Initial Vexta Core v0.1.0 release
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25c454329d
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src/test/serialize_tests.cpp
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290
src/test/serialize_tests.cpp
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// Copyright (c) 2009-2020 The Bitcoin Core developers
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// Copyright (c) 2014-2020 The DigiByte Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <hash.h>
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#include <serialize.h>
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#include <streams.h>
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#include <hash.h>
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#include <test/util/setup_common.h>
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#include <util/strencodings.h>
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#include <stdint.h>
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#include <boost/test/unit_test.hpp>
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BOOST_FIXTURE_TEST_SUITE(serialize_tests, BasicTestingSetup)
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class CSerializeMethodsTestSingle
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{
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protected:
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int intval;
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bool boolval;
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std::string stringval;
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char charstrval[16];
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CTransactionRef txval;
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public:
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CSerializeMethodsTestSingle() = default;
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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)
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{
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memcpy(charstrval, charstrvalin, sizeof(charstrval));
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}
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SERIALIZE_METHODS(CSerializeMethodsTestSingle, obj)
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{
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READWRITE(obj.intval);
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READWRITE(obj.boolval);
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READWRITE(obj.stringval);
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READWRITE(obj.charstrval);
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READWRITE(obj.txval);
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}
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bool operator==(const CSerializeMethodsTestSingle& rhs)
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{
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return intval == rhs.intval && \
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boolval == rhs.boolval && \
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stringval == rhs.stringval && \
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strcmp(charstrval, rhs.charstrval) == 0 && \
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*txval == *rhs.txval;
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}
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};
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class CSerializeMethodsTestMany : public CSerializeMethodsTestSingle
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{
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public:
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using CSerializeMethodsTestSingle::CSerializeMethodsTestSingle;
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SERIALIZE_METHODS(CSerializeMethodsTestMany, obj)
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{
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READWRITE(obj.intval, obj.boolval, obj.stringval, obj.charstrval, obj.txval);
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}
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};
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BOOST_AUTO_TEST_CASE(sizes)
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{
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BOOST_CHECK_EQUAL(sizeof(char), GetSerializeSize(char(0), 0));
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BOOST_CHECK_EQUAL(sizeof(int8_t), GetSerializeSize(int8_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(uint8_t), GetSerializeSize(uint8_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(int16_t), GetSerializeSize(int16_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(uint16_t), GetSerializeSize(uint16_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(int32_t), GetSerializeSize(int32_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(uint32_t), GetSerializeSize(uint32_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(int64_t), GetSerializeSize(int64_t(0), 0));
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BOOST_CHECK_EQUAL(sizeof(uint64_t), GetSerializeSize(uint64_t(0), 0));
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// Bool is serialized as uint8_t
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BOOST_CHECK_EQUAL(sizeof(uint8_t), GetSerializeSize(bool(0), 0));
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// Sanity-check GetSerializeSize and c++ type matching
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BOOST_CHECK_EQUAL(GetSerializeSize(char(0), 0), 1U);
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BOOST_CHECK_EQUAL(GetSerializeSize(int8_t(0), 0), 1U);
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BOOST_CHECK_EQUAL(GetSerializeSize(uint8_t(0), 0), 1U);
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BOOST_CHECK_EQUAL(GetSerializeSize(int16_t(0), 0), 2U);
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BOOST_CHECK_EQUAL(GetSerializeSize(uint16_t(0), 0), 2U);
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BOOST_CHECK_EQUAL(GetSerializeSize(int32_t(0), 0), 4U);
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BOOST_CHECK_EQUAL(GetSerializeSize(uint32_t(0), 0), 4U);
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BOOST_CHECK_EQUAL(GetSerializeSize(int64_t(0), 0), 8U);
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BOOST_CHECK_EQUAL(GetSerializeSize(uint64_t(0), 0), 8U);
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BOOST_CHECK_EQUAL(GetSerializeSize(bool(0), 0), 1U);
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}
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BOOST_AUTO_TEST_CASE(varints)
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{
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// encode
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CDataStream ss(SER_DISK, 0);
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CDataStream::size_type size = 0;
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for (int i = 0; i < 100000; i++) {
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ss << VARINT_MODE(i, VarIntMode::NONNEGATIVE_SIGNED);
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size += ::GetSerializeSize(VARINT_MODE(i, VarIntMode::NONNEGATIVE_SIGNED), 0);
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BOOST_CHECK(size == ss.size());
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}
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for (uint64_t i = 0; i < 100000000000ULL; i += 999999937) {
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ss << VARINT(i);
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size += ::GetSerializeSize(VARINT(i), 0);
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BOOST_CHECK(size == ss.size());
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}
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// decode
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for (int i = 0; i < 100000; i++) {
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int j = -1;
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ss >> VARINT_MODE(j, VarIntMode::NONNEGATIVE_SIGNED);
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BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
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}
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for (uint64_t i = 0; i < 100000000000ULL; i += 999999937) {
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uint64_t j = std::numeric_limits<uint64_t>::max();
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ss >> VARINT(j);
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BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
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}
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}
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BOOST_AUTO_TEST_CASE(varints_bitpatterns)
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{
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CDataStream ss(SER_DISK, 0);
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ss << VARINT_MODE(0, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "00"); ss.clear();
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ss << VARINT_MODE(0x7f, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "7f"); ss.clear();
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ss << VARINT_MODE((int8_t)0x7f, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "7f"); ss.clear();
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ss << VARINT_MODE(0x80, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "8000"); ss.clear();
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ss << VARINT((uint8_t)0x80); BOOST_CHECK_EQUAL(HexStr(ss), "8000"); ss.clear();
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ss << VARINT_MODE(0x1234, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "a334"); ss.clear();
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ss << VARINT_MODE((int16_t)0x1234, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "a334"); ss.clear();
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ss << VARINT_MODE(0xffff, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "82fe7f"); ss.clear();
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ss << VARINT((uint16_t)0xffff); BOOST_CHECK_EQUAL(HexStr(ss), "82fe7f"); ss.clear();
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ss << VARINT_MODE(0x123456, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "c7e756"); ss.clear();
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ss << VARINT_MODE((int32_t)0x123456, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "c7e756"); ss.clear();
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ss << VARINT(0x80123456U); BOOST_CHECK_EQUAL(HexStr(ss), "86ffc7e756"); ss.clear();
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ss << VARINT((uint32_t)0x80123456U); BOOST_CHECK_EQUAL(HexStr(ss), "86ffc7e756"); ss.clear();
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ss << VARINT(0xffffffff); BOOST_CHECK_EQUAL(HexStr(ss), "8efefefe7f"); ss.clear();
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ss << VARINT_MODE(0x7fffffffffffffffLL, VarIntMode::NONNEGATIVE_SIGNED); BOOST_CHECK_EQUAL(HexStr(ss), "fefefefefefefefe7f"); ss.clear();
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ss << VARINT(0xffffffffffffffffULL); BOOST_CHECK_EQUAL(HexStr(ss), "80fefefefefefefefe7f"); ss.clear();
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}
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BOOST_AUTO_TEST_CASE(compactsize)
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{
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CDataStream ss(SER_DISK, 0);
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std::vector<char>::size_type i, j;
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for (i = 1; i <= MAX_SIZE; i *= 2)
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{
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WriteCompactSize(ss, i-1);
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WriteCompactSize(ss, i);
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}
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for (i = 1; i <= MAX_SIZE; i *= 2)
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{
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j = ReadCompactSize(ss);
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BOOST_CHECK_MESSAGE((i-1) == j, "decoded:" << j << " expected:" << (i-1));
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j = ReadCompactSize(ss);
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BOOST_CHECK_MESSAGE(i == j, "decoded:" << j << " expected:" << i);
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}
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}
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static bool isCanonicalException(const std::ios_base::failure& ex)
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{
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std::ios_base::failure expectedException("non-canonical ReadCompactSize()");
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// The string returned by what() can be different for different platforms.
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// Instead of directly comparing the ex.what() with an expected string,
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// create an instance of exception to see if ex.what() matches
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// the expected explanatory string returned by the exception instance.
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return strcmp(expectedException.what(), ex.what()) == 0;
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}
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BOOST_AUTO_TEST_CASE(vector_bool)
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{
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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};
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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};
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BOOST_CHECK(vec1 == std::vector<uint8_t>(vec2.begin(), vec2.end()));
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BOOST_CHECK(SerializeHash(vec1) == SerializeHash(vec2));
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}
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BOOST_AUTO_TEST_CASE(noncanonical)
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{
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// Write some non-canonical CompactSize encodings, and
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// make sure an exception is thrown when read back.
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CDataStream ss(SER_DISK, 0);
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std::vector<char>::size_type n;
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// zero encoded with three bytes:
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ss.write("\xfd\x00\x00", 3);
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BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
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// 0xfc encoded with three bytes:
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ss.write("\xfd\xfc\x00", 3);
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BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
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// 0xfd encoded with three bytes is OK:
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ss.write("\xfd\xfd\x00", 3);
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n = ReadCompactSize(ss);
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BOOST_CHECK(n == 0xfd);
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// zero encoded with five bytes:
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ss.write("\xfe\x00\x00\x00\x00", 5);
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BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
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// 0xffff encoded with five bytes:
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ss.write("\xfe\xff\xff\x00\x00", 5);
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BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
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// zero encoded with nine bytes:
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ss.write("\xff\x00\x00\x00\x00\x00\x00\x00\x00", 9);
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BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
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// 0x01ffffff encoded with nine bytes:
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ss.write("\xff\xff\xff\xff\x01\x00\x00\x00\x00", 9);
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BOOST_CHECK_EXCEPTION(ReadCompactSize(ss), std::ios_base::failure, isCanonicalException);
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}
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BOOST_AUTO_TEST_CASE(insert_delete)
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{
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// Test inserting/deleting bytes.
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CDataStream ss(SER_DISK, 0);
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BOOST_CHECK_EQUAL(ss.size(), 0U);
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ss.write("\x00\x01\x02\xff", 4);
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BOOST_CHECK_EQUAL(ss.size(), 4U);
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char c = (char)11;
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// Inserting at beginning/end/middle:
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ss.insert(ss.begin(), c);
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BOOST_CHECK_EQUAL(ss.size(), 5U);
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BOOST_CHECK_EQUAL(ss[0], c);
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BOOST_CHECK_EQUAL(ss[1], 0);
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ss.insert(ss.end(), c);
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BOOST_CHECK_EQUAL(ss.size(), 6U);
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BOOST_CHECK_EQUAL(ss[4], 0xff);
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BOOST_CHECK_EQUAL(ss[5], c);
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ss.insert(ss.begin()+2, c);
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BOOST_CHECK_EQUAL(ss.size(), 7U);
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BOOST_CHECK_EQUAL(ss[2], c);
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// Delete at beginning/end/middle
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ss.erase(ss.begin());
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BOOST_CHECK_EQUAL(ss.size(), 6U);
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BOOST_CHECK_EQUAL(ss[0], 0);
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ss.erase(ss.begin()+ss.size()-1);
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BOOST_CHECK_EQUAL(ss.size(), 5U);
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BOOST_CHECK_EQUAL(ss[4], 0xff);
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ss.erase(ss.begin()+1);
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BOOST_CHECK_EQUAL(ss.size(), 4U);
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BOOST_CHECK_EQUAL(ss[0], 0);
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BOOST_CHECK_EQUAL(ss[1], 1);
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BOOST_CHECK_EQUAL(ss[2], 2);
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BOOST_CHECK_EQUAL(ss[3], 0xff);
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}
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BOOST_AUTO_TEST_CASE(class_methods)
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{
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int intval(100);
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bool boolval(true);
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std::string stringval("testing");
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const uint8_t charstrval[16]{"testing charstr"};
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CMutableTransaction txval;
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CTransactionRef tx_ref{MakeTransactionRef(txval)};
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CSerializeMethodsTestSingle methodtest1(intval, boolval, stringval, charstrval, tx_ref);
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CSerializeMethodsTestMany methodtest2(intval, boolval, stringval, charstrval, tx_ref);
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CSerializeMethodsTestSingle methodtest3;
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CSerializeMethodsTestMany methodtest4;
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CDataStream ss(SER_DISK, PROTOCOL_VERSION);
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BOOST_CHECK(methodtest1 == methodtest2);
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ss << methodtest1;
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ss >> methodtest4;
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ss << methodtest2;
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ss >> methodtest3;
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BOOST_CHECK(methodtest1 == methodtest2);
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BOOST_CHECK(methodtest2 == methodtest3);
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BOOST_CHECK(methodtest3 == methodtest4);
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CDataStream ss2(SER_DISK, PROTOCOL_VERSION, intval, boolval, stringval, charstrval, txval);
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ss2 >> methodtest3;
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BOOST_CHECK(methodtest3 == methodtest4);
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}
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BOOST_AUTO_TEST_SUITE_END()
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