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//
// connect_pipe.cpp
// ~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Disable autolinking for unit tests.
#if !defined(BOOST_ALL_NO_LIB)
#define BOOST_ALL_NO_LIB 1
#endif // !defined(BOOST_ALL_NO_LIB)
// Test that header file is self-contained.
#include <boost/asio/connect_pipe.hpp>
#include <functional>
#include <string>
#include <boost/asio/io_context.hpp>
#include <boost/asio/read.hpp>
#include <boost/asio/readable_pipe.hpp>
#include <boost/asio/writable_pipe.hpp>
#include <boost/asio/write.hpp>
#include "unit_test.hpp"
//------------------------------------------------------------------------------
// connect_pipe_compile test
// ~~~~~~~~~~~~~~~~~~~~~~~~~
// The following test checks that all connect_pipe functions compile and link
// correctly. Runtime failures are ignored.
namespace connect_pipe_compile {
void test()
{
#if defined(BOOST_ASIO_HAS_PIPE)
using namespace boost::asio;
try
{
boost::asio::io_context io_context;
boost::system::error_code ec1;
readable_pipe p1(io_context);
writable_pipe p2(io_context);
connect_pipe(p1, p2);
readable_pipe p3(io_context);
writable_pipe p4(io_context);
connect_pipe(p3, p4, ec1);
}
catch (std::exception&)
{
}
#endif // defined(BOOST_ASIO_HAS_PIPE)
}
} // namespace connect_pipe_compile
//------------------------------------------------------------------------------
// connect_pipe_runtime test
// ~~~~~~~~~~~~~~~~~~~~~~~~~
// The following test checks that connect_pipe operates correctly at runtime.
namespace connect_pipe_runtime {
static const char write_data[]
= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
void handle_read(const boost::system::error_code& err,
size_t bytes_transferred, bool* called)
{
*called = true;
BOOST_ASIO_CHECK(!err);
BOOST_ASIO_CHECK(bytes_transferred == sizeof(write_data));
}
void handle_write(const boost::system::error_code& err,
size_t bytes_transferred, bool* called)
{
*called = true;
BOOST_ASIO_CHECK(!err);
BOOST_ASIO_CHECK(bytes_transferred == sizeof(write_data));
}
void test()
{
#if defined(BOOST_ASIO_HAS_PIPE)
using namespace std; // For memcmp.
using namespace boost::asio;
namespace bindns = std;
using bindns::placeholders::_1;
using bindns::placeholders::_2;
try
{
boost::asio::io_context io_context;
readable_pipe p1(io_context);
writable_pipe p2(io_context);
connect_pipe(p1, p2);
std::string data1 = write_data;
boost::asio::write(p2, boost::asio::buffer(data1));
std::string data2;
data2.resize(data1.size());
boost::asio::read(p1, boost::asio::buffer(data2));
BOOST_ASIO_CHECK(data1 == data2);
char read_buffer[sizeof(write_data)];
bool read_completed = false;
boost::asio::async_read(p1,
boost::asio::buffer(read_buffer),
bindns::bind(handle_read,
_1, _2, &read_completed));
bool write_completed = false;
boost::asio::async_write(p2,
boost::asio::buffer(write_data),
bindns::bind(handle_write,
_1, _2, &write_completed));
io_context.run();
BOOST_ASIO_CHECK(read_completed);
BOOST_ASIO_CHECK(write_completed);
BOOST_ASIO_CHECK(memcmp(read_buffer, write_data, sizeof(write_data)) == 0);
}
catch (std::exception&)
{
BOOST_ASIO_CHECK(false);
}
#endif // defined(BOOST_ASIO_HAS_PIPE)
}
} // namespace connect_pipe_compile
//------------------------------------------------------------------------------
BOOST_ASIO_TEST_SUITE
(
"connect_pipe",
BOOST_ASIO_COMPILE_TEST_CASE(connect_pipe_compile::test)
BOOST_ASIO_TEST_CASE(connect_pipe_runtime::test)
)
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