_unsigned_scalar_assign_op!(a %= b == d); |
| 113 | } |
| 114 | } |
| 115 | } |
Joel Galenson | 7bace41 | 2021-09-22 14:05:35 -0700 | [diff] [blame] | 116 | |
| 117 | #[test] |
Joel Galenson | 45b2647 | 2021-10-08 16:18:49 -0700 | [diff] [blame] | 118 | #[ignore = "Android sometimes uses panic_abort"] |
Joel Galenson | 7bace41 | 2021-09-22 14:05:35 -0700 | [diff] [blame] | 119 | fn test_scalar_div_rem_zero() { |
| 120 | catch_unwind(|| BigUint::zero() / 0u32).unwrap_err(); |
| 121 | catch_unwind(|| BigUint::zero() % 0u32).unwrap_err(); |
| 122 | catch_unwind(|| BigUint::one() / 0u32).unwrap_err(); |
| 123 | catch_unwind(|| BigUint::one() % 0u32).unwrap_err(); |
| 124 | } |