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//! Tests for `subtle` crate integration.
#![cfg(feature = "subtle")]
use hybrid_array::{Array, typenum::U3};
use subtle::{Choice, ConditionallySelectable, ConstantTimeEq};
#[test]
fn constant_time_eq() {
let a: Array<u8, U3> = Array([0, 0, 0]);
let b: Array<u8, U3> = Array([1, 2, 3]);
assert!(bool::from(a.ct_eq(&a)));
assert!(!bool::from(a.ct_ne(&a)));
assert!(!bool::from(a.ct_eq(&b)));
assert!(bool::from(a.ct_ne(&b)));
}
#[test]
fn conditional_select() {
let a: Array<u8, U3> = Array([0, 0, 0]);
let b: Array<u8, U3> = Array([1, 2, 3]);
let c = Array::conditional_select(&a, &b, Choice::from(0));
assert_eq!(a, c);
let d = Array::conditional_select(&a, &b, Choice::from(1));
assert_eq!(b, d);
}
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