coffee/etl
1
0
Fork 0
mirror of https://github.com/ETLCPP/etl.git synced 2026-04-30 19:09:10 +08:00
Code Issues Packages Projects Releases Wiki Activity
etl/test/test_bit_stream_reader_little_endian.cpp

1200 lines
42 KiB
C++
Raw Blame History

/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2018 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 <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
{
//***********************************
template <>
Object read_unchecked<Object>(etl::bit_stream_reader& stream)
{
int16_t result_s = stream.read_unchecked<int16_t>(14);
int32_t result_i = stream.read_unchecked<int32_t>(23);
uint8_t result_c = stream.read_unchecked<uint8_t>();
return Object{ result_s, result_i, result_c };
}
//***********************************
template <>
optional<Object> read<Object>(etl::bit_stream_reader& stream)
{
optional<Object> result;
etl::optional<int16_t> result_s = stream.read<int16_t>(14);
etl::optional<int32_t> result_i = stream.read<int32_t>(23);
etl::optional<uint8_t> result_c = stream.read<uint8_t>();
if (result_s.has_value() && result_i.has_value() && result_c.has_value())
{
result = Object{ result_s.value(), result_i.value(), result_c.value() };
}
return result;
}
}
namespace
{
SUITE(test_bit_stream_reader_little_endian)
{
//*************************************************************************
TEST(test_read_bool)
{
char storage = 0x5AU;
etl::bit_stream_reader bit_stream(&storage, 1, etl::endian::little);
CHECK_EQUAL(1U, bit_stream.size_bytes());
etl::optional<bool> result;
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = bit_stream.read<bool>();
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
// One too many.
result.reset();
result = bit_stream.read<bool>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_bool_using_non_member_function)
{
char storage = 0x5AU;
etl::bit_stream_reader bit_stream(&storage, 1, etl::endian::little);
CHECK_EQUAL(1U, bit_stream.size_bytes());
etl::optional<bool> result;
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(true, result.value());
result.reset();
result = etl::read<bool>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(false, result.value());
// One too many.
result.reset();
result = etl::read<bool>(bit_stream);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int8_t)
{
std::array<char, 4U> storage = { char(0x80), char(0x5A), char(0xA5), char(0xFF) };
std::array<int8_t, 4U> expected = { int8_t(0x01), int8_t(0x5A), int8_t(0xA5), int8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int8_t> result;
result.reset();
result = bit_stream.read<int8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
result.reset();
result = bit_stream.read<int8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[1]), int(result.value()));
result.reset();
result = bit_stream.read<int8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = bit_stream.read<int8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = bit_stream.read<int8_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_checked_int8_t_using_non_member_function)
{
std::array<char, 4U> storage = { char(0x80), char(0x5A), char(0xA5), char(0xFF) };
std::array<int8_t, 4U> expected = { int8_t(0x01), int8_t(0x5A), int8_t(0xA5), int8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int8_t> result;
result.reset();
result = etl::read<int8_t>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
result.reset();
result = etl::read<int8_t>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[1]), int(result.value()));
result.reset();
result = etl::read<int8_t>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = etl::read<int8_t>(bit_stream);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = etl::read<int8_t>(bit_stream);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_unchecked_int8_t_using_non_member_function)
{
std::array<char, 4U> storage = { char(0x80), char(0x5A), char(0xA5), char(0xFF) };
std::array<int8_t, 4U> expected = { int8_t(0x01), int8_t(0x5A), int8_t(0xA5), int8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
int8_t result;
result = etl::read_unchecked<int8_t>(bit_stream);
CHECK_EQUAL(int(expected[0]), int(result));
result = etl::read_unchecked<int8_t>(bit_stream);
CHECK_EQUAL(int(expected[1]), int(result));
result = etl::read_unchecked<int8_t>(bit_stream);
CHECK_EQUAL(int(expected[2]), int(result));
}
//*************************************************************************
TEST(test_read_int8_t_5bits)
{
std::array<char, 3U> storage = { char(0x85), char(0x69), char(0xF0) };
std::array<int8_t, 4U> expected = { int8_t(0x01), int8_t(0xF5), int8_t(0x05), int8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int8_t> result;
result.reset();
result = bit_stream.read<int8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
result.reset();
result = bit_stream.read<int8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[1]), int(result.value()));
result.reset();
result = bit_stream.read<int8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = bit_stream.read<int8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = bit_stream.read<int8_t>(5U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_checked_int8_t_5bits_using_non_member_function)
{
std::array<char, 3U> storage = { char(0x85), char(0x69), char(0xF0) };
std::array<int8_t, 4U> expected = { int8_t(0x01), int8_t(0xF5), int8_t(0x05), int8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int8_t> result;
result.reset();
result = etl::read<int8_t>(bit_stream, 5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
result.reset();
result = etl::read<int8_t>(bit_stream, 5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[1]), int(result.value()));
result.reset();
result = etl::read<int8_t>(bit_stream, 5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = etl::read<int8_t>(bit_stream, 5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = etl::read<int8_t>(bit_stream, 5U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_unchecked_int8_t_5bits_using_non_member_function)
{
std::array<char, 4U> storage = { char(0x85), char(0x69), char(0xF0) };
std::array<int8_t, 4U> expected = { int8_t(0x01), int8_t(0xF5), int8_t(0x05), int8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
int8_t result;
result = etl::read_unchecked<int8_t>(bit_stream, 5U);
CHECK_EQUAL(int(expected[0]), int(result));
result = etl::read_unchecked<int8_t>(bit_stream, 5U);
CHECK_EQUAL(int(expected[1]), int(result));
result = etl::read_unchecked<int8_t>(bit_stream, 5U);
CHECK_EQUAL(int(expected[2]), int(result));
result = etl::read_unchecked<int8_t>(bit_stream, 5U);
CHECK_EQUAL(int(expected[3]), int(result));
}
//*************************************************************************
TEST(test_read_uint8_t)
{
std::array<char, 4U> storage = { char(0x80), char(0x5A), char(0xA5), char(0xFF) };
std::array<uint8_t, 4U> expected = { uint8_t(0x01), uint8_t(0x5A), uint8_t(0xA5), uint8_t(0xFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint8_t> result;
result.reset();
result = bit_stream.read<uint8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[1]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>();
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = bit_stream.read<uint8_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint8_t_5bits)
{
std::array<char, 3U> storage = { char(0x85), char(0x69), char(0xF0) };
std::array<int8_t, 4U> expected = { uint8_t(0x01), uint8_t(0x15), uint8_t(0x05), uint8_t(0x1F) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint8_t> result;
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[1]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint8_t_5bits_with_skip)
{
std::array<char, 3U> storage = { char(0x85), char(0x69), char(0xF0) };
std::array<int8_t, 4U> expected = { uint8_t(0x01), uint8_t(0x15), uint8_t(0x05), uint8_t(0x1F) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint8_t> result;
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[0]), int(result.value()));
bool success = bit_stream.skip(5U);
CHECK(success);
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[2]), int(result.value()));
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK(result.has_value());
CHECK_EQUAL(int(expected[3]), int(result.value()));
// One too many.
result.reset();
result = bit_stream.read<uint8_t>(5U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int16_t)
{
std::array<char, 8U> storage = { char(0x80), char(0x00), char(0xA5), char(0x5A),
char(0x5A), char(0xA5), char(0xFF), char(0xFF) };
std::array<int16_t, 4U> expected = { int16_t(0x0001), int16_t(0x5AA5), int16_t(0xA55A), int16_t(0xFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int16_t> result;
result.reset();
result = bit_stream.read<int16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<int16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<int16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<int16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<int16_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int16_t_10bits)
{
std::array<char, 5U> storage = { char(0x80), char(0x16), char(0xAA), char(0x57), char(0xFF) };
std::array<int16_t, 4U> expected = { int16_t(0x0001), int16_t(0x015A), int16_t(0xFEA5), int16_t(0xFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int16_t> result;
result.reset();
result = bit_stream.read<int16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<int16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<int16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<int16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<int16_t>(10U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint16_t)
{
std::array<char, 8U> storage = { char(0x80), char(0x00), char(0xA5), char(0x5A),
char(0x5A), char(0xA5), char(0xFF), char(0xFF) };
std::array<uint16_t, 4U> expected = { uint16_t(0x0001), uint16_t(0x5AA5), uint16_t(0xA55A), uint16_t(0xFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint16_t> result;
result.reset();
result = bit_stream.read<uint16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<uint16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<uint16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<uint16_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<uint16_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint16_t_10bits)
{
std::array<char, 5U> storage = { char(0x80), char(0x16), char(0xAA), char(0x57), char(0xFF) };
std::array<uint16_t, 4U> expected = { uint16_t(0x0001), uint16_t(0x015A), uint16_t(0x02A5), uint16_t(0x03FF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint16_t> result;
result.reset();
result = bit_stream.read<uint16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<uint16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<uint16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<uint16_t>(10U);
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<uint16_t>(10U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int32_t)
{
std::array<char, 16U> storage = { 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) };
std::array<int32_t, 4U> expected = { int32_t(0x00000001), int32_t(0x5AA5A55A), int32_t(0xA55A5AA5), int32_t(0xFFFFFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int32_t> result;
result.reset();
result = bit_stream.read<int32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<int32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<int32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<int32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<int32_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int32_t_22bits)
{
std::array<char, 11U> storage = { char(0x80), char(0x00), char(0x01), char(0x6A),
char(0x95), char(0x6A), char(0x55), char(0xAA),
char(0x7F), char(0xFF), char(0xFF) };
std::array<int32_t, 4U> expected = { int32_t(0x00000001), int32_t(0x001AA55A), int32_t(0xFFE55AA5), int32_t(0xFFFFFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int32_t> result;
result.reset();
result = bit_stream.read<int32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<int32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<int32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<int32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<int32_t>(22U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint32_t)
{
std::array<char, 16U> storage = { 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) };
std::array<int32_t, 4U> expected = { int32_t(0x00000001), int32_t(0x5AA5A55A), int32_t(0xA55A5AA5), int32_t(0xFFFFFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint32_t> result;
result.reset();
result = bit_stream.read<uint32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<uint32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<uint32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<uint32_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<uint32_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint32_t_22bits)
{
std::array<char, 11U> storage = { char(0x80), char(0x00), char(0x01), char(0x6A),
char(0x95), char(0x6A), char(0x55), char(0xAA),
char(0x7F), char(0xFF), char(0xFF) };
std::array<int32_t, 4U> expected = { uint32_t(0x00000001), uint32_t(0x001AA55A), uint32_t(0x00255AA5), uint32_t(0x003FFFFF) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint32_t> result;
result.reset();
result = bit_stream.read<uint32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<uint32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<uint32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<uint32_t>(22U);
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<uint32_t>(22U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int64_t)
{
std::array<char, 32U> storage = { 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) };
std::array<int64_t, 4U> expected = { int64_t(0x0000000000000001LL), int64_t(0x5AA5A55AA55A5AA5LL), int64_t(0xA55A5AA55AA5A55ALL), int64_t(0xFFFFFFFFFFFFFFFFLL) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int64_t> result;
result.reset();
result = bit_stream.read<int64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<int64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<int64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<int64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<int64_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_int64_t_47bits)
{
std::array<char, 24U> storage = { 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) };
std::array<int64_t, 4U> expected = { int64_t(0x0000000000000001LL), int64_t(0x0000255AA55AA55ALL), int64_t(0xFFFFDAA55AA55AA5LL), int64_t(0xFFFFFFFFFFFFFFFFLL) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<int64_t> result;
result.reset();
result = bit_stream.read<int64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<int64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<int64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<int64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<int64_t>(47U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint64_t)
{
std::array<char, 32U> storage = { 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) };
std::array<uint64_t, 4U> expected = { uint64_t(0x0000000000000001ULL), uint64_t(0x5AA5A55AA55A5AA5ULL), uint64_t(0xA55A5AA55AA5A55AULL), uint64_t(0xFFFFFFFFFFFFFFFFULL) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint64_t> result;
result.reset();
result = bit_stream.read<uint64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<uint64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<uint64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<uint64_t>();
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<uint64_t>();
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_uint64_t_47bits)
{
std::array<char, 24U> storage = { 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) };
std::array<uint64_t, 4U> expected = { uint64_t(0x0000000000000001ULL), uint64_t(0x0000255AA55AA55AULL), uint64_t(0x00005AA55AA55AA5ULL), uint64_t(0x00007FFFFFFFFFFFULL) };
etl::bit_stream_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
etl::optional<uint64_t> result;
result.reset();
result = bit_stream.read<uint64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[0], result.value());
result.reset();
result = bit_stream.read<uint64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[1], result.value());
result.reset();
result = bit_stream.read<uint64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[2], result.value());
result.reset();
result = bit_stream.read<uint64_t>(47U);
CHECK(result.has_value());
CHECK_EQUAL(expected[3], result.value());
// One too many.
result.reset();
result = bit_stream.read<uint64_t>(47U);
CHECK_FALSE(result.has_value());
}
//*************************************************************************
TEST(test_read_multiple_full_size)
{
//int8_t c1 = 90; // 0x5A
//uint16_t s1 = 4660; // 0x1234
//int32_t i1 = 0x89ABCDEF; // 0x89ABCDEF
//int32_t i2 = 0xFEDCBA98; // 0xFEDCBA98
//uint16_t s2 = 22136; // 0x5678
//int8_t c2 = -91; // 0xA5
std::array<char, 14U> storage = { 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_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
auto result_c1 = bit_stream.read<int8_t>();
CHECK(result_c1.has_value());
CHECK_EQUAL(int8_t(0x5A), result_c1.value());
auto result_s1 = bit_stream.read<uint16_t>();
CHECK(result_s1.has_value());
CHECK_EQUAL(uint16_t(0x1234), result_s1.value());
auto result_i1 = bit_stream.read<int32_t>();
CHECK(result_i1.has_value());
CHECK_EQUAL(int32_t(0x89ABCDEF), result_i1.value());
auto result_i2 = bit_stream.read<int32_t>();
CHECK(result_i2.has_value());
CHECK_EQUAL(int32_t(0xFEDCBA98), result_i2.value());
auto result_s2 = bit_stream.read<uint16_t>();
CHECK(result_s2.has_value());
CHECK_EQUAL(uint16_t(0x5678), result_s2.value());
auto result_c2 = bit_stream.read<int8_t>();
CHECK(result_c2.has_value());
CHECK_EQUAL(int8_t(0xA5), result_c2.value());
}
//*************************************************************************
TEST(test_read_multiple_variable_size)
{
//int8_t c1 = 90; // 0x5A 6 bits
//uint16_t s1 = 4660; // 0x1234 13 bits
//int32_t i1 = 0x89ABCDEF; // 0x89ABCDEF 23 bits
//int32_t i2 = 0xFEDCBA98; // 0xFEDCBA98 25 bits
//uint16_t s2 = 22136; // 0x5678 11 bits
//int8_t c2 = -91; // 0xA5 7 bits
std::array<char, 11U> storage = { 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_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
auto result_c1 = bit_stream.read<int8_t>(6U);
CHECK(result_c1.has_value());
CHECK_EQUAL(int8_t(0x1A), result_c1.value());
auto result_s1 = bit_stream.read<uint16_t>(13U);
CHECK(result_s1.has_value());
CHECK_EQUAL(uint16_t(0x1234), result_s1.value());
auto result_i1 = bit_stream.read<int32_t>(23U);
CHECK(result_i1.has_value());
CHECK_EQUAL(int32_t(0x002BCDEF), result_i1.value());
auto result_i2 = bit_stream.read<int32_t>(25U);
CHECK(result_i2.has_value());
CHECK_EQUAL(int32_t(0x00DCBA98), result_i2.value());
auto result_s2 = bit_stream.read<uint16_t>(11U);
CHECK(result_s2.has_value());
CHECK_EQUAL(uint16_t(0x0678), result_s2.value());
auto result_c2 = bit_stream.read<int8_t>(7U);
CHECK(result_c2.has_value());
CHECK_EQUAL(int8_t(0x25), result_c2.value());
}
//*************************************************************************
TEST(test_read_multiple_variable_size_using_non_member_functions)
{
//int8_t c1 = 90; // 0x5A 6 bits
//uint16_t s1 = 4660; // 0x1234 13 bits
//int32_t i1 = 0x89ABCDEF; // 0x89ABCDEF 23 bits
//int32_t i2 = 0xFEDCBA98; // 0xFEDCBA98 25 bits
//uint16_t s2 = 22136; // 0x5678 11 bits
//int8_t c2 = -91; // 0xA5 7 bits
std::array<char, 11U> storage = { 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_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
auto result_c1 = etl::read<int8_t>(bit_stream, 6U);
CHECK(result_c1.has_value());
CHECK_EQUAL(int8_t(0x1A), result_c1.value());
auto result_s1 = etl::read<uint16_t>(bit_stream, 13U);
CHECK(result_s1.has_value());
CHECK_EQUAL(uint16_t(0x1234), result_s1.value());
auto result_i1 = etl::read<int32_t>(bit_stream, 23U);
CHECK(result_i1.has_value());
CHECK_EQUAL(int32_t(0x002BCDEF), result_i1.value());
auto result_i2 = etl::read<int32_t>(bit_stream, 25U);
CHECK(result_i2.has_value());
CHECK_EQUAL(int32_t(0x00DCBA98), result_i2.value());
auto result_s2 = etl::read<uint16_t>(bit_stream, 11U);
CHECK(result_s2.has_value());
CHECK_EQUAL(uint16_t(0x0678), result_s2.value());
auto result_c2 = etl::read<int8_t>(bit_stream, 7U);
CHECK(result_c2.has_value());
CHECK_EQUAL(int8_t(0x25), result_c2.value());
}
//*************************************************************************
TEST(test_read_checked_object)
{
std::array<char, 12U> storage = { 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_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
Object object1 = { -1234, -2372331, 250 };
Object object2 = { 5678, 2201423, 126 };
etl::optional<Object> result1 = etl::read<Object>(bit_stream);
etl::optional<Object> result2 = etl::read<Object>(bit_stream);
CHECK(result1.has_value());
CHECK(result2.has_value());
CHECK_EQUAL(object1.s, result1.value().s);
CHECK_EQUAL(object1.i, result1.value().i);
CHECK_EQUAL(object1.c, result1.value().c);
CHECK_EQUAL(object2.s, result2.value().s);
CHECK_EQUAL(object2.i, result2.value().i);
CHECK_EQUAL(object2.c, result2.value().c);
}
//*************************************************************************
TEST(test_read_unchecked_object)
{
std::array<char, 12U> storage = { 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_reader bit_stream(storage.data(), storage.size(), etl::endian::little);
CHECK_EQUAL(storage.size(), bit_stream.size_bytes());
Object object1 = { -1234, -2372331, 250 };
Object object2 = { 5678, 2201423, 126 };
Object result1 = etl::read_unchecked<Object>(bit_stream);
Object result2 = etl::read_unchecked<Object>(bit_stream);
CHECK_EQUAL(object1.s, result1.s);
CHECK_EQUAL(object1.i, result1.i);
CHECK_EQUAL(object1.c, result1.c);
CHECK_EQUAL(object2.s, result2.s);
CHECK_EQUAL(object2.i, result2.i);
CHECK_EQUAL(object2.c, result2.c);
}
};
}
#include "etl/private/diagnostic_pop.h"
Reference in New Issue View Git Blame Copy Permalink