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// Copyright (c) 2012-2022 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 <hash.h>
#include <serialize.h>
#include <streams.h>
#include <test/util/setup_common.h>
#include <util/strencodings.h>
#include <stdint.h>
#include <string>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(serialize_tests, BasicTestingSetup)
class CSerializeMethodsTestSingle
{
protected:
int intval;
bool boolval;
std::string stringval;
char charstrval[16];
CTransactionRef txval;
public:
CSerializeMethodsTestSingle() = default;
CSerializeMethodsTestSingle(int intvalin, bool boolvalin, std::string stringvalin, const uint8_t* charstrvalin, const CTransactionRef& txvalin) : intval(intvalin), boolval(boolvalin), stringval(std::move(stringvalin)), txval(txvalin)
{
memcpy(charstrval, charstrvalin, sizeof(charstrval));
}
SERIALIZE_METHODS(CSerializeMethodsTestSingle, obj)
{
READWRITE(obj.intval);
READWRITE(obj.boolval);
READWRITE(obj.stringval);
READWRITE(obj.charstrval);
READWRITE(TX_WITH_WITNESS(obj.txval));
}
bool operator==(const CSerializeMethodsTestSingle& rhs) const
{
return intval == rhs.intval &&
boolval == rhs.boolval &&
stringval == rhs.stringval &&
strcmp(charstrval, rhs.charstrval) == 0 &&
*txval == *rhs.txval;
}
};
class CSerializeMethodsTestMany : public CSerializeMethodsTestSingle
{
public:
using CSerializeMethodsTestSingle::CSerializeMethodsTestSingle;
SERIALIZE_METHODS(CSerializeMethodsTestMany, obj)
{
READWRITE(obj.intval, obj.boolval, obj.stringval, obj.charstrval, TX_WITH_WITNESS(obj.txval));
}
};
BOOST_AUTO_TEST_CASE(sizes)
{
BOOST_CHECK_EQUAL(sizeof(unsigned char), GetSerializeSize((unsigned char)0, 0));
BOOST_CHECK_EQUAL(sizeof(int8_t), GetSerializeSize(int8_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(uint8_t), GetSerializeSize(uint8_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(int16_t), GetSerializeSize(int16_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(uint16_t), GetSerializeSize(uint16_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(int32_t), GetSerializeSize(int32_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(uint32_t), GetSerializeSize(uint32_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(int64_t), GetSerializeSize(int64_t(0), 0));
BOOST_CHECK_EQUAL(sizeof(uint64_t), GetSerializeSize(uint64_t(0), 0));
// Bool is serialized as uint8_t
BOOST_CHECK_EQUAL(sizeof(uint8_t), GetSerializeSize(bool(0), 0));
// Sanity-check GetSerializeSize and c++ type matching
BOOST_CHECK_EQUAL(GetSerializeSize((unsigned char)0, 0), 1U);
BOOST_CHECK_EQUAL(GetSerializeSize(int8_t(0), 0), 1U);
BOOST_CHECK_EQUAL(GetSerializeSize(uint8_t(0), 0), 1U);
BOOST_CHECK_EQUAL(GetSerializeSize(int16_t(0), 0), 2U);
BOOST_CHECK_EQUAL(GetSerializeSize(uint16_t(0), 0), 2U);
BOOST_CHECK_EQUAL(GetSerializeSize(int32_t(0), 0), 4U);
BOOST_CHECK_EQUAL(GetSerializeSize(uint32_t(0), 0), 4U);
BOOST_CHECK_EQUAL(GetSerializeSize(int64_t(0), 0), 8U);
BOOST_CHECK_EQUAL(GetSerializeSize(uint64_t(0), 0), 8U);
BOOST_CHECK_EQUAL(GetSerializeSize(bool(0), 0), 1U);
}
BOOST_AUTO_TEST_CASE(varints)
{
// encode
DataStream ss{};
DataStream::size_type size = 0;
for (int i = 0; i < 100000; i++) {
ss << VARINT_MODE(i, VarIntMode::NONNEGATIVE_SIGNED);
size += ::GetSerializeSize(VARINT_MODE(i, VarIntMode::NONNEGATIVE_SIGNED), 0);
BOOST_CHECK(size == ss.size());
}
for (uint64_t i = 0; i < 100000000000ULL; i += 999999937) {
ss << VARINT(i);
size += ::GetSerializeSize(VARINT(i), 0);
BOOST_CHECK(size == ss.size());
}
// decode
for (int i = 0; i < 100000; i++) {
int j = -1;
ss >> VARINT_MODE(j, VarIntMode::NONNEGATIVE_SIGNED);
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
for (uint64_t i = 0; i < 100000000000ULL; i += 999999937) {
uint64_t j = std::numeric_limits<uint64_t>::max();
ss >> VARINT(j);
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
}
BOOST_AUTO_TEST_CASE(varints_bitpatterns)
{
DataStream ss{};
ss << VARINT_MODE(0, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "00"); ss.clear();
ss << VARINT_MODE(0x7f, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "7f"); ss.clear();
ss << VARINT_MODE(int8_t{0x7f}, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "7f"); ss.clear();
ss << VARINT_MODE(0x80, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "8000"); ss.clear();
ss << VARINT(uint8_t{0x80}); BOOST_CHECK_EQUAL(HexStr(ss), "8000"); ss.clear();
ss << VARINT_MODE(0x1234, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "a334"); ss.clear();
ss << VARINT_MODE(int16_t{0x1234}, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "a334"); ss.clear();
ss << VARINT_MODE(0xffff, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "82fe7f"); ss.clear();
ss << VARINT(uint16_t{0xffff}); BOOST_CHECK_EQUAL(HexStr(ss), "82fe7f"); ss.clear();
ss << VARINT_MODE(0x123456, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "c7e756"); ss.clear();
ss << VARINT_MODE(int32_t{0x123456}, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "c7e756"); ss.clear();
ss << VARINT(0x80123456U); BOOST_CHECK_EQUAL(HexStr(ss), "86ffc7e756"); ss.clear();
ss << VARINT(uint32_t{0x80123456U}); BOOST_CHECK_EQUAL(HexStr(ss), "86ffc7e756"); ss.clear();
ss << VARINT(0xffffffff); BOOST_CHECK_EQUAL(HexStr(ss), "8efefefe7f"); ss.clear();
ss << VARINT_MODE(0x7fffffffffffffffLL, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "fefefefefefefefe7f"); ss.clear();
ss << VARINT(0xffffffffffffffffULL); BOOST_CHECK_EQUAL(HexStr(ss), "80fefefefefefefefe7f"); ss.clear();
}
BOOST_AUTO_TEST_CASE(compactsize)
{
DataStream ss{};
std::vector<char>::size_type i, j;
for (i = 1; i <= MAX_SIZE; i *= 2)
{
WriteCompactSize(ss, i-1);
WriteCompactSize(ss, i);
}
for (i = 1; i <= MAX_SIZE; i *= 2)
{
j = ReadCompactSize(ss);
BOOST_CHECK_MESSAGE((i-1) == j, "decoded:" << j << " expected:" << (i-1));
j = ReadCompactSize(ss);
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
}
static bool isCanonicalException(const std::ios_base::failure& ex)
{
std::ios_base::failure expectedException("non-canonical ReadCompactSize()");
// The string returned by what() can be different for different platforms.
// Instead of directly comparing the ex.what() with an expected string,
// create an instance of exception to see if ex.what() matches
// the expected explanatory string returned by the exception instance.
return strcmp(expectedException.what(), ex.what()) == 0;
}
BOOST_AUTO_TEST_CASE(vector_bool)
{
std::vector<uint8_t> vec1{1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1};
std::vector<bool> vec2{1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1};
BOOST_CHECK(vec1 == std::vector<uint8_t>(vec2.begin(), vec2.end()));
BOOST_CHECK((HashWriter{} << vec1).GetHash() == (HashWriter{} << vec2).GetHash());
}
BOOST_AUTO_TEST_CASE(noncanonical)
{
// Write some non-canonical CompactSize encodings, and
// make sure an exception is thrown when read back.
DataStream ss{};
std::vector<char>::size_type n;
// zero encoded with three bytes:
ss << Span{"\xfd\x00\x00"}.first(3);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0xfc encoded with three bytes:
ss << Span{"\xfd\xfc\x00"}.first(3);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0xfd encoded with three bytes is OK:
ss << Span{"\xfd\xfd\x00"}.first(3);
n = ReadCompactSize(ss);
BOOST_CHECK(n == 0xfd);
// zero encoded with five bytes:
ss << Span{"\xfe\x00\x00\x00\x00"}.first(5);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0xffff encoded with five bytes:
ss << Span{"\xfe\xff\xff\x00\x00"}.first(5);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// zero encoded with nine bytes:
ss << Span{"\xff\x00\x00\x00\x00\x00\x00\x00\x00"}.first(9);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0x01ffffff encoded with nine bytes:
ss << Span{"\xff\xff\xff\xff\x01\x00\x00\x00\x00"}.first(9);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
}
BOOST_AUTO_TEST_CASE(class_methods)
{
int intval(100);
bool boolval(true);
std::string stringval("testing");
const uint8_t charstrval[16]{"testing charstr"};
CMutableTransaction txval;
CTransactionRef tx_ref{MakeTransactionRef(txval)};
CSerializeMethodsTestSingle methodtest1(intval, boolval, stringval, charstrval, tx_ref);
CSerializeMethodsTestMany methodtest2(intval, boolval, stringval, charstrval, tx_ref);
CSerializeMethodsTestSingle methodtest3;
CSerializeMethodsTestMany methodtest4;
DataStream ss;
BOOST_CHECK(methodtest1 == methodtest2);
ss << methodtest1;
ss >> methodtest4;
ss << methodtest2;
ss >> methodtest3;
BOOST_CHECK(methodtest1 == methodtest2);
BOOST_CHECK(methodtest2 == methodtest3);
BOOST_CHECK(methodtest3 == methodtest4);
DataStream ss2;
ss2 << intval << boolval << stringval << charstrval << TX_WITH_WITNESS(txval);
ss2 >> methodtest3;
BOOST_CHECK(methodtest3 == methodtest4);
{
DataStream ds;
const std::string in{"ab"};
ds << Span{in} << std::byte{'c'};
std::array<std::byte, 2> out;
std::byte out_3;
ds >> Span{out} >> out_3;
BOOST_CHECK_EQUAL(out.at(0), std::byte{'a'});
BOOST_CHECK_EQUAL(out.at(1), std::byte{'b'});
BOOST_CHECK_EQUAL(out_3, std::byte{'c'});
}
}
struct BaseFormat {
const enum {
RAW,
HEX,
} m_base_format;
SER_PARAMS_OPFUNC
};
constexpr BaseFormat RAW{BaseFormat::RAW};
constexpr BaseFormat HEX{BaseFormat::HEX};
/// (Un)serialize a number as raw byte or 2 hexadecimal chars.
class Base
{
public:
uint8_t m_base_data;
Base() : m_base_data(17) {}
explicit Base(uint8_t data) : m_base_data(data) {}
template <typename Stream>
void Serialize(Stream& s) const
{
if (s.GetParams().m_base_format == BaseFormat::RAW) {
s << m_base_data;
} else {
s << Span{HexStr(Span{&m_base_data, 1})};
}
}
template <typename Stream>
void Unserialize(Stream& s)
{
if (s.GetParams().m_base_format == BaseFormat::RAW) {
s >> m_base_data;
} else {
std::string hex{"aa"};
s >> Span{hex}.first(hex.size());
m_base_data = TryParseHex<uint8_t>(hex).value().at(0);
}
}
};
class DerivedAndBaseFormat
{
public:
BaseFormat m_base_format;
enum class DerivedFormat {
LOWER,
UPPER,
} m_derived_format;
SER_PARAMS_OPFUNC
};
class Derived : public Base
{
public:
std::string m_derived_data;
SERIALIZE_METHODS_PARAMS(Derived, obj, DerivedAndBaseFormat, fmt)
{
READWRITE(fmt.m_base_format(AsBase<Base>(obj)));
if (ser_action.ForRead()) {
std::string str;
s >> str;
SER_READ(obj, obj.m_derived_data = str);
} else {
s << (fmt.m_derived_format == DerivedAndBaseFormat::DerivedFormat::LOWER ?
ToLower(obj.m_derived_data) :
ToUpper(obj.m_derived_data));
}
}
};
BOOST_AUTO_TEST_CASE(with_params_base)
{
Base b{0x0F};
DataStream stream;
stream << RAW(b);
BOOST_CHECK_EQUAL(stream.str(), "\x0F");
b.m_base_data = 0;
stream >> RAW(b);
BOOST_CHECK_EQUAL(b.m_base_data, 0x0F);
stream.clear();
stream << HEX(b);
BOOST_CHECK_EQUAL(stream.str(), "0f");
b.m_base_data = 0;
stream >> HEX(b);
BOOST_CHECK_EQUAL(b.m_base_data, 0x0F);
}
BOOST_AUTO_TEST_CASE(with_params_vector_of_base)
{
std::vector<Base> v{Base{0x0F}, Base{0xFF}};
DataStream stream;
stream << RAW(v);
BOOST_CHECK_EQUAL(stream.str(), "\x02\x0F\xFF");
v[0].m_base_data = 0;
v[1].m_base_data = 0;
stream >> RAW(v);
BOOST_CHECK_EQUAL(v[0].m_base_data, 0x0F);
BOOST_CHECK_EQUAL(v[1].m_base_data, 0xFF);
stream.clear();
stream << HEX(v);
BOOST_CHECK_EQUAL(stream.str(), "\x02"
"0fff");
v[0].m_base_data = 0;
v[1].m_base_data = 0;
stream >> HEX(v);
BOOST_CHECK_EQUAL(v[0].m_base_data, 0x0F);
BOOST_CHECK_EQUAL(v[1].m_base_data, 0xFF);
}
constexpr DerivedAndBaseFormat RAW_LOWER{{BaseFormat::RAW}, DerivedAndBaseFormat::DerivedFormat::LOWER};
constexpr DerivedAndBaseFormat HEX_UPPER{{BaseFormat::HEX}, DerivedAndBaseFormat::DerivedFormat::UPPER};
BOOST_AUTO_TEST_CASE(with_params_derived)
{
Derived d;
d.m_base_data = 0x0F;
d.m_derived_data = "xY";
DataStream stream;
stream << RAW_LOWER(d);
stream << HEX_UPPER(d);
BOOST_CHECK_EQUAL(stream.str(), "\x0F\x02xy"
"0f\x02XY");
}
BOOST_AUTO_TEST_SUITE_END()
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