Add implementation for siphash

tests/hasher/test_hasher.cc

@@ -2,6 +2,7 @@
 
 #include "test_hasher.h"
 #include "MurmurHash3.h"
+#include "siphash.h"
 #include "wapp.h"
 
 WpTestFuncResult test_murmur3(void) {
@@ -39,3 +40,83 @@ WpTestFuncResult test_murmur3(void) {
 
 	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 };
+	WpSipHasher128IO io = wpSip24Hasher128IO(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
+	wpSipHasher128(&str_bytes, (void *)&io);
+	siphash((void *)str_bytes.data, str_bytes.count * str_bytes.item_size, (void *)&io.params.key,
+	        (u8 *)hash, sizeof(u64) * 2);
+
+	result = result && io.hash[0] == hash[0] && io.hash[1] == hash[1];
+
+	// Array hash
+	wpSipHasher128(&arr_bytes, (void *)&io);
+	siphash((void *)arr_bytes.data, arr_bytes.count * arr_bytes.item_size, (void *)&io.params.key,
+	        (u8 *)hash, sizeof(u64) * 2);
+
+	result = result && io.hash[0] == hash[0] && io.hash[1] == hash[1];
+
+	// Number hash
+	wpSipHasher128(&num_bytes, (void *)&io);
+	siphash((void *)num_bytes.data, num_bytes.count * num_bytes.item_size, (void *)&io.params.key,
+	        (u8 *)hash, sizeof(u64) * 2);
+
+	result = result && io.hash[0] == hash[0] && io.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 };
+	WpSipHasher64IO io = wpSip24Hasher64IO(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
+	wpSipHasher64(&str_bytes, (void *)&io);
+	siphash((void *)str_bytes.data, str_bytes.count * str_bytes.item_size, (void *)&io.params.key,
+	        (u8 *)&hash, sizeof(u64));
+
+	result = result && io.hash == hash;
+
+	// Array hash
+	wpSipHasher64(&arr_bytes, (void *)&io);
+	siphash((void *)arr_bytes.data, arr_bytes.count * arr_bytes.item_size, (void *)&io.params.key,
+	        (u8 *)&hash, sizeof(u64));
+
+	result = result && io.hash == hash;
+
+	// Number hash
+	wpSipHasher64(&num_bytes, (void *)&io);
+	siphash((void *)num_bytes.data, num_bytes.count * num_bytes.item_size, (void *)&io.params.key,
+	        (u8 *)&hash, sizeof(u64));
+
+	result = result && io.hash == hash;
+
+	return wpTesterResult(result);
+}