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use ahash::{AHasher, CallHasher, RandomState};
use std::hash::BuildHasher;
#[macro_use]
extern crate no_panic;
#[inline(never)]
#[no_panic]
fn hash_test_final(num: i32, string: &str) -> (u64, u64) {
use core::hash::Hasher;
let mut hasher1 = AHasher::new_with_keys(1, 2);
let mut hasher2 = AHasher::new_with_keys(3, 4);
hasher1.write_i32(num);
hasher2.write(string.as_bytes());
(hasher1.finish(), hasher2.finish())
}
#[inline(never)]
fn hash_test_final_wrapper(num: i32, string: &str) {
hash_test_final(num, string);
}
struct SimpleBuildHasher {
hasher: AHasher,
}
impl BuildHasher for SimpleBuildHasher {
type Hasher = AHasher;
fn build_hasher(&self) -> Self::Hasher {
self.hasher.clone()
}
}
#[inline(never)]
#[no_panic]
fn hash_test_specialize(num: i32, string: &str) -> (u64, u64) {
let hasher1 = AHasher::new_with_keys(1, 2);
let hasher2 = AHasher::new_with_keys(1, 2);
(
i32::get_hash(&num, &SimpleBuildHasher { hasher: hasher1 }),
<[u8]>::get_hash(string.as_bytes(), &SimpleBuildHasher { hasher: hasher2 }),
)
}
#[inline(never)]
fn hash_test_random_wrapper(num: i32, string: &str) {
hash_test_specialize(num, string);
}
#[inline(never)]
#[no_panic]
fn hash_test_random(num: i32, string: &str) -> (u64, u64) {
let build_hasher1 = RandomState::with_seeds(1, 2, 3, 4);
let build_hasher2 = RandomState::with_seeds(1, 2, 3, 4);
(
i32::get_hash(&num, &build_hasher1),
<[u8]>::get_hash(string.as_bytes(), &build_hasher2),
)
}
#[inline(never)]
fn hash_test_specialize_wrapper(num: i32, string: &str) {
hash_test_specialize(num, string);
}
#[test]
fn test_no_panic() {
hash_test_final_wrapper(2, "Foo");
hash_test_specialize_wrapper(2, "Bar");
hash_test_random_wrapper(2, "Baz");
}
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