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//
// system_executor.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)
// Prevent link dependency on the Boost.System library.
#if !defined(BOOST_SYSTEM_NO_DEPRECATED)
#define BOOST_SYSTEM_NO_DEPRECATED
#endif // !defined(BOOST_SYSTEM_NO_DEPRECATED)
// Test that header file is self-contained.
#include <boost/asio/system_executor.hpp>
#include <boost/asio/dispatch.hpp>
#include <boost/asio/post.hpp>
#include "unit_test.hpp"
#if defined(BOOST_ASIO_HAS_BOOST_BIND)
# include <boost/bind/bind.hpp>
#else // defined(BOOST_ASIO_HAS_BOOST_BIND)
# include <functional>
#endif // defined(BOOST_ASIO_HAS_BOOST_BIND)
using namespace boost::asio;
#if defined(BOOST_ASIO_HAS_BOOST_BIND)
namespace bindns = boost;
#else // defined(BOOST_ASIO_HAS_BOOST_BIND)
namespace bindns = std;
#endif
void increment(boost::asio::detail::atomic_count* count)
{
++(*count);
}
void system_executor_query_test()
{
BOOST_ASIO_CHECK(
&boost::asio::query(system_executor(),
boost::asio::execution::context)
!= static_cast<const system_context*>(0));
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::blocking)
== boost::asio::execution::blocking.possibly);
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::blocking.possibly)
== boost::asio::execution::blocking.possibly);
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::outstanding_work)
== boost::asio::execution::outstanding_work.untracked);
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::outstanding_work.untracked)
== boost::asio::execution::outstanding_work.untracked);
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::relationship)
== boost::asio::execution::relationship.fork);
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::relationship.fork)
== boost::asio::execution::relationship.fork);
#if !defined(BOOST_ASIO_NO_DEPRECATED)
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::bulk_guarantee)
== boost::asio::execution::bulk_guarantee.unsequenced);
#endif // !defined(BOOST_ASIO_NO_DEPRECATED)
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::mapping)
== boost::asio::execution::mapping.thread);
BOOST_ASIO_CHECK(
boost::asio::query(system_executor(),
boost::asio::execution::allocator)
== std::allocator<void>());
}
void system_executor_execute_test()
{
boost::asio::detail::atomic_count count(0);
system_executor().execute(bindns::bind(increment, &count));
boost::asio::require(system_executor(),
boost::asio::execution::blocking.possibly
).execute(bindns::bind(increment, &count));
boost::asio::require(system_executor(),
boost::asio::execution::blocking.always
).execute(bindns::bind(increment, &count));
boost::asio::require(system_executor(),
boost::asio::execution::blocking.never
).execute(bindns::bind(increment, &count));
boost::asio::require(system_executor(),
boost::asio::execution::blocking.never,
boost::asio::execution::outstanding_work.untracked
).execute(bindns::bind(increment, &count));
boost::asio::require(system_executor(),
boost::asio::execution::blocking.never,
boost::asio::execution::outstanding_work.untracked,
boost::asio::execution::relationship.fork
).execute(bindns::bind(increment, &count));
boost::asio::require(system_executor(),
boost::asio::execution::blocking.never,
boost::asio::execution::outstanding_work.untracked,
boost::asio::execution::relationship.continuation
).execute(bindns::bind(increment, &count));
boost::asio::prefer(
boost::asio::require(system_executor(),
boost::asio::execution::blocking.never,
boost::asio::execution::outstanding_work.untracked,
boost::asio::execution::relationship.continuation),
boost::asio::execution::allocator(std::allocator<void>())
).execute(bindns::bind(increment, &count));
boost::asio::prefer(
boost::asio::require(system_executor(),
boost::asio::execution::blocking.never,
boost::asio::execution::outstanding_work.untracked,
boost::asio::execution::relationship.continuation),
boost::asio::execution::allocator
).execute(bindns::bind(increment, &count));
boost::asio::query(system_executor(), execution::context).join();
BOOST_ASIO_CHECK(count == 9);
}
BOOST_ASIO_TEST_SUITE
(
"system_executor",
BOOST_ASIO_TEST_CASE(system_executor_query_test)
BOOST_ASIO_TEST_CASE(system_executor_execute_test)
)
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