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p2wow/tests/src/hash_tests.cpp

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/*
* This file is part of the Monero P2Pool <https://github.com/SChernykh/p2pool>
* Copyright (c) 2021 SChernykh <https://github.com/SChernykh>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include "json_parsers.h"
#include <rapidjson/document.h>
#include "gtest/gtest.h"
#include <random>
#include <sstream>
namespace p2pool {
TEST(hash, constructor)
{
hash h;
uint8_t buf[HASH_SIZE]{};
ASSERT_EQ(memcmp(h.h, buf, HASH_SIZE), 0);
memset(h.h, -1, HASH_SIZE);
h = {};
ASSERT_EQ(memcmp(h.h, buf, HASH_SIZE), 0);
}
TEST(hash, compare)
{
hash hashes[HASH_SIZE + 1];
for (size_t i = 1; i <= HASH_SIZE; ++i) {
hashes[i].h[i - 1] = 1;
}
for (size_t i = 0; i <= HASH_SIZE; ++i) {
for (size_t j = 0; j <= HASH_SIZE; ++j) {
ASSERT_EQ(hashes[i] < hashes[j], i < j);
ASSERT_EQ(hashes[i] == hashes[j], i == j);
ASSERT_EQ(hashes[i] != hashes[j], i != j);
}
}
}
TEST(hash, empty)
{
hash h;
ASSERT_EQ(h.empty(), true);
for (size_t i = 0; i < HASH_SIZE; ++i) {
hash h2;
h2.h[i] = 1;
ASSERT_EQ(h2.empty(), false);
}
}
TEST(hash, input_output)
{
auto check = [](const hash& h, const char* s) {
std::stringstream ss;
ss << h;
ASSERT_EQ(ss.str(), s);
hash h2;
ss >> h2;
ASSERT_EQ(h2, h);
};
hash h;
check(h, "0000000000000000000000000000000000000000000000000000000000000000");
memset(h.h, -1, HASH_SIZE);
check(h, "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
for (uint8_t i = 0; i < HASH_SIZE; ++i) {
h.h[i] = i;
}
check(h, "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
for (uint8_t i = 0; i < HASH_SIZE; ++i) {
h.h[i] = 0xff - i;
}
check(h, "fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e0");
}
TEST(hash, json_parser)
{
auto check = [](const hash& h, const char* s) {
std::stringstream ss;
ss << "{\"hash\":\"" << s << "\"}";
using namespace rapidjson;
Document doc;
doc.Parse(ss.str().c_str());
hash h2;
parseValue(doc, "hash", h2);
ASSERT_EQ(h2, h);
};
hash h;
check(h, "0000000000000000000000000000000000000000000000000000000000000000");
memset(h.h, -1, HASH_SIZE);
check(h, "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
for (uint8_t i = 0; i < HASH_SIZE; ++i) {
h.h[i] = i;
}
check(h, "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
for (uint8_t i = 0; i < HASH_SIZE; ++i) {
h.h[i] = 0xff - i;
}
check(h, "fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0efeeedecebeae9e8e7e6e5e4e3e2e1e0");
}
}