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etl/test/test_byte_stream.cpp
John Wellbelove 0d612f1317 Added missing read() member functions in byte_stream_reader 
Updated version numbers
2021-10-07 15:11:43 +01:00

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/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2021 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/byte_stream.h"
#include "etl/optional.h"
#include "etl/span.h"
#include <array>
#include <numeric>
namespace
{
//***********************************
struct Object
{
int16_t i;
double d;
uint8_t c;
};
//bool operator ==(const Object& lhs, const Object& rhs)
//{
// return (lhs.i == rhs.i) &&
// (lhs.d == rhs.d) &&
// (lhs.c == rhs.c);
//}
//std::ostream& operator << (std::ostream& os, const Object& object)
//{
// os << object.i << "," << object.d << "," << (int)object.c;
// return os;
//}
}
namespace etl
{
//***********************************
template <>
void write_unchecked<Object>(etl::byte_stream_writer& stream, const Object& object)
{
stream.write_unchecked(object.i);
stream.write_unchecked(object.d);
stream.write_unchecked(object.c);
}
//***********************************
template <>
bool write<Object>(etl::byte_stream_writer& stream, const Object& object)
{
bool success_i = stream.write(object.i);
bool success_d = stream.write(object.d);
bool success_c = stream.write(object.c);
return success_i && success_d && success_c;
}
//***********************************
template <>
Object read_unchecked<Object>(etl::byte_stream_reader& stream)
{
int16_t i = stream.read_unchecked<int16_t>();
double d = stream.read_unchecked<double>();
uint8_t c = stream.read_unchecked<uint8_t>();
Object object{ i, d, c };
return object;
}
//***********************************
template <>
etl::optional<Object> read<Object>(etl::byte_stream_reader& stream)
{
etl::optional<Object> result;
etl::optional<int16_t> i = stream.read<int16_t>();
etl::optional<double> d = stream.read<double>();
etl::optional<uint8_t> c = stream.read<uint8_t>();
Object object{ i.value(), d.value(), c.value() };
result = object;
return result;
}
}
namespace
{
SUITE(test_byte_stream)
{
//*************************************************************************
TEST(byte_stream_default_properties)
{
char storage[7];
etl::byte_stream_writer writer(storage, std::size(storage));
etl::byte_stream_reader reader(storage, writer.size_bytes()); // Capacity is zero.
CHECK(writer.empty());
CHECK(reader.empty());
CHECK(!writer.full());
CHECK_EQUAL(0U, writer.size_bytes());
CHECK_EQUAL(0U, reader.size_bytes());
CHECK_EQUAL(std::size(storage), writer.capacity());
CHECK_EQUAL(0U, reader.available<int8_t>());
CHECK_EQUAL(7U, writer.available<int8_t>());
CHECK_EQUAL(3U, writer.available<int16_t>());
CHECK_EQUAL(1U, writer.available<int32_t>());
CHECK_EQUAL(0U, writer.available<int64_t>());
}
//*************************************************************************
TEST(byte_stream_properties)
{
char storage[8];
etl::byte_stream_writer writer(storage, std::size(storage));
etl::span<char> storage_span(storage, storage + std::size(storage));
etl::span<char> writer_span = writer.data();
CHECK(writer_span.begin() == storage_span.begin());
CHECK(writer_span.end() == storage_span.end());
CHECK(writer.write(uint8_t(0x12U))); // 1 written.
CHECK(writer.write(uint16_t(0x1234U))); // 2 more written.
etl::span<char> used_span = writer.used_data();
etl::span<char> free_span = writer.free_data();
CHECK_EQUAL(sizeof(uint8_t) + sizeof(uint16_t), (std::distance(used_span.begin(), used_span.end())));
CHECK_EQUAL(std::size(storage) - sizeof(uint8_t) - sizeof(uint16_t), (std::distance(free_span.begin(), free_span.end())));
CHECK(writer.write(uint32_t(0x12345678U))); // 4 more written.
CHECK(!writer.write(uint32_t(0x12345678U))); // Can't write 4 more.
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<int8_t>());
CHECK_EQUAL(7U, writer.size_bytes());
CHECK_EQUAL(8U, writer.capacity());
etl::byte_stream_reader reader(storage, writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(7U, reader.available<int8_t>());
CHECK_EQUAL(7U, reader.size_bytes());
}
//*************************************************************************
TEST(write_bool)
{
char storage[8];
char result[8] = { 0, 1, 0, 1, 1, 0, 1, 0 };
etl::byte_stream_writer byte_stream(storage, 8U);
CHECK(byte_stream.write(false));
CHECK(byte_stream.write(true));
CHECK(byte_stream.write(false));
CHECK(byte_stream.write(true));
CHECK(byte_stream.write(true));
CHECK(byte_stream.write(false));
CHECK(byte_stream.write(true));
CHECK(byte_stream.write(false));
// One too many.
CHECK(!byte_stream.write(true));
CHECK_ARRAY_EQUAL(result, storage, 8);
}
//*************************************************************************
TEST(write_int8_t)
{
std::array<char, 256> storage;
std::array<char, 256> compare_data;
std::iota(compare_data.begin(), compare_data.end(), 0);
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
for (size_t i = 0; i < 256; ++i)
{
CHECK(byte_stream.write(int8_t(i)));
}
// One too many.
CHECK(!byte_stream.write(int8_t(0)));
for (size_t i = 0; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_uint8_t)
{
std::array<char, 256> storage;
std::array<char, 256> compare_data;
std::iota(compare_data.begin(), compare_data.end(), 0);
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
for (size_t i = 0U; i < 256U; ++i)
{
CHECK(byte_stream.write(uint8_t(i)));
}
// One too many.
CHECK(!byte_stream.write(uint8_t(0U)));
for (size_t i = 0U; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_int16_t)
{
// Tests assume big endian.
std::array<char, sizeof(int16_t) * 4> storage;
std::array<char, sizeof(int16_t) * 4> compare_data = { char(0x00), char(0x01), char(0x5A), char(0xA5), char(0xA5), char(0x5A), char(0xFF), char(0xFF) };
CHECK(compare_data.size() == storage.size());
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
CHECK(byte_stream.write(int16_t(0x0001)));
CHECK(byte_stream.write(int16_t(0x5AA5)));
CHECK(byte_stream.write(int16_t(0xA55A)));
CHECK(byte_stream.write(int16_t(0xFFFF)));
// One too many.
CHECK(!byte_stream.write(int16_t(0)));
for (size_t i = 0; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_uint16_t)
{
// Tests assume big endian.
std::array<char, sizeof(uint16_t) * 4> storage;
std::array<char, sizeof(uint16_t) * 4> compare_data = { char(0x00), char(0x01), char(0x5A), char(0xA5), char(0xA5), char(0x5A), char(0xFF), char(0xFF) };
CHECK(compare_data.size() == storage.size());
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
CHECK(byte_stream.write(uint16_t(0x0001U)));
CHECK(byte_stream.write(uint16_t(0x5AA5U)));
CHECK(byte_stream.write(uint16_t(0xA55AU)));
CHECK(byte_stream.write(uint16_t(0xFFFFU)));
// One too many.
CHECK(!byte_stream.write(uint16_t(0U)));
for (size_t i = 0; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_int32_t)
{
// Tests assume big endian.
std::array<char, sizeof(int32_t) * 4> storage;
std::array<char, sizeof(int32_t) * 4> compare_data = { char(0x00), char(0x00), char(0x00), char(0x01),
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(compare_data.size() == storage.size());
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
CHECK(byte_stream.write(int32_t(0x00000001)));
CHECK(byte_stream.write(int32_t(0x5AA5A55A)));
CHECK(byte_stream.write(int32_t(0xA55A5AA5)));
CHECK(byte_stream.write(int32_t(0xFFFFFFFF)));
// One too many.
CHECK(!byte_stream.write(int32_t(0)));
for (size_t i = 0U; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_uint32_t)
{
// Tests assume big endian.
std::array<char, sizeof(uint32_t) * 4> storage;
std::array<char, sizeof(uint32_t) * 4> compare_data = { char(0x00), char(0x00), char(0x00), char(0x01),
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(compare_data.size() == storage.size());
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
CHECK(byte_stream.write(uint32_t(0x00000001U)));
CHECK(byte_stream.write(uint32_t(0x5AA5A55AU)));
CHECK(byte_stream.write(uint32_t(0xA55A5AA5U)));
CHECK(byte_stream.write(uint32_t(0xFFFFFFFFU)));
// One too many.
CHECK(!byte_stream.write(uint32_t(0)));
for (size_t i = 0U; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_int64_t)
{
// Tests assume big endian.
std::array<char, sizeof(int64_t) * 4> storage;
std::array<char, sizeof(int64_t) * 4> compare_data = { char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x01),
char(0x5A), char(0xA5), char(0xA5), char(0x5A), char(0xA5), char(0x5A), char(0x5A), char(0xA5),
char(0xA5), char(0x5A), char(0x5A), char(0xA5), char(0x5A), char(0xA5), char(0xA5), char(0x5A),
char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF) };
CHECK(compare_data.size() == storage.size());
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
CHECK(byte_stream.write(int64_t(0x0000000000000001)));
CHECK(byte_stream.write(int64_t(0x5AA5A55AA55A5AA5)));
CHECK(byte_stream.write(int64_t(0xA55A5AA55AA5A55A)));
CHECK(byte_stream.write(int64_t(0xFFFFFFFFFFFFFFFF)));
// One too many.
CHECK(!byte_stream.write(int64_t(0)));
for (size_t i = 0U; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_uint64_t)
{
// Tests assume big endian.
std::array<char, sizeof(uint64_t) * 4> storage;
std::array<char, sizeof(uint64_t) * 4> compare_data = { char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x00), char(0x01),
char(0x5A), char(0xA5), char(0xA5), char(0x5A), char(0xA5), char(0x5A), char(0x5A), char(0xA5),
char(0xA5), char(0x5A), char(0x5A), char(0xA5), char(0x5A), char(0xA5), char(0xA5), char(0x5A),
char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF), char(0xFF) };
CHECK(compare_data.size() == storage.size());
etl::byte_stream_writer byte_stream(storage.data(), storage.size());
CHECK(byte_stream.write(uint64_t(0x0000000000000001U)));
CHECK(byte_stream.write(uint64_t(0x5AA5A55AA55A5AA5U)));
CHECK(byte_stream.write(uint64_t(0xA55A5AA55AA5A55AU)));
CHECK(byte_stream.write(uint64_t(0xFFFFFFFFFFFFFFFFU)));
// One too many.
CHECK(!byte_stream.write(uint64_t(0)));
for (size_t i = 0U; i < storage.size(); ++i)
{
CHECK_EQUAL(int(compare_data[i]), int(storage[i]));
}
}
//*************************************************************************
TEST(write_read_bool)
{
std::array<bool, 8> flags =
{
false, true, false, true, true, false, true, false
};
char storage[8];
etl::byte_stream_writer writer(storage, 8);
for (size_t i = 0U; i < flags.size(); ++i)
{
writer.write(flags[i]);
}
etl::byte_stream_reader reader(storage, 8);
for (size_t i = 0; i < flags.size(); ++i)
{
etl::optional<bool> flag;
CHECK(flag = reader.read<bool>());
CHECK_EQUAL(flags[i], flag.value());
}
}
//*************************************************************************
TEST(write_read_int8_t)
{
std::array<char, 4 * sizeof(int8_t)> storage;
std::array<int8_t, 4> put_data = { int8_t(0x01), int8_t(0x5A), int8_t(0xA5), int8_t(0xFF) };
std::array<etl::optional<int8_t>, 4> get_data = { int8_t(0x00), int8_t(0x00), int8_t(0x00), int8_t(0x00) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<int8_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<int8_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<int8_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<int8_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<int8_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<int8_t>());
CHECK(get_data[0] = reader.read<int8_t>());
CHECK_EQUAL(3U, reader.available<int8_t>());
CHECK_EQUAL(put_data[0], int(get_data[0].value()));
CHECK(get_data[1] = reader.read<int8_t>());
CHECK_EQUAL(2U, reader.available<int8_t>());
CHECK_EQUAL(put_data[1], int(get_data[1].value()));
CHECK(get_data[2] = reader.read<int8_t>());
CHECK_EQUAL(1U, reader.available<int8_t>());
CHECK_EQUAL(put_data[2], int(get_data[2].value()));
CHECK(get_data[3] = reader.read<int8_t>());
CHECK_EQUAL(0U, reader.available<int8_t>());
CHECK_EQUAL(put_data[3], int(get_data[3].value()));
}
//*************************************************************************
TEST(write_read_uint8_t)
{
std::array<char, 4 * sizeof(uint8_t)> storage;
std::array<uint8_t, 4> put_data = { uint8_t(0x01U), uint8_t(0x5AU), uint8_t(0xA5U), uint8_t(0xFFU) };
std::array<etl::optional<uint8_t>, 4> get_data = { uint8_t(0x00U), uint8_t(0x00U), uint8_t(0x00U), uint8_t(0x00U) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<uint8_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<uint8_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<uint8_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<uint8_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<uint8_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<uint8_t>());
CHECK(get_data[0] = reader.read<uint8_t>());
CHECK_EQUAL(3U, reader.available<uint8_t>());
CHECK_EQUAL(put_data[0], int(get_data[0].value()));
CHECK(get_data[1] = reader.read<uint8_t>());
CHECK_EQUAL(2U, reader.available<uint8_t>());
CHECK_EQUAL(put_data[1], int(get_data[1].value()));
CHECK(get_data[2] = reader.read<uint8_t>());
CHECK_EQUAL(1U, reader.available<uint8_t>());
CHECK_EQUAL(put_data[2], int(get_data[2].value()));
CHECK(get_data[3] = reader.read<uint8_t>());
CHECK_EQUAL(0U, reader.available<uint8_t>());
CHECK_EQUAL(put_data[3], int(get_data[3].value()));
}
//*************************************************************************
TEST(write_read_int16_t)
{
std::array<char, 4 * sizeof(int16_t)> storage;
std::array<int16_t, 4> put_data = { int16_t(0x0001), int16_t(0xA55A), int16_t(0x5AA5), int16_t(0xFFFF) };
std::array<etl::optional<int16_t>, 4> get_data = { int16_t(0x0000), int16_t(0x0000), int16_t(0x0000), int16_t(0x0000) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<int16_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<int16_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<int16_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<int16_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<int16_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<int16_t>());
CHECK(get_data[0] = reader.read<int16_t>());
CHECK_EQUAL(3U, reader.available<int16_t>());
CHECK_EQUAL(put_data[0], get_data[0].value());
CHECK(get_data[1] = reader.read<int16_t>());
CHECK_EQUAL(2U, reader.available<int16_t>());
CHECK_EQUAL(put_data[1], get_data[1].value());
CHECK(get_data[2] = reader.read<int16_t>());
CHECK_EQUAL(1U, reader.available<int16_t>());
CHECK_EQUAL(put_data[2], get_data[2].value());
CHECK(get_data[3] = reader.read<int16_t>());
CHECK_EQUAL(0U, reader.available<int16_t>());
CHECK_EQUAL(put_data[3], get_data[3].value());
}
//*************************************************************************
TEST(write_read_uint16_t)
{
std::array<char, 4 * sizeof(uint16_t)> storage;
std::array<uint16_t, 4> put_data = { uint16_t(0x0001U), uint16_t(0xA55AU), uint16_t(0x5AA5U), uint16_t(0xFFFFU) };
std::array<etl::optional<uint16_t>, 4> get_data = { uint16_t(0x0000U), uint16_t(0x0000U), uint16_t(0x0000U), uint16_t(0x0000U) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<uint16_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<uint16_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<uint16_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<uint16_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<uint16_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<uint16_t>());
CHECK(get_data[0] = reader.read<uint16_t>());
CHECK_EQUAL(3U, reader.available<uint16_t>());
CHECK_EQUAL(put_data[0], get_data[0].value());
CHECK(get_data[1] = reader.read<uint16_t>());
CHECK_EQUAL(2U, reader.available<uint16_t>());
CHECK_EQUAL(put_data[1], get_data[1].value());
CHECK(get_data[2] = reader.read<uint16_t>());
CHECK_EQUAL(1U, reader.available<uint16_t>());
CHECK_EQUAL(put_data[2], get_data[2].value());
CHECK(get_data[3] = reader.read<uint16_t>());
CHECK_EQUAL(0U, reader.available<uint16_t>());
CHECK_EQUAL(put_data[3], get_data[3].value());
}
//*************************************************************************
TEST(write_read_int32_t)
{
std::array<char, 4 * sizeof(int32_t)> storage;
std::array<int32_t, 4> put_data = { int32_t(0x00000001), int32_t(0xA55AA55A), int32_t(0x5AA55AA5), int32_t(0xFFFFFFFF) };
std::array<etl::optional<int32_t>, 4> get_data = { int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<int32_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<int32_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<int32_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<int32_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<int32_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<int32_t>());
CHECK(get_data[0] = reader.read<int32_t>());
CHECK_EQUAL(3U, reader.available<int32_t>());
CHECK_EQUAL(put_data[0], get_data[0].value());
CHECK(get_data[1] = reader.read<int32_t>());
CHECK_EQUAL(2U, reader.available<int32_t>());
CHECK_EQUAL(put_data[1], get_data[1].value());
CHECK(get_data[2] = reader.read<int32_t>());
CHECK_EQUAL(1U, reader.available<int32_t>());
CHECK_EQUAL(put_data[2], get_data[2].value());
CHECK(get_data[3] = reader.read<int32_t>());
CHECK_EQUAL(0U, reader.available<int32_t>());
CHECK_EQUAL(put_data[3], get_data[3].value());
}
//*************************************************************************
TEST(write_read_uint32_t)
{
std::array<char, 4 * sizeof(uint32_t)> storage;
std::array<uint32_t, 4> put_data = { uint32_t(0x00000001U), uint32_t(0xA55AA55AU), uint32_t(0x5AA55AA5U), uint32_t(0xFFFFFFFFU) };
std::array<etl::optional<uint32_t>, 4> get_data = { uint32_t(0x00000000U), uint32_t(0x00000000U), uint32_t(0x00000000U), uint32_t(0x00000000U) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<uint32_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<uint32_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<uint32_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<uint32_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<uint32_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<uint32_t>());
CHECK(get_data[0] = reader.read<uint32_t>());
CHECK_EQUAL(3U, reader.available<uint32_t>());
CHECK_EQUAL(put_data[0], get_data[0].value());
CHECK(get_data[1] = reader.read<uint32_t>());
CHECK_EQUAL(2U, reader.available<uint32_t>());
CHECK_EQUAL(put_data[1], get_data[1].value());
CHECK(get_data[2] = reader.read<uint32_t>());
CHECK_EQUAL(1U, reader.available<uint32_t>());
CHECK_EQUAL(put_data[2], get_data[2].value());
CHECK(get_data[3] = reader.read<uint32_t>());
CHECK_EQUAL(0U, reader.available<uint32_t>());
CHECK_EQUAL(put_data[3], get_data[3].value());
}
//*************************************************************************
TEST(write_read_int64_t)
{
std::array<char, 4 * sizeof(int64_t)> storage;
std::array<int64_t, 4> put_data = { int64_t(0x0000000000000001), int64_t(0xA55AA55AA55AA55A), int64_t(0x5AA55AA55AA55AA5), int64_t(0xFFFFFFFFFFFFFFFF) };
std::array<etl::optional<int64_t>, 4> get_data = { int64_t(0x0000000000000000), int64_t(0x0000000000000000), int64_t(0x0000000000000000), int64_t(0x0000000000000000) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<int64_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<int64_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<int64_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<int64_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<int64_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<int64_t>());
CHECK(get_data[0] = reader.read<int64_t>());
CHECK_EQUAL(3U, reader.available<int64_t>());
CHECK_EQUAL(put_data[0], get_data[0].value());
CHECK(get_data[1] = reader.read<int64_t>());
CHECK_EQUAL(2U, reader.available<int64_t>());
CHECK_EQUAL(put_data[1], get_data[1].value());
CHECK(get_data[2] = reader.read<int64_t>());
CHECK_EQUAL(1U, reader.available<int64_t>());
CHECK_EQUAL(put_data[2], get_data[2].value());
CHECK(get_data[3] = reader.read<int64_t>());
CHECK_EQUAL(0U, reader.available<int64_t>());
CHECK_EQUAL(put_data[3], get_data[3].value());
}
//*************************************************************************
TEST(write_read_uint64_t)
{
std::array<char, 4 * sizeof(uint64_t)> storage;
std::array<uint64_t, 4> put_data = { uint64_t(0x0000000000000001U), uint64_t(0xA55AA55AA55AA55AU), uint64_t(0x5AA55AA55AA55AA5U), uint64_t(0xFFFFFFFFFFFFFFFFU) };
std::array<etl::optional<uint64_t>, 4> get_data = { uint64_t(0x0000000000000000U), uint64_t(0x0000000000000000U), uint64_t(0x0000000000000000U), uint64_t(0x0000000000000000U) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
CHECK(writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(4U, writer.available<uint64_t>());
CHECK_EQUAL(0U, writer.size_bytes());
writer.write(put_data[0]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(3U, writer.available<uint64_t>());
writer.write(put_data[1]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(2U, writer.available<uint64_t>());
writer.write(put_data[2]);
CHECK(!writer.empty());
CHECK(!writer.full());
CHECK_EQUAL(1U, writer.available<uint64_t>());
writer.write(put_data[3]);
CHECK(!writer.empty());
CHECK(writer.full());
CHECK_EQUAL(0U, writer.available<uint64_t>());
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(!reader.empty());
CHECK_EQUAL(4U, reader.available<uint64_t>());
CHECK(get_data[0] = reader.read<uint64_t>());
CHECK_EQUAL(3U, reader.available<uint64_t>());
CHECK_EQUAL(put_data[0], get_data[0].value());
CHECK(get_data[1] = reader.read<uint64_t>());
CHECK_EQUAL(2U, reader.available<uint64_t>());
CHECK_EQUAL(put_data[1], get_data[1].value());
CHECK(get_data[2] = reader.read<uint64_t>());
CHECK_EQUAL(1U, reader.available<uint64_t>());
CHECK_EQUAL(put_data[2], get_data[2].value());
CHECK(get_data[3] = reader.read<uint64_t>());
CHECK_EQUAL(0U, reader.available<uint64_t>());
CHECK_EQUAL(put_data[3], get_data[3].value());
}
//*************************************************************************
TEST(write_read_char_range)
{
std::array<char, 5 * sizeof(char)> storage;
std::array<char, 4> put_data = { char(0x01), char(0x5A), char(0xA5), char(0xFF) };
etl::span<char> input(put_data.begin(), put_data.end());
etl::byte_stream_writer writer(storage.data(), storage.size());
CHECK(writer.write(input));
CHECK(writer.write(char(0x99))); // Write an extra value.
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
etl::optional<etl::span<const char>> output = reader.read<char>(4U);
CHECK_EQUAL(4U, output.value().size());
CHECK_EQUAL(int(put_data[0]), int(output.value()[0]));
CHECK_EQUAL(int(put_data[1]), int(output.value()[1]));
CHECK_EQUAL(int(put_data[2]), int(output.value()[2]));
CHECK_EQUAL(int(put_data[3]), int(output.value()[3]));
etl::optional<char> i = reader.read<char>(); // Read back the extra value to ensure that the current index is correct.
CHECK_EQUAL(int(char(0x99)), int(i.value()));
}
//*************************************************************************
TEST(write_read_int32_t_span_range)
{
std::array<char, 5 * sizeof(int32_t)> storage;
std::array<int32_t, 4> put_data = { int32_t(0x00000001), int32_t(0xA55AA55A), int32_t(0x5AA55AA5), int32_t(0xFFFFFFFF) };
std::array<int32_t, 4> get_data = { int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000) };
etl::span<int32_t> input(put_data.begin(), put_data.end());
etl::byte_stream_writer writer(storage.data(), storage.size());
CHECK(writer.write(input));
CHECK(writer.write(0x12345678)); // Write an extra value.
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
etl::span<int32_t> output(get_data.begin(), get_data.end());
etl::optional<etl::span<const int32_t> > result = reader.read<int32_t>(output);
CHECK(result.has_value());
CHECK_EQUAL(put_data[0], get_data[0]);
CHECK_EQUAL(put_data[1], get_data[1]);
CHECK_EQUAL(put_data[2], get_data[2]);
CHECK_EQUAL(put_data[3], get_data[3]);
etl::optional<int32_t> i = reader.read<int32_t>(); // Read back the extra value to ensure that the current index is correct.
CHECK_EQUAL(0x12345678, i.value());
}
//*************************************************************************
TEST(write_read_int32_t_start_length_range)
{
std::array<char, 5 * sizeof(int32_t)> storage;
std::array<int32_t, 4> put_data = { int32_t(0x00000001), int32_t(0xA55AA55A), int32_t(0x5AA55AA5), int32_t(0xFFFFFFFF) };
std::array<int32_t, 4> get_data = { int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000) };
etl::byte_stream_writer writer(storage.data(), storage.size());
CHECK(writer.write(put_data.data(), put_data.size()));
CHECK(writer.write(0x12345678)); // Write an extra value.
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
etl::optional<etl::span<const int32_t> > result = reader.read<int32_t>(get_data.data(), get_data.size());
CHECK(result.has_value());
CHECK_EQUAL(put_data[0], get_data[0]);
CHECK_EQUAL(put_data[1], get_data[1]);
CHECK_EQUAL(put_data[2], get_data[2]);
CHECK_EQUAL(put_data[3], get_data[3]);
etl::optional<int32_t> i = reader.read<int32_t>(); // Read back the extra value to ensure that the current index is correct.
CHECK_EQUAL(0x12345678, i.value());
}
//*************************************************************************
TEST(write_read_multiple)
{
char c1 = 90;
char c2 = -91;
unsigned short s1 = 23205;
unsigned short s2 = 42330;
int32_t i1 = 1520786085; // 0x5AA55AA5
int32_t i2 = -1520786086; // 0xA55AA55A
float f = 3.1415927f;
double d = 3.1415927;
std::array<char, 100> storage;
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream.
writer.write(c1);
writer.write(s1);
writer.write(i1);
writer.write(f);
writer.write(i2);
writer.write(d);
writer.write(s2);
writer.write(c2);
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
etl::optional<char> rc1;
etl::optional<char> rc2;
etl::optional<unsigned short> rs1;
etl::optional<unsigned short> rs2;
etl::optional<int32_t> ri1;
etl::optional<int32_t> ri2;
etl::optional<float> rf;
etl::optional<double> rd;
// Read them all back.
CHECK(rc1 = reader.read<char>());
CHECK_EQUAL(int(c1), int(rc1.value()));
CHECK(rs1 = reader.read<unsigned short>());
CHECK_EQUAL(s1, rs1.value());
CHECK(ri1 = reader.read<int32_t>());
CHECK_EQUAL(i1, ri1.value());
CHECK(rf = reader.read<float>());
CHECK_CLOSE(f, rf.value(), 0.1f);
CHECK(ri2 = reader.read<int32_t>());
CHECK_EQUAL(i2, ri2.value());
CHECK(rd = reader.read<double>());
CHECK_CLOSE(d, rd.value(), 0.1);
CHECK(rs2 = reader.read<unsigned short>());
CHECK_EQUAL(s2, rs2.value());
CHECK(rc2 = reader.read<char>());
CHECK_EQUAL(int(c2), int(rc2.value()));
}
//*************************************************************************
TEST(write_read_object)
{
std::array<char, 2 * sizeof(Object)> storage;
etl::byte_stream_writer writer(storage.data(), storage.size());
Object object1 = { -1234, 2.71578369, 250 };
Object object2 = { 5678, 5.24685744, 126 };
CHECK(etl::write(writer, object1));
CHECK(etl::write(writer, object2));
etl::optional<Object> object1a;
etl::optional<Object> object2a;
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(object1a = etl::read<Object>(reader));
CHECK(object2a = etl::read<Object>(reader));
CHECK_EQUAL(object1.i, object1a.value().i);
CHECK_EQUAL(object1.d, object1a.value().d);
CHECK_EQUAL(int(object1.c), int(object1a.value().c));
CHECK_EQUAL(object2.i, object2a.value().i);
CHECK_EQUAL(object2.d, object2a.value().d);
CHECK_EQUAL(int(object2.c), int(object2a.value().c));
}
//*************************************************************************
TEST(write_read_object_unchecked)
{
std::array<char, 2 * sizeof(Object)> storage;
etl::byte_stream_writer writer(storage.data(), storage.size());
Object object1 = { -1234, 2.71578369, 250 };
Object object2 = { 5678, 5.24685744, 126 };
etl::write_unchecked(writer, object1);
etl::write_unchecked(writer, object2);
Object object1a;
Object object2a;
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
object1a = etl::read_unchecked<Object>(reader);
object2a = etl::read_unchecked<Object>(reader);
CHECK_EQUAL(object1.i, object1a.i);
CHECK_EQUAL(object1.d, object1a.d);
CHECK_EQUAL(int(object1.c), int(object1a.c));
CHECK_EQUAL(object2.i, object2a.i);
CHECK_EQUAL(object2.d, object2a.d);
CHECK_EQUAL(int(object2.c), int(object2a.c));
}
//*************************************************************************
TEST(write_read_multiple_float)
{
float f = 3.1415927f;
double d = 3.1415927;
std::array<char, 12> storage;
etl::byte_stream_writer writer(storage.data(), storage.size());
writer.write(f);
writer.write(d);
etl::byte_stream_reader reader(storage.data(), storage.size());
etl::optional<float> rf;
etl::optional<double> rd;
CHECK(rf = reader.read<float>());
CHECK_CLOSE(f, rf.value(), 0.1f);
CHECK(rd = reader.read<double>());
CHECK_CLOSE(d, rd.value(), 0.1);
}
//*************************************************************************
TEST(write_read_int16_t_with_skip)
{
std::array<char, 4 * sizeof(int16_t)> storage;
std::array<int16_t, 4> put_data = { int16_t(0x0001), int16_t(0xA55A), int16_t(0x5AA5), int16_t(0xFFFF) };
std::array<etl::optional<int16_t>, 4> get_data = { int16_t(0x0000), int16_t(0x0000), int16_t(0x0000), int16_t(0x0000) };
etl::byte_stream_writer writer(storage.data(), storage.size());
// Insert into the stream
writer.write(put_data[0]);
writer.write(put_data[1]);
writer.write(put_data[2]);
writer.write(put_data[3]);
etl::byte_stream_reader reader(storage.data(), writer.size_bytes());
CHECK(get_data[0] = reader.read<int16_t>());
CHECK_EQUAL(put_data[0], int(get_data[0].value()));
// Skip two int16_t
CHECK(reader.skip<int16_t>(2U));
CHECK(get_data[3] = reader.read<int16_t>());
CHECK_EQUAL(put_data[3], int(get_data[3].value()));
CHECK_EQUAL(int16_t(0x0000), int(get_data[1].value()));
CHECK_EQUAL(int16_t(0x0000), int(get_data[2].value()));
reader.restart();
// Skip five int16_t (too many)
CHECK(!reader.skip<int16_t>(5U));
}
//*************************************************************************
TEST(read_span_int32_t)
{
std::array<char, 4 * sizeof(int32_t)> storage;
std::array<int32_t, 4> put_data = { int32_t(0x00000001), int32_t(0xA55AA55A), int32_t(0x5AA55AA5), int32_t(0xFFFFFFFF) };
std::array<int32_t, 4> get_data = { int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000), int32_t(0x00000000) };
etl::span<int32_t> input(put_data.begin(), put_data.end());
etl::byte_stream_writer writer(storage.data(), storage.size());
writer.write(input);
const char* read_only_storage = reinterpret_cast<const char*>(storage.data());
etl::byte_stream_reader reader(read_only_storage, storage.size() * sizeof(int32_t));
etl::optional<etl::span<const int32_t> > result = reader.read(etl::span<int32_t>(get_data.begin(), get_data.end()));
CHECK(result.has_value());
CHECK_EQUAL(int32_t(0x00000001), result.value()[0]);
CHECK_EQUAL(int32_t(0xA55AA55A), result.value()[1]);
CHECK_EQUAL(int32_t(0x5AA55AA5), result.value()[2]);
CHECK_EQUAL(int32_t(0xFFFFFFFF), result.value()[3]);
CHECK_EQUAL(int32_t(0x00000001), get_data[0]);
CHECK_EQUAL(int32_t(0xA55AA55A), get_data[1]);
CHECK_EQUAL(int32_t(0x5AA55AA5), get_data[2]);
CHECK_EQUAL(int32_t(0xFFFFFFFF), get_data[3]);
}
};
}
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