SYS-OSS/FRET-LibAFL
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added AflRand testcases

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This commit is contained in:
Dominik Maier 2020-10-26 03:18:33 +01:00
parent abc3eb8664
commit bbaa0829a2
1 changed files with 9 additions and 4 deletions
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13
src/utils.rs
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@ -37,7 +37,7 @@ pub trait Rand {
// Gets a value between the given lower bound (inclusive) and upper bound (inclusive) // Gets a value between the given lower bound (inclusive) and upper bound (inclusive)
fn between(&mut self, lower_bound_incl: u64, upper_bound_incl: u64) -> u64 { fn between(&mut self, lower_bound_incl: u64, upper_bound_incl: u64) -> u64 {
debug_assert!(lower_bound_incl < upper_bound_incl); debug_assert!(lower_bound_incl <= upper_bound_incl);
lower_bound_incl + self.below(upper_bound_incl - lower_bound_incl + 1) lower_bound_incl + self.below(upper_bound_incl - lower_bound_incl + 1)
} }
@ -48,7 +48,7 @@ const HASH_CONST: u64 = 0xa5b35705;
/// XXH3 Based, hopefully speedy, rnd implementation /// XXH3 Based, hopefully speedy, rnd implementation
/// ///
#[derive(Copy, Clone, Debug, Default)] #[derive(Copy, Clone, Debug, Default)]
struct AflRand { pub struct AflRand {
rand_seed: [u64; 4], rand_seed: [u64; 4],
@ -111,11 +111,16 @@ fn next_pow2(val: u64) -> u64 {
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use crate::utils::{AflRand, next_pow2}; use crate::utils::{Rand, AflRand, next_pow2};
#[test] #[test]
fn test_rand() { fn test_rand() {
//let rand: AflRand = AflRand::new(); let mut rand: AflRand = Rand::new();
assert_ne!(rand.next(), rand.next());
assert!(rand.below(100) < 100);
assert_eq!(rand.below(1), 0);
assert_eq!(rand.between(10, 10), 10);
assert!(rand.between(11, 20) > 10);
} }
#[test] #[test]