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wizapp-stdlib/tests/hasher/test_hasher.cc
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abdelrahman f3a8045ecc
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Update hasher
2026-09-13 00:20:18 +01:00

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// vim:fileencoding=utf-8:foldmethod=marker
#include "test_hasher.h"
#include "MurmurHash3.h"
#include "siphash.h"
#include "wapp.h"
WpTestFuncResult test_murmur3(void) {
b8 result = true;
WpStr8 str = wpStr8Lit("Hello world");
WpI32Array arr = wpArray(i32, 1, 2, 3, 4, 5);
u64 num = 287324;
WpMur3HasherData data = wpMur3HasherData(873923);
WpU8Stream str_bytes = wpStream(u8, str.buf, str.size);
WpU8Stream arr_bytes = wpStream(u8, (u8 *)arr, wpArrayCount(arr) * wpArrayItemSize(arr));
WpU8Stream num_bytes = wpStream(u8, (u8 *)&num, sizeof(u64));
u64 hash[2] = {0};
// Sring hash
WpU128Hash mur_hash = wpX64Mur3Hasher128(&str_bytes, (void *)&data);
MurmurHash3_x64_128(str_bytes.data, str_bytes.count * str_bytes.item_size, data.seed, (void *)hash);
result = result && mur_hash.hash[0] == hash[0] && mur_hash.hash[1] == hash[1];
// Array hash
mur_hash = wpX64Mur3Hasher128(&arr_bytes, (void *)&data);
MurmurHash3_x64_128(arr_bytes.data, arr_bytes.count * arr_bytes.item_size, data.seed, (void *)hash);
result = result && mur_hash.hash[0] == hash[0] && mur_hash.hash[1] == hash[1];
// Number hash
mur_hash = wpX64Mur3Hasher128(&num_bytes, (void *)&data);
MurmurHash3_x64_128(num_bytes.data, num_bytes.count * num_bytes.item_size, data.seed, (void *)hash);
result = result && mur_hash.hash[0] == hash[0] && mur_hash.hash[1] == hash[1];
return wpTesterResult(result);
}
WpTestFuncResult test_siphash_128(void) {
b8 result = true;
WpStr8 str = wpStr8Lit("Hello world");
WpI32Array arr = wpArray(i32, 1, 2, 3, 4, 5);
u64 num = 287324;
WpSipHasherKey key = { 238742, 671734 };
WpSipHasherData data = wpSip24HasherData(key);
WpU8Stream str_bytes = wpStream(u8, str.buf, str.size);
WpU8Stream arr_bytes = wpStream(u8, (u8 *)arr, wpArrayCount(arr) * wpArrayItemSize(arr));
WpU8Stream num_bytes = wpStream(u8, (u8 *)&num, sizeof(u64));
u64 hash[2] = {0};
// Sring hash
WpU128Hash sip_hash = wpSipHasher128(&str_bytes, (void *)&data);
siphash(str_bytes.data, str_bytes.count * str_bytes.item_size, (void *)&data.key,
(u8 *)hash, sizeof(u64) * 2);
result = result && sip_hash.hash[0] == hash[0] && sip_hash.hash[1] == hash[1];
// Array hash
sip_hash = wpSipHasher128(&arr_bytes, (void *)&data);
siphash(arr_bytes.data, arr_bytes.count * arr_bytes.item_size, (void *)&data.key,
(u8 *)hash, sizeof(u64) * 2);
result = result && sip_hash.hash[0] == hash[0] && sip_hash.hash[1] == hash[1];
// Number hash
sip_hash = wpSipHasher128(&num_bytes, (void *)&data);
siphash(num_bytes.data, num_bytes.count * num_bytes.item_size, (void *)&data.key,
(u8 *)hash, sizeof(u64) * 2);
result = result && sip_hash.hash[0] == hash[0] && sip_hash.hash[1] == hash[1];
return wpTesterResult(result);
}
WpTestFuncResult test_siphash_64(void) {
b8 result = true;
WpStr8 str = wpStr8Lit("Hello world");
WpI32Array arr = wpArray(i32, 1, 2, 3, 4, 5);
u64 num = 287324;
WpSipHasherKey key = { 238742, 671734 };
WpSipHasherData data = wpSip24HasherData(key);
WpU8Stream str_bytes = wpStream(u8, str.buf, str.size);
WpU8Stream arr_bytes = wpStream(u8, (u8 *)arr, wpArrayCount(arr) * wpArrayItemSize(arr));
WpU8Stream num_bytes = wpStream(u8, (u8 *)&num, sizeof(u64));
u64 hash = {0};
// Sring hash
u64 sip_hash = wpSipHasher64(&str_bytes, (void *)&data);
siphash(str_bytes.data, str_bytes.count * str_bytes.item_size, (void *)&data.key,
(u8 *)&hash, sizeof(u64));
result = result && sip_hash == hash;
// Array hash
sip_hash = wpSipHasher64(&arr_bytes, (void *)&data);
siphash(arr_bytes.data, arr_bytes.count * arr_bytes.item_size, (void *)&data.key,
(u8 *)&hash, sizeof(u64));
result = result && sip_hash == hash;
// Number hash
sip_hash = wpSipHasher64(&num_bytes, (void *)&data);
siphash(num_bytes.data, num_bytes.count * num_bytes.item_size, (void *)&data.key,
(u8 *)&hash, sizeof(u64));
result = result && sip_hash == hash;
return wpTesterResult(result);
}