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// Copyright (c) 2012-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <streams.h>
#include <support/allocators/zeroafterfree.h>
#include <test/setup_common.h>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(streams_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(streams_vector_writer)
{
unsigned char a(1);
unsigned char b(2);
unsigned char bytes[] = { 3, 4, 5, 6 };
std::vector<unsigned char> vch;
// Each test runs twice. Serializing a second time at the same starting
// point should yield the same results, even if the first test grew the
// vector.
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 0, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{1, 2}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 0, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{1, 2}}));
vch.clear();
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 2, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 1, 2}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 2, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 1, 2}}));
vch.clear();
vch.resize(5, 0);
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 2, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 1, 2, 0}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 2, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 1, 2, 0}}));
vch.clear();
vch.resize(4, 0);
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 3, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 0, 1, 2}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 3, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 0, 1, 2}}));
vch.clear();
vch.resize(4, 0);
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 4, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 0, 0, 1, 2}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 4, a, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{0, 0, 0, 0, 1, 2}}));
vch.clear();
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 0, bytes);
BOOST_CHECK((vch == std::vector<unsigned char>{{3, 4, 5, 6}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 0, bytes);
BOOST_CHECK((vch == std::vector<unsigned char>{{3, 4, 5, 6}}));
vch.clear();
vch.resize(4, 8);
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 2, a, bytes, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{8, 8, 1, 3, 4, 5, 6, 2}}));
CVectorWriter(SER_NETWORK, INIT_PROTO_VERSION, vch, 2, a, bytes, b);
BOOST_CHECK((vch == std::vector<unsigned char>{{8, 8, 1, 3, 4, 5, 6, 2}}));
vch.clear();
}
BOOST_AUTO_TEST_CASE(streams_vector_reader)
{
std::vector<unsigned char> vch = {1, 255, 3, 4, 5, 6};
VectorReader reader(SER_NETWORK, INIT_PROTO_VERSION, vch, 0);
BOOST_CHECK_EQUAL(reader.size(), 6);
BOOST_CHECK(!reader.empty());
// Read a single byte as an unsigned char.
unsigned char a;
reader >> a;
BOOST_CHECK_EQUAL(a, 1);
BOOST_CHECK_EQUAL(reader.size(), 5);
BOOST_CHECK(!reader.empty());
// Read a single byte as a signed char.
signed char b;
reader >> b;
BOOST_CHECK_EQUAL(b, -1);
BOOST_CHECK_EQUAL(reader.size(), 4);
BOOST_CHECK(!reader.empty());
// Read a 4 bytes as an unsigned int.
unsigned int c;
reader >> c;
BOOST_CHECK_EQUAL(c, 100992003); // 3,4,5,6 in little-endian base-256
BOOST_CHECK_EQUAL(reader.size(), 0);
BOOST_CHECK(reader.empty());
// Reading after end of byte vector throws an error.
signed int d;
BOOST_CHECK_THROW(reader >> d, std::ios_base::failure);
// Read a 4 bytes as a signed int from the beginning of the buffer.
VectorReader new_reader(SER_NETWORK, INIT_PROTO_VERSION, vch, 0);
new_reader >> d;
BOOST_CHECK_EQUAL(d, 67370753); // 1,255,3,4 in little-endian base-256
BOOST_CHECK_EQUAL(new_reader.size(), 2);
BOOST_CHECK(!new_reader.empty());
// Reading after end of byte vector throws an error even if the reader is
// not totally empty.
BOOST_CHECK_THROW(new_reader >> d, std::ios_base::failure);
}
BOOST_AUTO_TEST_CASE(bitstream_reader_writer)
{
CDataStream data(SER_NETWORK, INIT_PROTO_VERSION);
BitStreamWriter<CDataStream> bit_writer(data);
bit_writer.Write(0, 1);
bit_writer.Write(2, 2);
bit_writer.Write(6, 3);
bit_writer.Write(11, 4);
bit_writer.Write(1, 5);
bit_writer.Write(32, 6);
bit_writer.Write(7, 7);
bit_writer.Write(30497, 16);
bit_writer.Flush();
CDataStream data_copy(data);
uint32_t serialized_int1;
data >> serialized_int1;
BOOST_CHECK_EQUAL(serialized_int1, (uint32_t)0x7700C35A); // NOTE: Serialized as LE
uint16_t serialized_int2;
data >> serialized_int2;
BOOST_CHECK_EQUAL(serialized_int2, (uint16_t)0x1072); // NOTE: Serialized as LE
BitStreamReader<CDataStream> bit_reader(data_copy);
BOOST_CHECK_EQUAL(bit_reader.Read(1), 0);
BOOST_CHECK_EQUAL(bit_reader.Read(2), 2);
BOOST_CHECK_EQUAL(bit_reader.Read(3), 6);
BOOST_CHECK_EQUAL(bit_reader.Read(4), 11);
BOOST_CHECK_EQUAL(bit_reader.Read(5), 1);
BOOST_CHECK_EQUAL(bit_reader.Read(6), 32);
BOOST_CHECK_EQUAL(bit_reader.Read(7), 7);
BOOST_CHECK_EQUAL(bit_reader.Read(16), 30497);
BOOST_CHECK_THROW(bit_reader.Read(8), std::ios_base::failure);
}
BOOST_AUTO_TEST_CASE(streams_serializedata_xor)
{
std::vector<char> in;
std::vector<char> expected_xor;
std::vector<unsigned char> key;
CDataStream ds(in, 0, 0);
// Degenerate case
key.push_back('\x00');
key.push_back('\x00');
ds.Xor(key);
BOOST_CHECK_EQUAL(
std::string(expected_xor.begin(), expected_xor.end()),
std::string(ds.begin(), ds.end()));
in.push_back('\x0f');
in.push_back('\xf0');
expected_xor.push_back('\xf0');
expected_xor.push_back('\x0f');
// Single character key
ds.clear();
ds.insert(ds.begin(), in.begin(), in.end());
key.clear();
key.push_back('\xff');
ds.Xor(key);
BOOST_CHECK_EQUAL(
std::string(expected_xor.begin(), expected_xor.end()),
std::string(ds.begin(), ds.end()));
// Multi character key
in.clear();
expected_xor.clear();
in.push_back('\xf0');
in.push_back('\x0f');
expected_xor.push_back('\x0f');
expected_xor.push_back('\x00');
ds.clear();
ds.insert(ds.begin(), in.begin(), in.end());
key.clear();
key.push_back('\xff');
key.push_back('\x0f');
ds.Xor(key);
BOOST_CHECK_EQUAL(
std::string(expected_xor.begin(), expected_xor.end()),
std::string(ds.begin(), ds.end()));
}
BOOST_AUTO_TEST_SUITE_END()
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