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//
// redirect_error.cpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2023 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/redirect_error.hpp>
#include <boost/asio/bind_executor.hpp>
#include <boost/asio/deferred.hpp>
#include <boost/asio/io_context.hpp>
#include <boost/asio/post.hpp>
#include <boost/asio/system_timer.hpp>
#include <boost/asio/use_future.hpp>
#include "unit_test.hpp"
struct redirect_error_handler
{
int* count_;
explicit redirect_error_handler(int* c)
: count_(c)
{
}
void operator()()
{
++(*count_);
}
};
void redirect_error_test()
{
boost::asio::io_context io1;
boost::asio::io_context io2;
boost::asio::system_timer timer1(io1);
boost::system::error_code ec = boost::asio::error::would_block;
int count = 0;
timer1.expires_after(boost::asio::chrono::seconds(0));
timer1.async_wait(
boost::asio::redirect_error(
boost::asio::bind_executor(io2.get_executor(),
redirect_error_handler(&count)), ec));
BOOST_ASIO_CHECK(ec == boost::asio::error::would_block);
BOOST_ASIO_CHECK(count == 0);
io1.run();
BOOST_ASIO_CHECK(ec == boost::asio::error::would_block);
BOOST_ASIO_CHECK(count == 0);
io2.run();
BOOST_ASIO_CHECK(!ec);
BOOST_ASIO_CHECK(count == 1);
#if defined(BOOST_ASIO_HAS_STD_TUPLE) \
&& defined(BOOST_ASIO_HAS_DECLTYPE) \
&& defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
ec = boost::asio::error::would_block;
timer1.async_wait(
boost::asio::redirect_error(
boost::asio::bind_executor(io2.get_executor(),
boost::asio::deferred), ec))(redirect_error_handler(&count));
BOOST_ASIO_CHECK(ec == boost::asio::error::would_block);
BOOST_ASIO_CHECK(count == 1);
io1.restart();
io1.run();
BOOST_ASIO_CHECK(ec == boost::asio::error::would_block);
BOOST_ASIO_CHECK(count == 1);
io2.restart();
io2.run();
BOOST_ASIO_CHECK(!ec);
BOOST_ASIO_CHECK(count == 2);
#endif // defined(BOOST_ASIO_HAS_STD_TUPLE)
// && defined(BOOST_ASIO_HAS_DECLTYPE)
// && defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
#if defined(BOOST_ASIO_HAS_STD_FUTURE_CLASS)
ec = boost::asio::error::would_block;
std::future<void> f = timer1.async_wait(
boost::asio::redirect_error(
boost::asio::bind_executor(io2.get_executor(),
boost::asio::use_future), ec));
BOOST_ASIO_CHECK(ec == boost::asio::error::would_block);
BOOST_ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::timeout);
io1.restart();
io1.run();
BOOST_ASIO_CHECK(ec == boost::asio::error::would_block);
BOOST_ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::timeout);
io2.restart();
io2.run();
BOOST_ASIO_CHECK(!ec);
BOOST_ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::ready);
#endif // defined(BOOST_ASIO_HAS_STD_FUTURE_CLASS)
}
BOOST_ASIO_TEST_SUITE
(
"redirect_error",
BOOST_ASIO_TEST_CASE(redirect_error_test)
)
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