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//
// as_tuple.cpp
// ~~~~~~~~~~~~
//
// Copyright (c) 2003-2024 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 "asio/as_tuple.hpp"
#include "asio/bind_executor.hpp"
#include "asio/deferred.hpp"
#include "asio/io_context.hpp"
#include "asio/post.hpp"
#include "asio/system_timer.hpp"
#include "asio/use_future.hpp"
#include "unit_test.hpp"
void as_tuple_test()
{
asio::io_context io1;
asio::io_context io2;
asio::system_timer timer1(io1);
int count = 0;
timer1.expires_after(asio::chrono::seconds(0));
timer1.async_wait(
asio::as_tuple(
asio::bind_executor(io2.get_executor(),
[&count](std::tuple<asio::error_code>)
{
++count;
})));
ASIO_CHECK(count == 0);
io1.run();
ASIO_CHECK(count == 0);
io2.run();
ASIO_CHECK(count == 1);
timer1.async_wait(
asio::as_tuple(
asio::bind_executor(io2.get_executor(),
asio::deferred)))(
[&count](std::tuple<asio::error_code>)
{
++count;
});
ASIO_CHECK(count == 1);
io1.restart();
io1.run();
ASIO_CHECK(count == 1);
io2.restart();
io2.run();
ASIO_CHECK(count == 2);
# if defined(ASIO_HAS_STD_FUTURE_CLASS)
std::future<std::tuple<asio::error_code> > f = timer1.async_wait(
asio::as_tuple(
asio::bind_executor(io2.get_executor(),
asio::use_future)));
ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::timeout);
io1.restart();
io1.run();
ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::timeout);
io2.restart();
io2.run();
ASIO_CHECK(f.wait_for(std::chrono::seconds(0))
== std::future_status::ready);
# endif // defined(ASIO_HAS_STD_FUTURE_CLASS)
}
void as_tuple_constness_test()
{
# if defined(ASIO_HAS_STD_FUTURE_CLASS)
asio::io_context io1;
asio::system_timer timer1(io1);
auto tok1 = asio::as_tuple(asio::use_future);
(void)timer1.async_wait(tok1);
(void)timer1.async_wait(std::move(tok1));
const auto tok2 = asio::as_tuple(asio::use_future);
(void)timer1.async_wait(tok2);
(void)timer1.async_wait(std::move(tok2));
constexpr auto tok3 = asio::as_tuple(asio::use_future);
(void)timer1.async_wait(tok3);
(void)timer1.async_wait(std::move(tok3));
# endif // defined(ASIO_HAS_STD_FUTURE_CLASS)
}
ASIO_TEST_SUITE
(
"as_tuple",
ASIO_TEST_CASE(as_tuple_test)
ASIO_COMPILE_TEST_CASE(as_tuple_constness_test)
)
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