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//
// as_tuple.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/as_tuple.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"
void as_tuple_test()
{
#if defined(BOOST_ASIO_HAS_STD_TUPLE) \
&& defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
boost::asio::io_context io1;
boost::asio::io_context io2;
boost::asio::system_timer timer1(io1);
int count = 0;
timer1.expires_after(boost::asio::chrono::seconds(0));
timer1.async_wait(
boost::asio::as_tuple(
boost::asio::bind_executor(io2.get_executor(),
[&count](std::tuple<boost::system::error_code>)
{
++count;
})));
BOOST_ASIO_CHECK(count == 0);
io1.run();
BOOST_ASIO_CHECK(count == 0);
io2.run();
BOOST_ASIO_CHECK(count == 1);
# if defined(BOOST_ASIO_HAS_DECLTYPE)
timer1.async_wait(
boost::asio::as_tuple(
boost::asio::bind_executor(io2.get_executor(),
boost::asio::deferred)))(
[&count](std::tuple<boost::system::error_code>)
{
++count;
});
BOOST_ASIO_CHECK(count == 1);
io1.restart();
io1.run();
BOOST_ASIO_CHECK(count == 1);
io2.restart();
io2.run();
BOOST_ASIO_CHECK(count == 2);
# endif // defined(BOOST_ASIO_HAS_DECLTYPE)
# if defined(BOOST_ASIO_HAS_STD_FUTURE_CLASS)
std::future<std::tuple<boost::system::error_code> > f = timer1.async_wait(
boost::asio::as_tuple(
boost::asio::bind_executor(io2.get_executor(),
boost::asio::use_future)));
BOOST_ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::timeout);
io1.restart();
io1.run();
BOOST_ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::timeout);
io2.restart();
io2.run();
BOOST_ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::ready);
# endif // defined(BOOST_ASIO_HAS_STD_FUTURE_CLASS)
#endif // defined(BOOST_ASIO_HAS_STD_TUPLE)
// && defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
}
void as_tuple_constness_test()
{
#if defined(BOOST_ASIO_HAS_STD_TUPLE) \
&& defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
# if defined(BOOST_ASIO_HAS_STD_FUTURE_CLASS)
boost::asio::io_context io1;
boost::asio::system_timer timer1(io1);
auto tok1 = boost::asio::as_tuple(boost::asio::use_future);
(void)timer1.async_wait(tok1);
(void)timer1.async_wait(std::move(tok1));
const auto tok2 = boost::asio::as_tuple(boost::asio::use_future);
(void)timer1.async_wait(tok2);
(void)timer1.async_wait(std::move(tok2));
# if defined(BOOST_ASIO_HAS_CONSTEXPR)
constexpr auto tok3 = boost::asio::as_tuple(boost::asio::use_future);
(void)timer1.async_wait(tok3);
(void)timer1.async_wait(std::move(tok3));
# endif // defined(BOOST_ASIO_HAS_CONSTEXPR)
# endif // defined(BOOST_ASIO_HAS_STD_FUTURE_CLASS)
#endif // defined(BOOST_ASIO_HAS_STD_TUPLE)
// && defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
}
BOOST_ASIO_TEST_SUITE
(
"as_tuple",
BOOST_ASIO_TEST_CASE(as_tuple_test)
BOOST_ASIO_COMPILE_TEST_CASE(as_tuple_constness_test)
)
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