// vim:fileencoding=utf-8:foldmethod=marker

#include "test_hasher.h"
#include "MurmurHash3.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;

	WpMur3HasherIO io = wpMur3HasherIO(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
	wpX64Mur3Hasher128(&str_bytes, (void *)&io);
	MurmurHash3_x64_128(str_bytes.data, str_bytes.count * str_bytes.item_size, io.seed, (void *)hash);

	result = result && io.hash[0] == hash[0] && io.hash[1] == hash[1];

	// Array hash
	wpX64Mur3Hasher128(&arr_bytes, (void *)&io);
	MurmurHash3_x64_128(arr_bytes.data, arr_bytes.count * arr_bytes.item_size, io.seed, (void *)hash);

	result = result && io.hash[0] == hash[0] && io.hash[1] == hash[1];

	// Number hash
	wpX64Mur3Hasher128(&num_bytes, (void *)&io);
	MurmurHash3_x64_128(num_bytes.data, num_bytes.count * num_bytes.item_size, io.seed, (void *)hash);

	result = result && io.hash[0] == hash[0] && io.hash[1] == hash[1];

	return wpTesterResult(result);
}