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etl/test/test_bit_stream_writer_little_endian.cpp
John Wellbelove 63d1a64e6c #787 etl::expected doesn't compile with ETL_LOG_ERRORS 
Updated CI scripts
#786 u8string
#783 Cannot insert existing value to full set
#781 etl::multi_span::iterator::operator *() fails if first span is empty
#780 endian enum_type produces useless-cast warnings
#779 hash.h: warnings produced with -Wfloat-equal
2023-11-24 09:59:35 +00:00

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/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2022 jwellbelove
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 "unit_test_framework.h"
#include "etl/bit_stream.h"
#include <array>
#include <vector>
#include <numeric>
#include "etl/private/diagnostic_useless_cast_push.h"
namespace
{
//***********************************
struct Object
{
int16_t s;
int32_t i;
uint8_t c;
};
#include "etl/private/diagnostic_unused_function_push.h"
bool operator ==(const Object& lhs, const Object& rhs)
{
return (lhs.s == rhs.s) &&
(lhs.i == rhs.i) &&
(lhs.c == rhs.c);
}
std::ostream& operator << (std::ostream& os, const Object& object)
{
os << object.s << "," << object.i << "," << (int)object.c;
return os;
}
#include "etl/private/diagnostic_pop.h"
}
namespace etl
{
//***********************************
bool write(etl::bit_stream_writer& stream, const Object& object)
{
bool success = true;
if (!stream.write(object.s, 14))
{
success = false;
}
if (!stream.write(object.i, 23))
{
success = false;
}
if (!stream.write(object.c))
{
success = false;
}
return success;
}
}
namespace
{
class Accumulator
{
public:
void Add(etl::bit_stream_writer::callback_parameter_type s)
{
data.insert(data.end(), s.begin(), s.end());
}
void Clear()
{
data.clear();
}
const std::vector<char>& GetData() const
{
return data;
}
private:
std::vector<char> data;
};
SUITE(test_bit_stream_little_endian)
{
//*************************************************************************
TEST(test_bit_stream_writer_construction)
{
std::array<char, 256> storage;
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.available(CHAR_BIT));
CHECK_EQUAL(storage.size(), bit_stream.available<CHAR_BIT>());
CHECK_EQUAL(storage.size(), bit_stream.available<unsigned char>());
CHECK_EQUAL(storage.size() * CHAR_BIT, bit_stream.available_bits());
CHECK_EQUAL(0U, bit_stream.size_bits());
CHECK_EQUAL(0U, bit_stream.size_bytes());
CHECK_EQUAL(storage.size(), bit_stream.data().size());
CHECK_EQUAL(0U, bit_stream.used_data().size());
}
//*************************************************************************
TEST(test_write_bool)
{
unsigned char storage = 0;
unsigned char expected = 0x5AU;
etl::bit_stream_writer bit_stream(&storage, 1U, etl::endian::little);
CHECK(bit_stream.write(false));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(true));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(false));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(true));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(true));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(false));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(true));
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK(bit_stream.write(false));
CHECK_EQUAL(1U, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(true));
CHECK_EQUAL(1U, bit_stream.data().size());
CHECK_EQUAL(1U, bit_stream.used_data().size());
CHECK_EQUAL(int(expected), int(storage));
}
//*************************************************************************
TEST(test_write_int8_t)
{
std::array<char, 256U> storage;
std::array<char, 256U> expected;
std::iota(expected.begin(), expected.end(), 0);
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
for (size_t i = 0UL; i < 256UL; ++i)
{
CHECK(bit_stream.write(int8_t(i)));
CHECK_EQUAL(i + 1U, bit_stream.used_data().size());
}
// One too many.
CHECK_FALSE(bit_stream.write(int8_t(0)));
CHECK_EQUAL(256U, bit_stream.data().size());
CHECK_EQUAL(256U, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(etl::reverse_bits(expected[i])), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_uint8_t)
{
std::array<char, 256> storage;
std::array<char, 256> expected;
std::iota(expected.begin(), expected.end(), 0);
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
for (size_t i = 0UL; i < 256UL; ++i)
{
CHECK(bit_stream.write(uint8_t(i)));
CHECK_EQUAL(i + 1U, bit_stream.used_data().size());
}
// One too many.
CHECK_FALSE(bit_stream.write(int8_t(0)));
CHECK_EQUAL(256U, bit_stream.data().size());
CHECK_EQUAL(256U, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(etl::reverse_bits(expected[i])), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_int16_t)
{
std::array<char, sizeof(int16_t) * 4> storage;
std::array<char, sizeof(int16_t) * 4> expected = { char(0x80), char(0x00),
char(0xA5), char(0x5A),
char(0x5A), char(0xA5),
char(0xFF), char(0xFF) };
CHECK(expected.size() == storage.size());
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK(bit_stream.write(int16_t(0x0001)));
CHECK_EQUAL(sizeof(int16_t) * 1, bit_stream.used_data().size());
CHECK(bit_stream.write(int16_t(0x5AA5)));
CHECK_EQUAL(sizeof(int16_t) * 2, bit_stream.used_data().size());
CHECK(bit_stream.write(int16_t(0xA55A)));
CHECK_EQUAL(sizeof(int16_t) * 3, bit_stream.used_data().size());
CHECK(bit_stream.write(int16_t(0xFFFF)));
CHECK_EQUAL(sizeof(int16_t) * 4, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(int16_t(0)));
CHECK_EQUAL(sizeof(int16_t) * 4, bit_stream.data().size());
CHECK_EQUAL(sizeof(int16_t) * 4, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(expected[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_uint16_t)
{
std::array<char, sizeof(uint16_t) * 4> storage;
std::array<char, sizeof(uint16_t) * 4> expected = { char(0x80), char(0x00),
char(0xA5), char(0x5A),
char(0x5A), char(0xA5),
char(0xFF), char(0xFF) };
CHECK(expected.size() == storage.size());
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK(bit_stream.write(uint16_t(0x0001)));
CHECK_EQUAL(sizeof(uint16_t) * 1, bit_stream.used_data().size());
CHECK(bit_stream.write(uint16_t(0x5AA5)));
CHECK_EQUAL(sizeof(uint16_t) * 2, bit_stream.used_data().size());
CHECK(bit_stream.write(uint16_t(0xA55A)));
CHECK_EQUAL(sizeof(uint16_t) * 3, bit_stream.used_data().size());
CHECK(bit_stream.write(uint16_t(0xFFFF)));
CHECK_EQUAL(sizeof(uint16_t) * 4, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(uint16_t(0)));
CHECK_EQUAL(sizeof(uint16_t) * 4, bit_stream.data().size());
CHECK_EQUAL(sizeof(uint16_t) * 4, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(expected[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_int32_t)
{
std::array<char, sizeof(int32_t) * 4> storage;
std::array<char, sizeof(int32_t) * 4> expected = { char(0x80), char(0x00), char(0x00), char(0x00),
char(0x5A), char(0xA5), char(0xA5), char(0x5A),
char(0xA5), char(0x5A), char(0x5A), char(0xA5),
char(0xFF), char(0xFF), char(0xFF), char(0xFF) };
CHECK(expected.size() == storage.size());
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK(bit_stream.write(int32_t(0x00000001)));
CHECK_EQUAL(sizeof(int32_t) * 1, bit_stream.used_data().size());
CHECK(bit_stream.write(int32_t(0x5AA5A55A)));
CHECK_EQUAL(sizeof(int32_t) * 2, bit_stream.used_data().size());
CHECK(bit_stream.write(int32_t(0xA55A5AA5)));
CHECK_EQUAL(sizeof(int32_t) * 3, bit_stream.used_data().size());
CHECK(bit_stream.write(int32_t(0xFFFFFFFF)));
CHECK_EQUAL(sizeof(int32_t) * 4, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(int32_t(0)));
CHECK_EQUAL(sizeof(int32_t) * 4, bit_stream.data().size());
CHECK_EQUAL(sizeof(int32_t) * 4, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(expected[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_uint32_t)
{
std::array<char, sizeof(uint32_t) * 4> storage;
std::array<char, sizeof(uint32_t) * 4> expected = { char(0x80), char(0x00), char(0x00), char(0x00),
char(0x5A), char(0xA5), char(0xA5), char(0x5A),
char(0xA5), char(0x5A), char(0x5A), char(0xA5),
char(0xFF), char(0xFF), char(0xFF), char(0xFF) };
CHECK(expected.size() == storage.size());
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK(bit_stream.write(uint32_t(0x00000001)));
CHECK_EQUAL(sizeof(uint32_t) * 1, bit_stream.used_data().size());
CHECK(bit_stream.write(uint32_t(0x5AA5A55A)));
CHECK_EQUAL(sizeof(uint32_t) * 2, bit_stream.used_data().size());
CHECK(bit_stream.write(uint32_t(0xA55A5AA5)));
CHECK_EQUAL(sizeof(uint32_t) * 3, bit_stream.used_data().size());
CHECK(bit_stream.write(uint32_t(0xFFFFFFFF)));
CHECK_EQUAL(sizeof(uint32_t) * 4, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(uint32_t(0)));
CHECK_EQUAL(sizeof(uint32_t) * 4, bit_stream.data().size());
CHECK_EQUAL(sizeof(uint32_t) * 4, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(expected[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_int64_t)
{
std::array<char, sizeof(int64_t) * 4> storage;
std::array<char, sizeof(int64_t) * 4> expected = { char(0x80), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00),
char(0xA5), char(0x5A), char(0x5A), char(0xA5), char(0x5A), char(0xA5), char(0xA5), char(0x5A),
char(0x5A), char(0xA5), char(0xA5), char(0x5A), char(0xA5), char(0x5A), char(0x5A), char(0xA5),
char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF) };
CHECK(expected.size() == storage.size());
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK(bit_stream.write(int64_t(0x0000000000000001LL)));
CHECK_EQUAL(sizeof(int64_t) * 1, bit_stream.used_data().size());
CHECK(bit_stream.write(int64_t(0x5AA5A55AA55A5AA5LL)));
CHECK_EQUAL(sizeof(int64_t) * 2, bit_stream.used_data().size());
CHECK(bit_stream.write(int64_t(0xA55A5AA55AA5A55ALL)));
CHECK_EQUAL(sizeof(int64_t) * 3, bit_stream.used_data().size());
CHECK(bit_stream.write(int64_t(0xFFFFFFFFFFFFFFFFLL)));
CHECK_EQUAL(sizeof(int64_t) * 4, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(int64_t(0)));
CHECK_EQUAL(sizeof(int64_t) * 4, bit_stream.data().size());
CHECK_EQUAL(sizeof(int64_t) * 4, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(expected[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_uint64_t)
{
std::array<char, sizeof(uint64_t) * 4> storage;
std::array<char, sizeof(uint64_t) * 4> expected = { char(0x80), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00),
char(0xA5), char(0x5A), char(0x5A), char(0xA5), char(0x5A), char(0xA5), char(0xA5), char(0x5A),
char(0x5A), char(0xA5), char(0xA5), char(0x5A), char(0xA5), char(0x5A), char(0x5A), char(0xA5),
char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF) };
CHECK(expected.size() == storage.size());
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK(bit_stream.write(uint64_t(0x0000000000000001LL)));
CHECK_EQUAL(sizeof(uint64_t) * 1, bit_stream.used_data().size());
CHECK(bit_stream.write(uint64_t(0x5AA5A55AA55A5AA5LL)));
CHECK_EQUAL(sizeof(uint64_t) * 2, bit_stream.used_data().size());
CHECK(bit_stream.write(uint64_t(0xA55A5AA55AA5A55ALL)));
CHECK_EQUAL(sizeof(uint64_t) * 3, bit_stream.used_data().size());
CHECK(bit_stream.write(uint64_t(0xFFFFFFFFFFFFFFFFLL)));
CHECK_EQUAL(sizeof(uint64_t) * 4, bit_stream.used_data().size());
// One too many.
CHECK_FALSE(bit_stream.write(uint64_t(0)));
CHECK_EQUAL(sizeof(uint64_t) * 4, bit_stream.data().size());
CHECK_EQUAL(sizeof(uint64_t) * 4, bit_stream.used_data().size());
for (size_t i = 0UL; i < storage.size(); ++i)
{
CHECK_EQUAL(int(expected[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(test_write_int8_t_5bits)
{
std::array<char, 4 * sizeof(char)> storage;
std::array<int8_t, 4> write_data = { int8_t(0x01), int8_t(0xF5), int8_t(0x05), int8_t(0xFF) }; // 1, -11, 10, -1
std::array<char, 4> expected = { char(0x85), char(0x69), char(0xF0), char(0x00) }; // 1, -11, 10, -1
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
CHECK(bit_stream.write(write_data[0], 5));
CHECK_EQUAL(1, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[1], 5));
CHECK_EQUAL(2, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[2], 5));
CHECK_EQUAL(2, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[3], 5));
CHECK_EQUAL(3, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
// 4th byte not used.
}
//*************************************************************************
TEST(test_write_uint8_t_5bits)
{
std::array<char, 4 * sizeof(char)> storage;
std::array<uint8_t, 4> write_data = { uint8_t(0x01), uint8_t(0xF5), uint8_t(0x05), uint8_t(0xFF) }; // 1, -11, 10, -1
std::array<char, 4> expected = { char(0x85), char(0x69), char(0xF0), char(0x00) }; // 1, -11, 10, -1
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
CHECK(bit_stream.write(write_data[0], 5));
CHECK_EQUAL(1, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[1], 5));
CHECK_EQUAL(2, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[2], 5));
CHECK_EQUAL(2, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[3], 5));
CHECK_EQUAL(3, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
// 4th byte not used.
}
//*************************************************************************
TEST(test_write_int16_t_10bits)
{
std::array<char, 4 * sizeof(int16_t)> storage;
std::array<int16_t, 4> write_data = { int16_t(0x0001), int16_t(0xA55A), int16_t(0x5AA5), int16_t(0xFFFF) };
std::array<char, 4 * sizeof(int16_t)> expected = { char(0x80), char(0x16), char(0xAA), char(0x57),
char(0xFF), char(0x00), char(0x00), char(0x00) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
CHECK(bit_stream.write(write_data[0], 10));
CHECK_EQUAL(2, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[1], 10));
CHECK_EQUAL(3, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[2], 10));
CHECK_EQUAL(4, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[3], 10));
CHECK_EQUAL(5, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
// 6th to 8th bytes not used.
}
//*************************************************************************
TEST(test_write_uint16_t_10bits)
{
std::array<char, 4 * sizeof(uint16_t)> storage;
std::array<uint16_t, 4> write_data = { uint16_t(0x0001), uint16_t(0xA55A), uint16_t(0x5AA5), uint16_t(0xFFFF) };
std::array<char, 4 * sizeof(uint16_t)> expected = { char(0x80), char(0x16), char(0xAA), char(0x57),
char(0xFF), char(0x00), char(0x00), char(0x00) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
CHECK(bit_stream.write(write_data[0], 10));
CHECK_EQUAL(2, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[1], 10));
CHECK_EQUAL(3, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[2], 10));
CHECK_EQUAL(4, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[3], 10));
CHECK_EQUAL(5, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
// 6th to 8th bytes not used.
}
//*************************************************************************
TEST(test_write_int32_t_22bits)
{
std::array<char, 4 * sizeof(uint32_t)> storage;
std::array<int32_t, 4> write_data = { int32_t(0x00000001UL), int32_t(0xA55AA55AUL), int32_t(0x5AA55AA5UL), int32_t(0xFFFFFFFFUL) };
std::array<char, 4 * sizeof(uint32_t)> expected = { char(0x80), char(0x00), char(0x01), char(0x6A),
char(0x95), char(0x6A), char(0x55), char(0xAA),
char(0x7F), char(0xFF), char(0xFF), char(0x00),
char(0x00), char(0x00), char(0x00), char(0x00) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
CHECK(bit_stream.write(write_data[0], 22));
CHECK_EQUAL(3, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[1], 22));
CHECK_EQUAL(6, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[2], 22));
CHECK_EQUAL(9, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[3], 22));
CHECK_EQUAL(11, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
// 12th to 16th to bytes not used.
}
//*************************************************************************
TEST(test_write_uint32_t_22bits)
{
std::array<char, 4 * sizeof(uint32_t)> storage;
std::array<uint32_t, 4> write_data = { uint32_t(0x00000001UL), uint32_t(0xA55AA55AUL), uint32_t(0x5AA55AA5UL), uint32_t(0xFFFFFFFFUL) };
std::array<char, 4 * sizeof(uint32_t)> expected = { char(0x80), char(0x00), char(0x01), char(0x6A),
char(0x95), char(0x6A), char(0x55), char(0xAA),
char(0x7F), char(0xFF), char(0xFF), char(0x00),
char(0x00), char(0x00), char(0x00), char(0x00) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
CHECK(bit_stream.write(write_data[0], 22));
CHECK_EQUAL(3, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[1], 22));
CHECK_EQUAL(6, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[2], 22));
CHECK_EQUAL(9, bit_stream.used_data().size());
CHECK(bit_stream.write(write_data[3], 22));
CHECK_EQUAL(11, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
// 12th to 16th to bytes not used.
}
//*************************************************************************
TEST(test_write_int64_t_47bits)
{
std::array<char, 4 * sizeof(int64_t)> storage;
std::array<int64_t, 4> write_data = { int64_t(0x0000000000000001LL), int64_t(0xA55AA55AA55AA55ALL), int64_t(0x5AA55AA55AA55AA5LL), int64_t(0xFFFFFFFFFFFFFFFFLL) };
std::array<char, 4 * sizeof(int64_t)> expected = { char(0x80), char(0x00), char(0x00), char(0x00),
char(0x00), char(0x00), char(0xB5), char(0x4A),
char(0xB5), char(0x4A), char(0xB5), char(0x4A),
char(0x95), char(0x6A), char(0x95), char(0x6A),
char(0x95), char(0x6F), char(0xFF), char(0xFF),
char(0xFF), char(0xFF), char(0xFF), char(0xF0) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
bit_stream.write(write_data[0], 47);
CHECK_EQUAL(6, bit_stream.used_data().size());
bit_stream.write(write_data[1], 47);
CHECK_EQUAL(12, bit_stream.used_data().size());
bit_stream.write(write_data[2], 47);
CHECK_EQUAL(18, bit_stream.used_data().size());
bit_stream.write(write_data[3], 47);
CHECK_EQUAL(24, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
CHECK_EQUAL((int)expected[11], (int)storage[11]);
CHECK_EQUAL((int)expected[12], (int)storage[12]);
CHECK_EQUAL((int)expected[13], (int)storage[13]);
CHECK_EQUAL((int)expected[14], (int)storage[14]);
CHECK_EQUAL((int)expected[15], (int)storage[15]);
CHECK_EQUAL((int)expected[16], (int)storage[16]);
CHECK_EQUAL((int)expected[17], (int)storage[17]);
CHECK_EQUAL((int)expected[18], (int)storage[18]);
CHECK_EQUAL((int)expected[19], (int)storage[19]);
CHECK_EQUAL((int)expected[20], (int)storage[20]);
CHECK_EQUAL((int)expected[21], (int)storage[21]);
CHECK_EQUAL((int)expected[22], (int)storage[22]);
CHECK_EQUAL((int)expected[23], (int)storage[23]);
// 25th to 32nd bytes not used.
}
//*************************************************************************
TEST(test_write_uint64_t_47bits)
{
std::array<char, 4 * sizeof(uint64_t)> storage;
std::array<uint64_t, 4> write_data = { uint64_t(0x0000000000000001LL), uint64_t(0xA55AA55AA55AA55ALL), uint64_t(0x5AA55AA55AA55AA5LL), uint64_t(0xFFFFFFFFFFFFFFFFLL) };
std::array<char, 4 * sizeof(uint64_t)> expected = { char(0x80), char(0x00), char(0x00), char(0x00),
char(0x00), char(0x00), char(0xB5), char(0x4A),
char(0xB5), char(0x4A), char(0xB5), char(0x4A),
char(0x95), char(0x6A), char(0x95), char(0x6A),
char(0x95), char(0x6F), char(0xFF), char(0xFF),
char(0xFF), char(0xFF), char(0xFF), char(0xF0) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream
bit_stream.write(write_data[0], 47);
CHECK_EQUAL(6, bit_stream.used_data().size());
bit_stream.write(write_data[1], 47);
CHECK_EQUAL(12, bit_stream.used_data().size());
bit_stream.write(write_data[2], 47);
CHECK_EQUAL(18, bit_stream.used_data().size());
bit_stream.write(write_data[3], 47);
CHECK_EQUAL(24, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
CHECK_EQUAL((int)expected[11], (int)storage[11]);
CHECK_EQUAL((int)expected[12], (int)storage[12]);
CHECK_EQUAL((int)expected[13], (int)storage[13]);
CHECK_EQUAL((int)expected[14], (int)storage[14]);
CHECK_EQUAL((int)expected[15], (int)storage[15]);
CHECK_EQUAL((int)expected[16], (int)storage[16]);
CHECK_EQUAL((int)expected[17], (int)storage[17]);
CHECK_EQUAL((int)expected[18], (int)storage[18]);
CHECK_EQUAL((int)expected[19], (int)storage[19]);
CHECK_EQUAL((int)expected[20], (int)storage[20]);
CHECK_EQUAL((int)expected[21], (int)storage[21]);
CHECK_EQUAL((int)expected[22], (int)storage[22]);
CHECK_EQUAL((int)expected[23], (int)storage[23]);
// 25th to 32nd bytes not used.
}
//*************************************************************************
TEST(test_write_multiple_full_size)
{
char c1 = 90; // 0x5A
char c2 = -91; // 0xA5
unsigned short s1 = 4660; // 0x1234
unsigned short s2 = 22136; // 0x5678
int32_t i1 = 0x89ABCDEF; // 0x89ABCDEF
int32_t i2 = 0xFEDCBA98; // 0xFEDCBA98
std::array<char, 14> storage;
std::array<char, 14> expected = { char(0x5A),
char(0x2C), char(0x48),
char(0xF7), char(0xB3), char(0xD5), char(0x91),
char(0x19), char(0x5D), char(0x3B), char(0x7F),
char(0x1E), char(0x6A),
char(0xA5) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream.
bit_stream.write(c1);
CHECK_EQUAL(1, bit_stream.used_data().size());
bit_stream.write(s1);
CHECK_EQUAL(3, bit_stream.used_data().size());
bit_stream.write(i1);
CHECK_EQUAL(7, bit_stream.used_data().size());
bit_stream.write(i2);
CHECK_EQUAL(11, bit_stream.used_data().size());
bit_stream.write(s2);
CHECK_EQUAL(13, bit_stream.used_data().size());
bit_stream.write(c2);
CHECK_EQUAL(14, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
CHECK_EQUAL((int)expected[11], (int)storage[11]);
CHECK_EQUAL((int)expected[12], (int)storage[12]);
CHECK_EQUAL((int)expected[13], (int)storage[13]);
}
//*************************************************************************
TEST(test_write_multiple_variable_size)
{
char c1 = 90; // 0x5A 6 bits
char c2 = -91; // 0xA5 7 bits
unsigned short s1 = 4660; // 0x1234 13 bits
unsigned short s2 = 22136; // 0x5678 11 bits
int32_t i1 = 0x89ABCDEF; // 0x89ABCDEF 23 bits
int32_t i2 = 0xFEDCBA98; // 0xFEDCBA98 25 bits
std::array<char, 14> storage;
std::array<char, 14> expected = { char(0x58), char(0xB1), char(0x3E), char(0xF6),
char(0x7A), char(0x86), char(0x57), char(0x4E),
char(0xC3), char(0xCE), char(0x90) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
// Insert into the stream.
bit_stream.write(c1, 6);
CHECK_EQUAL(1, bit_stream.used_data().size());
bit_stream.write(s1, 13);
CHECK_EQUAL(3, bit_stream.used_data().size());
bit_stream.write(i1, 23);
CHECK_EQUAL(6, bit_stream.used_data().size());
bit_stream.write(i2, 25);
CHECK_EQUAL(9, bit_stream.used_data().size());
bit_stream.write(s2, 11);
CHECK_EQUAL(10, bit_stream.used_data().size());
bit_stream.write(c2, 7);
CHECK_EQUAL(11, bit_stream.used_data().size());
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
}
//*************************************************************************
TEST(test_write_multiple_variable_size_with_callback)
{
char c1 = 90; // 0x5A 6 bits
char c2 = -91; // 0xA5 7 bits
unsigned short s1 = 4660; // 0x1234 13 bits
unsigned short s2 = 22136; // 0x5678 11 bits
int32_t i1 = 0x89ABCDEF; // 0x89ABCDEF 23 bits
int32_t i2 = 0xFEDCBA98; // 0xFEDCBA98 25 bits
std::array<char, 14> storage;
std::array<char, 14> expected = { char(0x58), char(0xB1), char(0x3E), char(0xF6),
char(0x7A), char(0x86), char(0x57), char(0x4E),
char(0xC3), char(0xCE), char(0x90) };
Accumulator accumulator;
auto callback = etl::bit_stream_writer::callback_type::create<Accumulator, &Accumulator::Add>(accumulator);
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little, callback);
// Insert into the stream.
bit_stream.write(c1, 6);
bit_stream.write(s1, 13);
bit_stream.write(i1, 23);
bit_stream.write(i2, 25);
bit_stream.write(s2, 11);
bit_stream.write(c2, 7);
bit_stream.flush();
CHECK_EQUAL(bit_stream.capacity_bytes(), bit_stream.available<char>());
CHECK_EQUAL(11U, accumulator.GetData().size());
CHECK_EQUAL((int)expected[0], (int)accumulator.GetData()[0]);
CHECK_EQUAL((int)expected[1], (int)accumulator.GetData()[1]);
CHECK_EQUAL((int)expected[2], (int)accumulator.GetData()[2]);
CHECK_EQUAL((int)expected[3], (int)accumulator.GetData()[3]);
CHECK_EQUAL((int)expected[4], (int)accumulator.GetData()[4]);
CHECK_EQUAL((int)expected[5], (int)accumulator.GetData()[5]);
CHECK_EQUAL((int)expected[6], (int)accumulator.GetData()[6]);
CHECK_EQUAL((int)expected[7], (int)accumulator.GetData()[7]);
CHECK_EQUAL((int)expected[8], (int)accumulator.GetData()[8]);
CHECK_EQUAL((int)expected[9], (int)accumulator.GetData()[9]);
CHECK_EQUAL((int)expected[10], (int)accumulator.GetData()[10]);
}
//*************************************************************************
TEST(test_write_object)
{
std::array<char, 2 * sizeof(Object)> storage;
storage.fill(0);
std::array<char, 12U> expected{ char(0x74), char(0xDE), char(0xA2), char(0xCF),
char(0x6A), char(0xFB), char(0xA3), char(0x5E),
char(0x5D), char(0x30), char(0x9F), char(0x80) };
etl::bit_stream_writer bit_stream(storage.data(), storage.size(), etl::endian::little);
Object object1 = { -1234, 123456789, 250 };
Object object2 = { 5678, -987654321, 126 };
CHECK(etl::write(bit_stream, object1));
CHECK(etl::write(bit_stream, object2));
CHECK_EQUAL((int)expected[0], (int)storage[0]);
CHECK_EQUAL((int)expected[1], (int)storage[1]);
CHECK_EQUAL((int)expected[2], (int)storage[2]);
CHECK_EQUAL((int)expected[3], (int)storage[3]);
CHECK_EQUAL((int)expected[4], (int)storage[4]);
CHECK_EQUAL((int)expected[5], (int)storage[5]);
CHECK_EQUAL((int)expected[6], (int)storage[6]);
CHECK_EQUAL((int)expected[7], (int)storage[7]);
CHECK_EQUAL((int)expected[8], (int)storage[8]);
CHECK_EQUAL((int)expected[9], (int)storage[9]);
CHECK_EQUAL((int)expected[10], (int)storage[10]);
CHECK_EQUAL((int)expected[11], (int)storage[11]);
}
};
}
#include "etl/private/diagnostic_pop.h"
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