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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 <array>
#include <memory>
#include <tuple>
#include <vector>
#include <gtest/gtest.h>
#include <fastcdr/Cdr.h>
#include "utility.hpp"
using namespace eprosima::fastcdr;
using XCdrStreamValues =
std::array<std::vector<uint8_t>,
1 + EncodingAlgorithmFlag::PL_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS>;
class XCdrFinalTest : public ::testing::TestWithParam< std::tuple<EncodingAlgorithmFlag, Cdr::Endianness>>
{
};
struct FiInnerStructure
{
public:
FiInnerStructure() = default;
FiInnerStructure(
eprosima::fastcdr::EncodingAlgorithmFlag e1,
eprosima::fastcdr::EncodingAlgorithmFlag e2
)
: enc_xcdrv1(e1)
, enc_xcdrv2(e2)
{
}
FiInnerStructure(
eprosima::fastcdr::EncodingAlgorithmFlag e1,
eprosima::fastcdr::EncodingAlgorithmFlag e2,
uint8_t value
)
: value1(value)
, enc_xcdrv1(e1)
, enc_xcdrv2(e2)
{
}
bool operator ==(
const FiInnerStructure& other) const
{
return value1 == other.value1 &&
value2.has_value() == other.value2.has_value() &&
(!value2.has_value() || value2.value() == other.value2.value());
}
//! First being serialized.
uint32_t value1 {0};
//! Second being serialized.
eprosima::fastcdr::optional<uint32_t> value2;
eprosima::fastcdr::EncodingAlgorithmFlag enc_xcdrv1 {eprosima::fastcdr::EncodingAlgorithmFlag::PLAIN_CDR};
eprosima::fastcdr::EncodingAlgorithmFlag enc_xcdrv2 {eprosima::fastcdr::EncodingAlgorithmFlag::PLAIN_CDR2};
};
namespace eprosima {
namespace fastcdr {
template<>
void serialize(
Cdr& cdr,
const FiInnerStructure& data)
{
Cdr::state current_status(cdr);
cdr.begin_serialize_type(current_status, cdr.get_cdr_version() == eprosima::fastcdr::CdrVersion::XCDRv1
? data.enc_xcdrv1
: data.enc_xcdrv2);
cdr << MemberId(0) << data.value1;
cdr << MemberId(1) << data.value2;
cdr.end_serialize_type(current_status);
}
template<>
void deserialize(
Cdr& cdr,
FiInnerStructure& data)
{
cdr.deserialize_type(cdr.get_cdr_version() == eprosima::fastcdr::CdrVersion::XCDRv1
? data.enc_xcdrv1
: data.enc_xcdrv2,
[&data](Cdr& cdr_inner, const MemberId& mid) -> bool
{
bool ret_value {true};
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
/*!
* @test Test an inner appendable structure inside a final structure.
* @code{.idl}
* @appendable
* struct InnerAppendableStructure
* {
* @id(0)
* unsigned long value1;
* @id(1) @optional
* unsigned long value2;
* };
*
* @final
* struct FinalWithInnerAppendableStruct
* {
* @id(1)
* unsigned long value1;
* @id(2)
* InnerAppendableStructure value2;
* };
* @endcode
*/
TEST_P(XCdrFinalTest, inner_appendable_structure)
{
constexpr uint8_t ival {0xCD};
//{ Defining expected XCDR streams
XCdrStreamValues expected_streams;
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x00, 0x00, 0x00, // Encapsulation
0x00, 0x00, 0x00, ival, // ULong
0x00, 0x00, 0x00, ival, // ULong
0x00, 0x01, 0x00, 0x00, // ShortMemberHeader (optional)
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x01, 0x00, 0x00, // Encapsulation
ival, 0x00, 0x00, 0x00, // ULong
ival, 0x00, 0x00, 0x00, // ULong
0x01, 0x00, 0x00, 0x00, // ShortMemberHeader (optional)
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x06, 0x00, 0x03, // Encapsulation
0x00, 0x00, 0x00, ival, // ULong
0x00, 0x00, 0x00, 0x05, // DHEADER
0x00, 0x00, 0x00, ival, // ULong
0x00, // Optional not present
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x07, 0x00, 0x03, // Encapsulation
ival, 0x00, 0x00, 0x00, // ULong
0x05, 0x00, 0x00, 0x00, // DHEADER
ival, 0x00, 0x00, 0x00, // ULong
0x00, // Optional not present
};
//}
EncodingAlgorithmFlag encoding = std::get<0>(GetParam());
Cdr::Endianness endianness = std::get<1>(GetParam());
//{ 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
uint32_t value1 {ival};
FiInnerStructure value2 {eprosima::fastcdr::EncodingAlgorithmFlag::PLAIN_CDR,
eprosima::fastcdr::EncodingAlgorithmFlag::DELIMIT_CDR2, ival};
cdr.set_encoding_flag(encoding);
cdr.serialize_encapsulation();
Cdr::state enc_state(cdr);
cdr.begin_serialize_type(enc_state, encoding);
cdr << MemberId(1) << value1;
cdr << MemberId(2) << value2;
cdr.end_serialize_type(enc_state);
cdr.set_dds_cdr_options({0, 0});
Cdr::state enc_state_end(cdr);
//}
//{ Test encoded content
ASSERT_EQ(cdr.get_serialized_data_length(), expected_streams[tested_stream].size());
ASSERT_EQ(0, memcmp(buffer.get(), expected_streams[tested_stream].data(),
expected_streams[tested_stream].size()));
//}
//{ Decoding
uint32_t dvalue1 {0};
FiInnerStructure dvalue2 {eprosima::fastcdr::EncodingAlgorithmFlag::PLAIN_CDR,
eprosima::fastcdr::EncodingAlgorithmFlag::DELIMIT_CDR2, ival};
cdr.reset();
cdr.read_encapsulation();
ASSERT_EQ(cdr.get_encoding_flag(), encoding);
ASSERT_EQ(cdr.endianness(), endianness);
cdr.deserialize_type(encoding, [&](Cdr& cdr_inner, const MemberId& mid)->bool
{
bool ret_value {true};
switch (mid.id)
{
case 0:
cdr_inner >> dvalue1;
break;
case 1:
cdr_inner >> dvalue2;
break;
default:
ret_value = false;
break;
}
return ret_value;
});
ASSERT_EQ(value1, dvalue1);
ASSERT_EQ(value2, dvalue2);
Cdr::state dec_state_end(cdr);
ASSERT_EQ(enc_state_end, dec_state_end);
//}
}
/*!
* @test Test an inner mutable structure inside a final structure.
* @code{.idl}
* @mutable
* struct InnerMutableStructure
* {
* @id(0)
* unsigned long value1;
* @id(1) @optional
* unsigned long value2;
* };
*
* @final
* struct FinalWithInnerMutableStruct
* {
* @id(1)
* unsigned long value1;
* @id(2)
* InnerMutableStructure value2;
* };
* @endcode
*/
TEST_P(XCdrFinalTest, inner_mutable_structure)
{
constexpr uint8_t ival {0xCD};
//{ Defining expected XCDR streams
XCdrStreamValues expected_streams;
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x00, 0x00, 0x00, // Encapsulation
0x00, 0x00, 0x00, ival, // ULong
0x00, 0x00, 0x00, 0x04, // ShortMemberHeader
0x00, 0x00, 0x00, ival, // ULong
0x3F, 0x02, 0x00, 0x00, // Sentinel
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x01, 0x00, 0x00, // Encapsulation
ival, 0x00, 0x00, 0x00, // ULong
0x00, 0x00, 0x04, 0x00, // ShortMemberHeader
ival, 0x00, 0x00, 0x00, // ULong
0x02, 0x3F, 0x00, 0x00, // Sentinel
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::BIG_ENDIANNESS] =
{
0x00, 0x06, 0x00, 0x00, // Encapsulation
0x00, 0x00, 0x00, ival, // ULong
0x00, 0x00, 0x00, 0x08, // DHEADER
0x20, 0x00, 0x00, 0x00, // EMHEADER1(M) without NEXTINT
0x00, 0x00, 0x00, ival, // ULong
};
expected_streams[0 + EncodingAlgorithmFlag::PLAIN_CDR2 + Cdr::Endianness::LITTLE_ENDIANNESS] =
{
0x00, 0x07, 0x00, 0x00, // Encapsulation
ival, 0x00, 0x00, 0x00, // ULong
0x08, 0x00, 0x00, 0x00, // DHEADER
0x00, 0x00, 0x00, 0x20, // EMHEADER1(M) without NEXTINT
ival, 0x00, 0x00, 0x00, // ULong
};
//}
EncodingAlgorithmFlag encoding = std::get<0>(GetParam());
Cdr::Endianness endianness = std::get<1>(GetParam());
//{ 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
uint32_t value1 {ival};
FiInnerStructure value2 {eprosima::fastcdr::EncodingAlgorithmFlag::PL_CDR,
eprosima::fastcdr::EncodingAlgorithmFlag::PL_CDR2, ival};
cdr.set_encoding_flag(encoding);
cdr.serialize_encapsulation();
Cdr::state enc_state(cdr);
cdr.begin_serialize_type(enc_state, encoding);
cdr << MemberId(1) << value1;
cdr << MemberId(2) << value2;
cdr.end_serialize_type(enc_state);
cdr.set_dds_cdr_options({0, 0});
Cdr::state enc_state_end(cdr);
//}
//{ Test encoded content
ASSERT_EQ(cdr.get_serialized_data_length(), expected_streams[tested_stream].size());
ASSERT_EQ(0, memcmp(buffer.get(), expected_streams[tested_stream].data(),
expected_streams[tested_stream].size()));
//}
//{ Decoding
uint32_t dvalue1 {0};
FiInnerStructure dvalue2 {eprosima::fastcdr::EncodingAlgorithmFlag::PL_CDR,
eprosima::fastcdr::EncodingAlgorithmFlag::PL_CDR2, ival};
cdr.reset();
cdr.read_encapsulation();
ASSERT_EQ(cdr.get_encoding_flag(), encoding);
ASSERT_EQ(cdr.endianness(), endianness);
cdr.deserialize_type(encoding, [&](Cdr& cdr_inner, const MemberId& mid)->bool
{
bool ret_value {true};
switch (mid.id)
{
case 0:
cdr_inner >> dvalue1;
break;
case 1:
cdr_inner >> dvalue2;
break;
default:
ret_value = false;
break;
}
return ret_value;
});
ASSERT_EQ(value1, dvalue1);
ASSERT_EQ(value2, dvalue2);
Cdr::state dec_state_end(cdr);
ASSERT_EQ(enc_state_end, dec_state_end);
//}
}
INSTANTIATE_TEST_SUITE_P(
XCdrTest,
XCdrFinalTest,
::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::PLAIN_CDR2, Cdr::Endianness::BIG_ENDIANNESS),
std::make_tuple(EncodingAlgorithmFlag::PLAIN_CDR2, Cdr::Endianness::LITTLE_ENDIANNESS)
));
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