mirror of
https://github.com/fraillt/bitsery.git
synced 2026-06-13 10:49:24 +00:00
245 lines
8.7 KiB
C++
245 lines
8.7 KiB
C++
//MIT License
|
|
//
|
|
//Copyright (c) 2017 Mindaugas Vinkelis
|
|
//
|
|
//Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
//of this software and associated documentation files (the "Software"), to deal
|
|
//in the Software without restriction, including without limitation the rights
|
|
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
//copies of the Software, and to permit persons to whom the Software is
|
|
//furnished to do so, subject to the following conditions:
|
|
//
|
|
//The above copyright notice and this permission notice shall be included in all
|
|
//copies or substantial portions of the Software.
|
|
//
|
|
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
//SOFTWARE.
|
|
|
|
|
|
#include <bitsery/ext/compact_value.h>
|
|
#include <gmock/gmock.h>
|
|
#include "serialization_test_utils.h"
|
|
|
|
#include <bitsery/traits/array.h>
|
|
#include <bitset>
|
|
#include <chrono>
|
|
|
|
using testing::Eq;
|
|
using bitsery::ext::CompactValue;
|
|
using bitsery::ext::CompactValueAsObject;
|
|
using bitsery::EndiannessType;
|
|
|
|
// helper function, that gets value filled with specified number of bits
|
|
template <typename TValue>
|
|
TValue getValue(bool isPositive, size_t significantBits) {
|
|
TValue v = isPositive ? 0 : -1;
|
|
if (significantBits == 0)
|
|
return v;
|
|
|
|
using TUnsigned = typename std::make_unsigned<TValue>::type;
|
|
TUnsigned mask = {};
|
|
mask = ~mask; // invert shiftByBits
|
|
auto shiftBy = bitsery::details::BitsSize<TValue>::value - significantBits;
|
|
mask >>= shiftBy;
|
|
//cast to unsigned when applying mask
|
|
return (TUnsigned)v ^ mask;
|
|
}
|
|
|
|
// helper function, that serialize and return deserialized value
|
|
template <typename TConfig, typename TValue>
|
|
std::pair<TValue, size_t> serializeAndGetDeserialized(TValue data) {
|
|
Buffer buf{};
|
|
bitsery::Serializer<bitsery::OutputBufferAdapter<Buffer, TConfig>> ser{buf};
|
|
ser.template ext<sizeof(TValue)>(data, CompactValue{});
|
|
|
|
bitsery::Deserializer<bitsery::InputBufferAdapter<Buffer, TConfig>> des{buf.begin(), ser.adapter().writtenBytesCount()};
|
|
TValue res;
|
|
des.template ext<sizeof(TValue)>(res, CompactValue{});
|
|
return {res, ser.adapter().writtenBytesCount()};
|
|
}
|
|
|
|
struct LittleEndianConfig {
|
|
static constexpr EndiannessType Endianness = EndiannessType::LittleEndian;
|
|
static constexpr bool CheckDataErrors = true;
|
|
static constexpr bool CheckAdapterErrors = true;
|
|
};
|
|
|
|
struct BigEndianConfig {
|
|
static constexpr EndiannessType Endianness = EndiannessType::BigEndian;
|
|
static constexpr bool CheckDataErrors = true;
|
|
static constexpr bool CheckAdapterErrors = true;
|
|
};
|
|
|
|
template <typename TValue, bool isPositiveNr, typename TConfig>
|
|
struct TC {
|
|
static_assert(isPositiveNr || std::is_signed<TValue>::value, "");
|
|
|
|
using Value = TValue;
|
|
using Config = TConfig;
|
|
bool isPositive = isPositiveNr;
|
|
};
|
|
|
|
template<typename T>
|
|
class SerializeExtensionCompactValueCorrectness : public testing::Test {
|
|
public:
|
|
using TestCase = T;
|
|
};
|
|
|
|
|
|
using AllValueSizesTestCases = ::testing::Types<
|
|
TC<uint8_t, true, LittleEndianConfig>,
|
|
TC<uint16_t, true, LittleEndianConfig>,
|
|
TC<uint32_t, true, LittleEndianConfig>,
|
|
TC<uint64_t, true, LittleEndianConfig>,
|
|
TC<int8_t, true, LittleEndianConfig>,
|
|
TC<int16_t, true, LittleEndianConfig>,
|
|
TC<int32_t, true, LittleEndianConfig>,
|
|
TC<int64_t, true, LittleEndianConfig>,
|
|
TC<int8_t, false, LittleEndianConfig>,
|
|
TC<int16_t, false, LittleEndianConfig>,
|
|
TC<int32_t, false, LittleEndianConfig>,
|
|
TC<int64_t, false, LittleEndianConfig>,
|
|
TC<uint8_t, true, BigEndianConfig>,
|
|
TC<uint16_t, true, BigEndianConfig>,
|
|
TC<uint32_t, true, BigEndianConfig>,
|
|
TC<uint64_t, true, BigEndianConfig>,
|
|
TC<int8_t, true, BigEndianConfig>,
|
|
TC<int16_t, true, BigEndianConfig>,
|
|
TC<int32_t, true, BigEndianConfig>,
|
|
TC<int64_t, true, BigEndianConfig>,
|
|
TC<int8_t, false, BigEndianConfig>,
|
|
TC<int16_t, false, BigEndianConfig>,
|
|
TC<int32_t, false, BigEndianConfig>,
|
|
TC<int64_t, false, BigEndianConfig>
|
|
>;
|
|
|
|
TYPED_TEST_CASE(SerializeExtensionCompactValueCorrectness, AllValueSizesTestCases);
|
|
|
|
TYPED_TEST(SerializeExtensionCompactValueCorrectness, TestDifferentSizeValues) {
|
|
using TCase = typename TestFixture::TestCase;
|
|
using TValue = typename TCase::Value;
|
|
TCase tc{};
|
|
|
|
for (auto i = 0u; i < bitsery::details::BitsSize<TValue>::value + 1; ++i) {
|
|
auto data = getValue<TValue>(tc.isPositive, i);
|
|
auto res = serializeAndGetDeserialized<typename TCase::Config>(data);
|
|
EXPECT_THAT(res.first, Eq(data));
|
|
}
|
|
}
|
|
|
|
|
|
// this stucture will contain test data and result, as type paramters
|
|
template <typename TValue, bool isPositiveNr, size_t significantBits, size_t resultBytes>
|
|
struct SizeTC {
|
|
static_assert(isPositiveNr || std::is_signed<TValue>::value, "");
|
|
static_assert(bitsery::details::BitsSize<TValue>::value >= significantBits, "");
|
|
|
|
using Value = TValue;
|
|
bool isPositive = isPositiveNr;
|
|
size_t fillBits = significantBits;
|
|
size_t bytesCount = resultBytes;
|
|
};
|
|
|
|
template<typename T>
|
|
class SerializeExtensionCompactValueRequiredBytes : public testing::Test {
|
|
public:
|
|
using TestCase = T;
|
|
};
|
|
|
|
using RequiredBytesTestCases = ::testing::Types<
|
|
//1 byte always writes to 1 byte
|
|
SizeTC<uint8_t, true, 0,1>,
|
|
SizeTC<uint8_t, true, 8,1>,
|
|
SizeTC<int8_t, false, 0,1>,
|
|
SizeTC<int8_t, true, 8,1>,
|
|
|
|
//2 byte, +1 byte after 15 significant bits
|
|
SizeTC<uint16_t, true, 7,1>,
|
|
SizeTC<uint16_t, true, 8,2>,
|
|
SizeTC<uint16_t, true, 14,2>,
|
|
SizeTC<uint16_t, true, 15,3>,
|
|
//2 byte, +1 byte after 15-1 significant bits (1 bit for sign)
|
|
SizeTC<int16_t, true, 6,1>,
|
|
SizeTC<int16_t, false, 7,2>,
|
|
SizeTC<int16_t, true, 13,2>,
|
|
SizeTC<int16_t, false, 14,3>,
|
|
|
|
//4 byte, +1 byte after 29 significant bits
|
|
SizeTC<uint32_t, true, 14,2>,
|
|
SizeTC<uint32_t, true, 21,3>,
|
|
SizeTC<uint32_t, true, 28,4>,
|
|
SizeTC<uint32_t, true, 29,5>,
|
|
SizeTC<uint32_t, true, 32,5>,
|
|
//4 byte
|
|
SizeTC<int32_t, true, 13,2>,
|
|
SizeTC<int32_t, false, 20,3>,
|
|
SizeTC<int32_t, true, 27,4>,
|
|
SizeTC<int32_t, false, 28,5>,
|
|
SizeTC<int32_t, true, 31,5>,
|
|
|
|
//8 byte, +1 byte after 57 significant bits, or +2 byte when all bits are significant
|
|
SizeTC<uint64_t, true, 28,4>,
|
|
SizeTC<uint64_t, true, 35,5>,
|
|
SizeTC<uint64_t, true, 42,6>,
|
|
SizeTC<uint64_t, true, 49,7>,
|
|
SizeTC<uint64_t, true, 56,8>,
|
|
SizeTC<uint64_t, true, 57,9>,
|
|
SizeTC<uint64_t, true, 63,9>,
|
|
SizeTC<uint64_t, true, 64,10>,
|
|
//8 byte,
|
|
SizeTC<int64_t, true, 27,4>,
|
|
SizeTC<int64_t, false, 34,5>,
|
|
SizeTC<int64_t, true, 41,6>,
|
|
SizeTC<int64_t, false, 48,7>,
|
|
SizeTC<int64_t, true, 55,8>,
|
|
SizeTC<int64_t, false, 56,9>,
|
|
SizeTC<int64_t, true, 62,9>,
|
|
SizeTC<int64_t, false, 63,10>
|
|
>;
|
|
|
|
TYPED_TEST_CASE(SerializeExtensionCompactValueRequiredBytes, RequiredBytesTestCases);
|
|
|
|
TYPED_TEST(SerializeExtensionCompactValueRequiredBytes, Test) {
|
|
using TCase = typename TestFixture::TestCase;
|
|
using TValue = typename TCase::Value;
|
|
TCase tc{};
|
|
TValue data = getValue<TValue>(tc.isPositive, tc.fillBits);
|
|
auto res = serializeAndGetDeserialized<bitsery::DefaultConfig>(data);
|
|
EXPECT_THAT(res.first, Eq(data));
|
|
EXPECT_THAT(res.second, tc.bytesCount);
|
|
}
|
|
|
|
enum b1En: uint8_t {
|
|
A,B,C,D=54,E
|
|
};
|
|
|
|
enum class b8En: int64_t {
|
|
A=-874987489,B,C=0,D,E=489748978, F,G
|
|
};
|
|
|
|
TEST(SerializeExtensionCompactValueEnum, TestEnums) {
|
|
auto d1 = b1En::E;
|
|
auto d2 = b8En::B;
|
|
auto d3 = b8En::F;
|
|
EXPECT_THAT(serializeAndGetDeserialized<bitsery::DefaultConfig>(d1).first, Eq(d1));
|
|
EXPECT_THAT(serializeAndGetDeserialized<bitsery::DefaultConfig>(d2).first, Eq(d2));
|
|
EXPECT_THAT(serializeAndGetDeserialized<bitsery::DefaultConfig>(d3).first, Eq(d3));
|
|
}
|
|
|
|
TEST(SerializeExtensionCompactValueAsObjectDeserializeOverflow, TestEnums) {
|
|
SerializationContext ctx;
|
|
auto data = getValue<uint32_t >(true, 17);
|
|
uint16_t res{};
|
|
ctx.createSerializer().ext(data, CompactValueAsObject{});
|
|
ctx.createDeserializer().ext(res, CompactValueAsObject{});
|
|
EXPECT_THAT(data, ::testing::Ne(res));
|
|
EXPECT_THAT(ctx.des->adapter().error(), Eq(bitsery::ReaderError::InvalidData));
|
|
}
|
|
|
|
|