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// Copyright 2024 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <gtest/gtest.h>
#include <fastcdr/Cdr.h>
#include <fastcdr/CdrSizeCalculator.hpp>
#include "../xcdr/utility.hpp"
using namespace eprosima::fastcdr;
using XCdrStreamValues =
std::array<std::vector<uint8_t>,
1 + EncodingAlgorithmFlag::PL_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS>;
class CdrArrayAsSTDVectorTest : public ::testing::TestWithParam< std::tuple<EncodingAlgorithmFlag, Cdr::Endianness>>
{
};
struct InnerBasicTypesShortStruct
{
InnerBasicTypesShortStruct() = default;
InnerBasicTypesShortStruct(
uint16_t v)
{
value1 = v;
value2 = v;
}
bool operator ==(
const InnerBasicTypesShortStruct& other) const
{
return value1 == other.value1 && value2 == other.value2;
}
uint16_t value1 {0};
uint16_t value2 {0};
};
namespace eprosima {
namespace fastcdr {
template<>
size_t calculate_serialized_size(
eprosima::fastcdr::CdrSizeCalculator& calculator,
const InnerBasicTypesShortStruct& data,
size_t& current_alignment)
{
eprosima::fastcdr::EncodingAlgorithmFlag previous_encoding = calculator.get_encoding();
size_t calculated_size {calculator.begin_calculate_type_serialized_size(previous_encoding, current_alignment)};
calculated_size += calculator.calculate_member_serialized_size(eprosima::fastcdr::MemberId(
3), data.value1, current_alignment);
calculated_size += calculator.calculate_member_serialized_size(eprosima::fastcdr::MemberId(
0x3FFF), data.value2, current_alignment);
calculated_size += calculator.end_calculate_type_serialized_size(previous_encoding, current_alignment);
return calculated_size;
}
template<>
void serialize(
Cdr& cdr,
const InnerBasicTypesShortStruct& data)
{
Cdr::state current_status(cdr);
cdr.begin_serialize_type(current_status, cdr.get_encoding_flag());
cdr << MemberId(3) << data.value1;
cdr << MemberId(0x3FFF) << data.value2;
cdr.end_serialize_type(current_status);
}
template<>
void deserialize(
Cdr& cdr,
InnerBasicTypesShortStruct& data)
{
cdr.deserialize_type(cdr.get_encoding_flag(), [&data](Cdr& cdr_inner, const MemberId& mid) -> bool
{
bool ret_value = true;
if (EncodingAlgorithmFlag::PL_CDR == cdr_inner.get_encoding_flag() ||
EncodingAlgorithmFlag::PL_CDR2 == cdr_inner.get_encoding_flag())
{
switch (mid.id)
{
case 3:
cdr_inner >> data.value1;
break;
case 0x3FFF:
cdr_inner >> data.value2;
break;
default:
ret_value = false;
break;
}
}
else
{
switch (mid.id)
{
case 0:
cdr_inner >> data.value1;
break;
case 1:
cdr_inner >> data.value2;
break;
default:
ret_value = false;
break;
}
}
return ret_value;
});
}
} // namespace fastcdr
} // namespace eprosima
template<class _T>
void serialize_array(
const XCdrStreamValues& expected_streams,
EncodingAlgorithmFlag encoding,
Cdr::Endianness endianness,
_T value)
{
//{ Calculate encoded size.
CdrSizeCalculator calculator(get_version_from_algorithm(encoding), encoding);
size_t current_alignment {0};
size_t calculated_size {calculator.calculate_array_serialized_size(value, current_alignment)};
calculated_size += 4; // Encapsulation
//}
//{ Prepare buffer
uint8_t tested_stream = 0 + encoding + endianness;
auto buffer =
std::unique_ptr<char, void (*)(
void*)>{reinterpret_cast<char*>(calloc(expected_streams[tested_stream].size(), sizeof(char))), free};
FastBuffer fast_buffer(buffer.get(), expected_streams[tested_stream].size());
Cdr cdr(fast_buffer, endianness, get_version_from_algorithm(encoding));
//}
//{ Encode the value.
cdr.set_encoding_flag(encoding);
cdr.serialize_encapsulation();
Cdr::state enc_state(cdr);
cdr.serialize_array(value);
Cdr::state enc_state_end(cdr);
//}
//{ Test encoded content
ASSERT_EQ(cdr.get_serialized_data_length(), expected_streams[tested_stream].size());
ASSERT_EQ(cdr.get_serialized_data_length(), calculated_size);
ASSERT_EQ(0, memcmp(buffer.get(), expected_streams[tested_stream].data(), expected_streams[tested_stream].size()));
//}
//{ Decoding the value.
_T dvalue(value.size());
cdr.reset();
cdr.read_encapsulation();
ASSERT_EQ(cdr.get_encoding_flag(), encoding);
ASSERT_EQ(cdr.endianness(), endianness);
cdr.deserialize_array(dvalue);
ASSERT_EQ(value, dvalue);
Cdr::state dec_state_end(cdr);
ASSERT_EQ(enc_state_end, dec_state_end);
//}
}
/*!
* @test Test an array of unsigned long type stored in a std::vector.
*/
TEST_P(CdrArrayAsSTDVectorTest, array_ulong_as_std_vector)
{
const std::vector<uint32_t> array_value {0xCDCDCDDC, 0xCDCDCDDC};
constexpr uint8_t ival {0xCD};
constexpr uint8_t fval {0xDC};
//{ Defining expected XCDR streams
XCdrStreamValues expected_streams;
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x00, 0x00, 0x00, // Encapsulation
ival, ival, ival, fval, // ULong
ival, ival, ival, fval // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x01, 0x00, 0x00, // Encapsulation
fval, ival, ival, ival, // ULong
fval, ival, ival, ival // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x02, 0x00, 0x00, // Encapsulation
ival, ival, ival, fval, // ULong
ival, ival, ival, fval, // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x03, 0x00, 0x00, // Encapsulation
fval, ival, ival, ival, // ULong
fval, ival, ival, ival, // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x06, 0x00, 0x00, // Encapsulation
ival, ival, ival, fval, // ULong
ival, ival, ival, fval // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x07, 0x00, 0x00, // Encapsulation
fval, ival, ival, ival, // ULong
fval, ival, ival, ival // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::DELIMIT_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x08, 0x00, 0x00, // Encapsulation
ival, ival, ival, fval, // ULong
ival, ival, ival, fval // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::DELIMIT_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x09, 0x00, 0x00, // Encapsulation
fval, ival, ival, ival, // ULong
fval, ival, ival, ival // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x0A, 0x00, 0x00, // Encapsulation
ival, ival, ival, fval, // ULong
ival, ival, ival, fval // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x0B, 0x00, 0x00, // Encapsulation
fval, ival, ival, ival, // ULong
fval, ival, ival, ival // ULong
};
//}
EncodingAlgorithmFlag encoding = std::get<0>(GetParam());
Cdr::Endianness endianness = std::get<1>(GetParam());
serialize_array(expected_streams, encoding, endianness, array_value);
}
/*!
* @test Test an array of struct type stored in a std::vector.
* @code{.idl}
* struct InnerBasicTypesShortStruct
* {
* @id(3)
* unsigned short value1;
* @id(16383)
* unsigned short value2;
* };
*
* InnerBasicTypesShortStruct var_structarray[2];
*
* @endcode
*/
TEST_P(CdrArrayAsSTDVectorTest, array_struct)
{
const std::vector<InnerBasicTypesShortStruct> array_value {{{0xCDDC}, {0xDCCD}}};
constexpr uint8_t ival {0xCD};
constexpr uint8_t fval {0xDC};
//{ Defining expected XCDR streams
XCdrStreamValues expected_streams;
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x00, 0x00, 0x00, // Encapsulation
ival, fval, ival, fval, // Array element 0
fval, ival, fval, ival // Array element 1
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x01, 0x00, 0x00, // Encapsulation
fval, ival, fval, ival, // Array element 0
ival, fval, ival, fval // Array element 1
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x02, 0x00, 0x00, // Encapsulation
0x00, 0x03, 0x00, 0x02, // ShortMemberHeader
ival, fval,
0x00, 0x00, // Alignment
0x3F, 0x01, 0x00, 0x08, // LongMemberHeader
0x00, 0x00, 0x3F, 0xFF, // LongMemberHeader
0x00, 0x00, 0x00, 0x02, // LongMemberHeader
ival, fval,
0x00, 0x00, // Alignment
0x3F, 0x02, 0x00, 0x00, // Sentinel
0x00, 0x03, 0x00, 0x02, // ShortMemberHeader
fval, ival,
0x00, 0x00, // Alignment
0x3F, 0x01, 0x00, 0x08, // LongMemberHeader
0x00, 0x00, 0x3F, 0xFF, // LongMemberHeader
0x00, 0x00, 0x00, 0x02, // LongMemberHeader
fval, ival,
0x00, 0x00, // Alignment
0x3F, 0x02, 0x00, 0x00, // Sentinel
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x03, 0x00, 0x00, // Encapsulation
0x03, 0x00, 0x02, 0x00, // ShortMemberHeader
fval, ival,
0x00, 0x00, // Alignment
0x01, 0x3F, 0x08, 0x00, // LongMemberHeader
0xFF, 0x3F, 0x00, 0x00, // LongMemberHeader
0x02, 0x00, 0x00, 0x00, // LongMemberHeader
fval, ival,
0x00, 0x00, // Alignment
0x02, 0x3F, 0x00, 0x00, // Sentinel
0x03, 0x00, 0x02, 0x00, // ShortMemberHeader
ival, fval,
0x00, 0x00, // Alignment
0x01, 0x3F, 0x08, 0x00, // LongMemberHeader
0xFF, 0x3F, 0x00, 0x00, // LongMemberHeader
0x02, 0x00, 0x00, 0x00, // LongMemberHeader
ival, fval,
0x00, 0x00, // Alignment
0x02, 0x3F, 0x00, 0x00, // Sentinel
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x06, 0x00, 0x00, // Encapsulation
0x00, 0x00, 0x00, 0x08, // DHEADER
ival, fval, ival, fval, // Array element 0
fval, ival, fval, ival // Array element 1
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x07, 0x00, 0x00, // Encapsulation
0x08, 0x00, 0x00, 0x00, // DHEADER
fval, ival, fval, ival, // Array element 0
ival, fval, ival, fval // Array element 1
};
expected_streams[0 + EncodingAlgorithmFlag::DELIMIT_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x08, 0x00, 0x00, // Encapsulation
0x00, 0x00, 0x00, 0x10, // DHEADER
0x00, 0x00, 0x00, 0x04, // DHEADER
ival, fval, ival, fval, // Array element 0
0x00, 0x00, 0x00, 0x04, // DHEADER
fval, ival, fval, ival // Array element 1
};
expected_streams[0 + EncodingAlgorithmFlag::DELIMIT_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x09, 0x00, 0x00, // Encapsulation
0x10, 0x00, 0x00, 0x00, // DHEADER
0x04, 0x00, 0x00, 0x00, // DHEADER
fval, ival, fval, ival, // Array element 0
0x04, 0x00, 0x00, 0x00, // DHEADER
ival, fval, ival, fval // Array element 1
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x0A, 0x00, 0x00, // Encapsulation
0x00, 0x00, 0x00, 0x26, // DHEADER
0x00, 0x00, 0x00, 0x0E, // DHEADER
0x10, 0x00, 0x00, 0x03, // EMHEADER1(M) without NEXTINT
ival, fval,
0x00, 0x00, // Alignment
0x10, 0x00, 0x3F, 0xFF, // EMHEADER1(M) without NEXTINT
ival, fval,
0x00, 0x00, // Alignment
0x00, 0x00, 0x00, 0x0E, // DHEADER
0x10, 0x00, 0x00, 0x03, // EMHEADER1(M) without NEXTINT
fval, ival,
0x00, 0x00, // Alignment
0x10, 0x00, 0x3F, 0xFF, // EMHEADER1(M) without NEXTINT
fval, ival
};
expected_streams[0 + EncodingAlgorithmFlag::PL_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x0B, 0x00, 0x00, // Encapsulation
0x26, 0x00, 0x00, 0x00, // DHEADER
0x0E, 0x00, 0x00, 0x00, // DHEADER
0x03, 0x00, 0x00, 0x10, // EMHEADER1(M) without NEXTINT
fval, ival,
0x00, 0x00, // Alignment
0xFF, 0x3F, 0x00, 0x10, // EMHEADER1(M) without NEXTINT
fval, ival,
0x00, 0x00, // Alignment
0x0E, 0x00, 0x00, 0x00, // DHEADER
0x03, 0x00, 0x00, 0x10, // EMHEADER1(M) without NEXTINT
ival, fval,
0x00, 0x00, // Alignment
0xFF, 0x3F, 0x00, 0x10, // EMHEADER1(M) without NEXTINT
ival, fval
};
//}
EncodingAlgorithmFlag encoding = std::get<0>(GetParam());
Cdr::Endianness endianness = std::get<1>(GetParam());
serialize_array(expected_streams, encoding, endianness, array_value);
}
INSTANTIATE_TEST_SUITE_P(
CdrTest,
CdrArrayAsSTDVectorTest,
::testing::Values(
std::make_tuple(EncodingAlgorithmFlag::PLAIN_CDR, Cdr::Endianness::BIG_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PLAIN_CDR, Cdr::Endianness::LITTLE_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PL_CDR, Cdr::Endianness::BIG_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PL_CDR, Cdr::Endianness::LITTLE_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PLAIN_CDR2, Cdr::Endianness::BIG_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PLAIN_CDR2, Cdr::Endianness::LITTLE_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::DELIMIT_CDR2, Cdr::Endianness::BIG_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::DELIMIT_CDR2, Cdr::Endianness::LITTLE_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PL_CDR2, Cdr::Endianness::BIG_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PL_CDR2, Cdr::Endianness::LITTLE_ENDIANNESS)
));
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