carla/LibCarla/source/test/common/test_buffer.cpp

137 lines
4.2 KiB
C++

// Copyright (c) 2017 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
#include "test.h"
#include <carla/Buffer.h>
#include <carla/BufferPool.h>
#include <array>
#include <list>
#include <set>
#include <string>
#include <vector>
using namespace util::buffer;
TEST(buffer, compile) {
carla::Buffer buffer;
{ std::array<boost::asio::const_buffer, 3u> s; buffer.copy_from(s); }
{ std::array<boost::asio::mutable_buffer, 3u> s; buffer.copy_from(s); }
{ std::vector<boost::asio::const_buffer> s; buffer.copy_from(s); }
{ std::vector<boost::asio::mutable_buffer> s; buffer.copy_from(s); }
{ std::list<boost::asio::const_buffer> s; buffer.copy_from(s); }
{ std::list<boost::asio::mutable_buffer> s; buffer.copy_from(s); }
{ std::set<boost::asio::const_buffer> s; buffer.copy_from(s); }
{ std::set<boost::asio::mutable_buffer> s; buffer.copy_from(s); }
{ boost::asio::const_buffer v; buffer.copy_from(v); }
{ boost::asio::mutable_buffer v; buffer.copy_from(v); }
{ int v[3u]; buffer.copy_from(v); }
{ std::vector<int> v; buffer.copy_from(v); }
{ std::string v; buffer.copy_from(v); }
{ std::wstring v; buffer.copy_from(v); }
{ struct C { int x = 0; } v[3u]; buffer.copy_from(v); }
{ struct C { int x = 0; }; std::array<C, 3u> v; buffer.copy_from(v); }
{ struct C { int x = 0; }; std::vector<C> v; buffer.copy_from(v); }
}
TEST(buffer, copy_buffer_sequence) {
constexpr auto number_of_buffers = 15u;
const std::string str = "WXdI<x->+<If$ua>$pu1AUBmS]?_PT{3z$B7L(E|?$]";
std::string message;
std::array<Buffer, number_of_buffers> buffers;
std::array<boost::asio::const_buffer, number_of_buffers> sequence;
for (auto i = 0u; i < number_of_buffers; ++i) {
message += str;
buffers[i].copy_from(str);
sequence[i] = buffers[i].buffer();
}
auto result = Buffer(sequence);
ASSERT_EQ(result.size(), message.size());
auto result_str = as_string(result);
ASSERT_EQ(result_str, message);
}
TEST(buffer, to_from_string) {
const std::string str = "The quick brown fox jumps over the lazy dog";
Buffer buffer(str);
ASSERT_EQ(buffer.size(), str.size());
const std::string result = as_string(buffer);
ASSERT_EQ(result, str);
}
TEST(buffer, to_from_vector) {
constexpr auto size = 1000u;
using T = size_t;
std::vector<T> v;
v.reserve(size);
for (auto i = 0u; i < size; ++i) {
v.emplace_back(i);
}
Buffer buffer(v);
ASSERT_EQ(buffer.size(), sizeof(T) * size);
auto begin = reinterpret_cast<const T *>(buffer.data());
std::vector<T> result(begin, begin + size);
ASSERT_EQ(result, v);
}
TEST(buffer, copy) {
auto msg = make_random(1024u);
auto cpy = make_empty();
cpy->copy_from(*msg);
ASSERT_EQ(msg->size(), cpy->size());
ASSERT_EQ(*cpy, *msg);
}
TEST(buffer, copy_with_offset) {
const char str0[] = "Hello";
const char str1[] = "buffer!";
Buffer buffer;
auto offset = static_cast<Buffer::size_type>(sizeof(str0));
buffer.copy_from(
offset,
reinterpret_cast<const unsigned char *>(&str1),
std::strlen(str1));
std::memcpy(buffer.data(), str0, std::strlen(str0));
buffer[std::strlen(str0)] = ' ';
auto str = std::string(str0) + " " + str1;
ASSERT_EQ(buffer.size(), str.size());
ASSERT_EQ(as_string(buffer), str.c_str());
}
TEST(buffer, memcpy) {
auto msg = make_random(1024u);
auto cpy = make_empty(msg->size());
ASSERT_EQ(msg->size(), cpy->size());
auto buffer = cpy->buffer();
std::memcpy(buffer.data(), msg->data(), buffer.size());
ASSERT_EQ(*cpy, *msg);
}
#ifndef LIBCARLA_NO_EXCEPTIONS
TEST(buffer, message_too_big) {
ASSERT_THROW(Buffer(4294967296ul), std::invalid_argument);
Buffer buf;
ASSERT_THROW(buf.reset(4294967296ul), std::invalid_argument);
}
#endif // LIBCARLA_NO_EXCEPTIONS
TEST(buffer, buffer_pool) {
const std::string str = "Hello buffer!";
auto pool = std::make_shared<carla::BufferPool>();
{
auto buff = pool->Pop();
buff.copy_from(str);
}
auto buff1 = pool->Pop();
ASSERT_EQ(as_string(buff1), str);
auto buff2 = pool->Pop();
ASSERT_NE(as_string(buff2), str);
// Now delete the pool to test the weak reference inside the buffers.
pool.reset();
}