monero/tests/unit_tests/varint.cpp

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// Copyright (c) 2014-2017, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include <cstring>
#include <cstdint>
#include <cstdio>
#include <iostream>
#include <vector>
#include <boost/foreach.hpp>
#include "cryptonote_basic/cryptonote_basic.h"
#include "cryptonote_basic/cryptonote_basic_impl.h"
#include "serialization/binary_archive.h"
#include "serialization/json_archive.h"
#include "serialization/debug_archive.h"
#include "serialization/variant.h"
#include "serialization/vector.h"
#include "serialization/binary_utils.h"
#include "gtest/gtest.h"
using namespace std;
TEST(varint, equal)
{
for (uint64_t idx = 0; idx < 65537; ++idx)
{
char buf[12];
char *bufptr = buf;
tools::write_varint(bufptr, idx);
uint64_t bytes = bufptr - buf;
ASSERT_TRUE (bytes > 0 && bytes <= sizeof(buf));
uint64_t idx2;
bufptr = buf;
std::string s(buf, bytes);
int read = tools::read_varint(s.begin(), s.end(), idx2);
ASSERT_EQ (read, bytes);
ASSERT_TRUE(idx2 == idx);
}
}