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serialize_tests.cpp
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serialize_tests.cpp
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// Copyright (c) 2012-2018 The Bitcoin Core developers
// Copyright (c) 2017 The Raven Core developers
// Copyright (c) 2018 The Rito Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "serialize.h"
#include "streams.h"
#include "hash.h"
#include "test/test_rito.h"
#include <stdint.h>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(serialize_tests, BasicTestingSetup)
class CSerializeMethodsTestSingle
{
protected:
int intval;
bool boolval;
std::string stringval;
const char *charstrval;
CTransactionRef txval;
public:
CSerializeMethodsTestSingle() = default;
CSerializeMethodsTestSingle(int intvalin, bool boolvalin, std::string stringvalin, const char *charstrvalin, CTransaction txvalin)
: intval(intvalin), boolval(boolvalin), stringval(std::move(stringvalin)), charstrval(charstrvalin), txval(MakeTransactionRef(txvalin))
{}
ADD_SERIALIZE_METHODS;
template<typename Stream, typename Operation>
inline void SerializationOp(Stream &s, Operation ser_action)
{
READWRITE(intval);
READWRITE(boolval);
READWRITE(stringval);
READWRITE(FLATDATA(charstrval));
READWRITE(txval);
}
bool operator==(const CSerializeMethodsTestSingle &rhs)
{
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;
ADD_SERIALIZE_METHODS;
template<typename Stream, typename Operation>
inline void SerializationOp(Stream &s, Operation ser_action)
{
READWRITEMANY(intval, boolval, stringval, FLATDATA(charstrval), txval);
}
};
BOOST_AUTO_TEST_CASE(sizes_test)
{
BOOST_TEST_MESSAGE("Running Sizes Test");
BOOST_CHECK_EQUAL(sizeof(char), GetSerializeSize(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));
BOOST_CHECK_EQUAL(sizeof(float), GetSerializeSize(float(0), 0));
BOOST_CHECK_EQUAL(sizeof(double), GetSerializeSize(double(0), 0));
// Bool is serialized as char
BOOST_CHECK_EQUAL(sizeof(char), GetSerializeSize(bool(0), 0));
// Sanity-check GetSerializeSize and c++ type matching
BOOST_CHECK_EQUAL(GetSerializeSize(char(0), 0), 1);
BOOST_CHECK_EQUAL(GetSerializeSize(int8_t(0), 0), 1);
BOOST_CHECK_EQUAL(GetSerializeSize(uint8_t(0), 0), 1);
BOOST_CHECK_EQUAL(GetSerializeSize(int16_t(0), 0), 2);
BOOST_CHECK_EQUAL(GetSerializeSize(uint16_t(0), 0), 2);
BOOST_CHECK_EQUAL(GetSerializeSize(int32_t(0), 0), 4);
BOOST_CHECK_EQUAL(GetSerializeSize(uint32_t(0), 0), 4);
BOOST_CHECK_EQUAL(GetSerializeSize(int64_t(0), 0), 8);
BOOST_CHECK_EQUAL(GetSerializeSize(uint64_t(0), 0), 8);
BOOST_CHECK_EQUAL(GetSerializeSize(float(0), 0), 4);
BOOST_CHECK_EQUAL(GetSerializeSize(double(0), 0), 8);
BOOST_CHECK_EQUAL(GetSerializeSize(bool(0), 0), 1);
}
BOOST_AUTO_TEST_CASE(floats_conversion_test)
{
BOOST_TEST_MESSAGE("Running Floats Conversion Test");
// Choose values that map unambiguously to binary floating point to avoid
// rounding issues at the compiler side.
BOOST_CHECK_EQUAL(ser_uint32_to_float(0x00000000), 0.0F);
BOOST_CHECK_EQUAL(ser_uint32_to_float(0x3f000000), 0.5F);
BOOST_CHECK_EQUAL(ser_uint32_to_float(0x3f800000), 1.0F);
BOOST_CHECK_EQUAL(ser_uint32_to_float(0x40000000), 2.0F);
BOOST_CHECK_EQUAL(ser_uint32_to_float(0x40800000), 4.0F);
BOOST_CHECK_EQUAL(ser_uint32_to_float(0x44444444), 785.066650390625F);
BOOST_CHECK_EQUAL(ser_float_to_uint32(0.0F), 0x00000000);
BOOST_CHECK_EQUAL(ser_float_to_uint32(0.5F), 0x3f000000);
BOOST_CHECK_EQUAL(ser_float_to_uint32(1.0F), 0x3f800000);
BOOST_CHECK_EQUAL(ser_float_to_uint32(2.0F), 0x40000000);
BOOST_CHECK_EQUAL(ser_float_to_uint32(4.0F), 0x40800000);
BOOST_CHECK_EQUAL(ser_float_to_uint32(785.066650390625F), 0x44444444);
}
BOOST_AUTO_TEST_CASE(doubles_conversion_test)
{
BOOST_TEST_MESSAGE("Running Doubles Conversion Test");
// Choose values that map unambiguously to binary floating point to avoid
// rounding issues at the compiler side.
BOOST_CHECK_EQUAL(ser_uint64_to_double(0x0000000000000000ULL), 0.0);
BOOST_CHECK_EQUAL(ser_uint64_to_double(0x3fe0000000000000ULL), 0.5);
BOOST_CHECK_EQUAL(ser_uint64_to_double(0x3ff0000000000000ULL), 1.0);
BOOST_CHECK_EQUAL(ser_uint64_to_double(0x4000000000000000ULL), 2.0);
BOOST_CHECK_EQUAL(ser_uint64_to_double(0x4010000000000000ULL), 4.0);
BOOST_CHECK_EQUAL(ser_uint64_to_double(0x4088888880000000ULL), 785.066650390625);
BOOST_CHECK_EQUAL(ser_double_to_uint64(0.0), 0x0000000000000000ULL);
BOOST_CHECK_EQUAL(ser_double_to_uint64(0.5), 0x3fe0000000000000ULL);
BOOST_CHECK_EQUAL(ser_double_to_uint64(1.0), 0x3ff0000000000000ULL);
BOOST_CHECK_EQUAL(ser_double_to_uint64(2.0), 0x4000000000000000ULL);
BOOST_CHECK_EQUAL(ser_double_to_uint64(4.0), 0x4010000000000000ULL);
BOOST_CHECK_EQUAL(ser_double_to_uint64(785.066650390625), 0x4088888880000000ULL);
}
/*
Python code to generate the below hashes:
def reversed_hex(x):
return binascii.hexlify(''.join(reversed(x)))
def dsha256(x):
return hashlib.sha256(hashlib.sha256(x).digest()).digest()
reversed_hex(dsha256(''.join(struct.pack('<f', x) for x in range(0,1000)))) == '8e8b4cf3e4df8b332057e3e23af42ebc663b61e0495d5e7e32d85099d7f3fe0c'
reversed_hex(dsha256(''.join(struct.pack('<d', x) for x in range(0,1000)))) == '43d0c82591953c4eafe114590d392676a01585d25b25d433557f0d7878b23f96'
*/
BOOST_AUTO_TEST_CASE(floats_test)
{
BOOST_TEST_MESSAGE("Running Floats Test");
CDataStream ss(SER_DISK, 0);
// encode
for (int i = 0; i < 1000; i++)
{
ss << float(i);
}
BOOST_CHECK(Hash(ss.begin(), ss.end()) == uint256S("8e8b4cf3e4df8b332057e3e23af42ebc663b61e0495d5e7e32d85099d7f3fe0c"));
// decode
for (int i = 0; i < 1000; i++)
{
float j;
ss >> j;
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
}
BOOST_AUTO_TEST_CASE(doubles_test)
{
BOOST_TEST_MESSAGE("Running Doubles Test");
CDataStream ss(SER_DISK, 0);
// encode
for (int i = 0; i < 1000; i++)
{
ss << double(i);
}
BOOST_CHECK(Hash(ss.begin(), ss.end()) == uint256S("43d0c82591953c4eafe114590d392676a01585d25b25d433557f0d7878b23f96"));
// decode
for (int i = 0; i < 1000; i++)
{
double j;
ss >> j;
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
}
BOOST_AUTO_TEST_CASE(varints_test)
{
BOOST_TEST_MESSAGE("Running VarInts Test");
// encode
CDataStream ss(SER_DISK, 0);
CDataStream::size_type size = 0;
for (int i = 0; i < 100000; i++)
{
ss << VARINT(i);
size += ::GetSerializeSize(VARINT(i), 0, 0);
BOOST_CHECK(size == ss.size());
}
for (uint64_t i = 0; i < 100000000000ULL; i += 999999937)
{
ss << VARINT(i);
size += ::GetSerializeSize(VARINT(i), 0, 0);
BOOST_CHECK(size == ss.size());
}
// decode
for (int i = 0; i < 100000; i++)
{
int j = -1;
ss >> VARINT(j);
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
for (uint64_t i = 0; i < 100000000000ULL; i += 999999937)
{
uint64_t j = -1;
ss >> VARINT(j);
BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
}
}
BOOST_AUTO_TEST_CASE(varints_bitpatterns_test)
{
BOOST_TEST_MESSAGE("Running VarInts BitPatterns Test");
CDataStream ss(SER_DISK, 0);
ss << VARINT(0);
BOOST_CHECK_EQUAL(HexStr(ss), "00");
ss.clear();
ss << VARINT(0x7f);
BOOST_CHECK_EQUAL(HexStr(ss), "7f");
ss.clear();
ss << VARINT((int8_t) 0x7f);
BOOST_CHECK_EQUAL(HexStr(ss), "7f");
ss.clear();
ss << VARINT(0x80);
BOOST_CHECK_EQUAL(HexStr(ss), "8000");
ss.clear();
ss << VARINT((uint8_t) 0x80);
BOOST_CHECK_EQUAL(HexStr(ss), "8000");
ss.clear();
ss << VARINT(0x1234);
BOOST_CHECK_EQUAL(HexStr(ss), "a334");
ss.clear();
ss << VARINT((int16_t) 0x1234);
BOOST_CHECK_EQUAL(HexStr(ss), "a334");
ss.clear();
ss << VARINT(0xffff);
BOOST_CHECK_EQUAL(HexStr(ss), "82fe7f");
ss.clear();
ss << VARINT((uint16_t) 0xffff);
BOOST_CHECK_EQUAL(HexStr(ss), "82fe7f");
ss.clear();
ss << VARINT(0x123456);
BOOST_CHECK_EQUAL(HexStr(ss), "c7e756");
ss.clear();
ss << VARINT((int32_t) 0x123456);
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(0x7fffffffffffffffLL);
BOOST_CHECK_EQUAL(HexStr(ss), "fefefefefefefefe7f");
ss.clear();
ss << VARINT(0xffffffffffffffffULL);
BOOST_CHECK_EQUAL(HexStr(ss), "80fefefefefefefefe7f");
ss.clear();
}
BOOST_AUTO_TEST_CASE(compactsize_test)
{
BOOST_TEST_MESSAGE("Running CompactSize Test");
CDataStream ss(SER_DISK, 0);
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(noncanonical_test)
{
BOOST_TEST_MESSAGE("Running NonCanonical Test");
// Write some non-canonical CompactSize encodings, and
// make sure an exception is thrown when read back.
CDataStream ss(SER_DISK, 0);
std::vector<char>::size_type n;
// zero encoded with three bytes:
ss.write("\xfd\x00\x00", 3);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0xfc encoded with three bytes:
ss.write("\xfd\xfc\x00", 3);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0xfd encoded with three bytes is OK:
ss.write("\xfd\xfd\x00", 3);
n = ReadCompactSize(ss);
BOOST_CHECK(n == 0xfd);
// zero encoded with five bytes:
ss.write("\xfe\x00\x00\x00\x00", 5);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0xffff encoded with five bytes:
ss.write("\xfe\xff\xff\x00\x00", 5);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// zero encoded with nine bytes:
ss.write("\xff\x00\x00\x00\x00\x00\x00\x00\x00", 9);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
// 0x01ffffff encoded with nine bytes:
ss.write("\xff\xff\xff\xff\x01\x00\x00\x00\x00", 9);
BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
}
BOOST_AUTO_TEST_CASE(insert_delete_test)
{
BOOST_TEST_MESSAGE("Running Insert Delete Test");
// Test inserting/deleting bytes.
CDataStream ss(SER_DISK, 0);
BOOST_CHECK_EQUAL(ss.size(), 0);
ss.write("\x00\x01\x02\xff", 4);
BOOST_CHECK_EQUAL(ss.size(), 4);
char c = (char) 11;
// Inserting at beginning/end/middle:
ss.insert(ss.begin(), c);
BOOST_CHECK_EQUAL(ss.size(), 5);
BOOST_CHECK_EQUAL(ss[0], c);
BOOST_CHECK_EQUAL(ss[1], 0);
ss.insert(ss.end(), c);
BOOST_CHECK_EQUAL(ss.size(), 6);
BOOST_CHECK_EQUAL(ss[4], (char) 0xff);
BOOST_CHECK_EQUAL(ss[5], c);
ss.insert(ss.begin() + 2, c);
BOOST_CHECK_EQUAL(ss.size(), 7);
BOOST_CHECK_EQUAL(ss[2], c);
// Delete at beginning/end/middle
ss.erase(ss.begin());
BOOST_CHECK_EQUAL(ss.size(), 6);
BOOST_CHECK_EQUAL(ss[0], 0);
ss.erase(ss.begin() + ss.size() - 1);
BOOST_CHECK_EQUAL(ss.size(), 5);
BOOST_CHECK_EQUAL(ss[4], (char) 0xff);
ss.erase(ss.begin() + 1);
BOOST_CHECK_EQUAL(ss.size(), 4);
BOOST_CHECK_EQUAL(ss[0], 0);
BOOST_CHECK_EQUAL(ss[1], 1);
BOOST_CHECK_EQUAL(ss[2], 2);
BOOST_CHECK_EQUAL(ss[3], (char) 0xff);
// Make sure GetAndClear does the right thing:
CSerializeData d;
ss.GetAndClear(d);
BOOST_CHECK_EQUAL(ss.size(), 0);
}
BOOST_AUTO_TEST_CASE(class_methods_test)
{
BOOST_TEST_MESSAGE("Running Class Methods Test");
int intval(100);
bool boolval(true);
std::string stringval("testing");
const char *charstrval("testing charstr");
CMutableTransaction txval;
CSerializeMethodsTestSingle methodtest1(intval, boolval, stringval, charstrval, txval);
CSerializeMethodsTestMany methodtest2(intval, boolval, stringval, charstrval, txval);
CSerializeMethodsTestSingle methodtest3;
CSerializeMethodsTestMany methodtest4;
CDataStream ss(SER_DISK, PROTOCOL_VERSION);
BOOST_CHECK(methodtest1 == methodtest2);
ss << methodtest1;
ss >> methodtest4;
ss << methodtest2;
ss >> methodtest3;
BOOST_CHECK(methodtest1 == methodtest2);
BOOST_CHECK(methodtest2 == methodtest3);
BOOST_CHECK(methodtest3 == methodtest4);
CDataStream ss2(SER_DISK, PROTOCOL_VERSION, intval, boolval, stringval, FLATDATA(charstrval), txval);
ss2 >> methodtest3;
BOOST_CHECK(methodtest3 == methodtest4);
}
BOOST_AUTO_TEST_SUITE_END()