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//
// bind_immediate_executor.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/bind_immediate_executor.hpp"
#include <functional>
#include "asio/dispatch.hpp"
#include "asio/io_context.hpp"
#include "unit_test.hpp"
#if defined(ASIO_HAS_BOOST_DATE_TIME)
# include "asio/deadline_timer.hpp"
#else // defined(ASIO_HAS_BOOST_DATE_TIME)
# include "asio/steady_timer.hpp"
#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
using namespace asio;
namespace bindns = std;
struct initiate_immediate
{
template <typename Handler>
void operator()(Handler&& handler, io_context* ctx) const
{
typename associated_immediate_executor<
Handler, io_context::executor_type>::type ex =
get_associated_immediate_executor(handler, ctx->get_executor());
dispatch(ex, static_cast<Handler&&>(handler));
}
};
template <ASIO_COMPLETION_TOKEN_FOR(void()) Token>
ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(Token, void())
async_immediate(io_context& ctx, Token&& token)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<Token, void()>(declval<initiate_immediate>(), token)))
{
return async_initiate<Token, void()>(initiate_immediate(), token, &ctx);
}
void increment(int* count)
{
++(*count);
}
void bind_immediate_executor_to_function_object_test()
{
io_context ioc1;
io_context ioc2;
int count = 0;
async_immediate(ioc1,
bind_immediate_executor(
ioc2.get_executor(),
bindns::bind(&increment, &count)));
ioc1.run();
ASIO_CHECK(count == 0);
ioc2.run();
ASIO_CHECK(count == 1);
async_immediate(ioc1,
bind_immediate_executor(
ioc2.get_executor(),
bind_immediate_executor(
asio::system_executor(),
bindns::bind(&increment, &count))));
ioc1.restart();
ioc1.run();
ASIO_CHECK(count == 1);
ioc2.restart();
ioc2.run();
ASIO_CHECK(count == 2);
}
struct incrementer_token_v1
{
explicit incrementer_token_v1(int* c) : count(c) {}
int* count;
};
struct incrementer_handler_v1
{
explicit incrementer_handler_v1(incrementer_token_v1 t) : count(t.count) {}
void operator()(){ increment(count); }
int* count;
};
namespace asio {
template <>
class async_result<incrementer_token_v1, void()>
{
public:
typedef incrementer_handler_v1 completion_handler_type;
typedef void return_type;
explicit async_result(completion_handler_type&) {}
return_type get() {}
};
} // namespace asio
void bind_immediate_executor_to_completion_token_v1_test()
{
io_context ioc1;
io_context ioc2;
int count = 0;
async_immediate(ioc1,
bind_immediate_executor(
ioc2.get_executor(),
incrementer_token_v1(&count)));
ioc1.run();
ASIO_CHECK(count == 0);
ioc2.run();
ASIO_CHECK(count == 1);
}
struct incrementer_token_v2
{
explicit incrementer_token_v2(int* c) : count(c) {}
int* count;
};
namespace asio {
template <>
class async_result<incrementer_token_v2, void()>
{
public:
#if !defined(ASIO_HAS_RETURN_TYPE_DEDUCTION)
typedef void return_type;
#endif // !defined(ASIO_HAS_RETURN_TYPE_DEDUCTION)
template <typename Initiation, typename... Args>
static void initiate(Initiation initiation,
incrementer_token_v2 token, Args&&... args)
{
initiation(bindns::bind(&increment, token.count),
static_cast<Args&&>(args)...);
}
};
} // namespace asio
void bind_immediate_executor_to_completion_token_v2_test()
{
io_context ioc1;
io_context ioc2;
int count = 0;
async_immediate(ioc1,
bind_immediate_executor(
ioc2.get_executor(),
incrementer_token_v2(&count)));
ioc1.run();
ASIO_CHECK(count == 0);
ioc2.run();
ASIO_CHECK(count == 1);
}
ASIO_TEST_SUITE
(
"bind_immediate_executor",
ASIO_TEST_CASE(bind_immediate_executor_to_function_object_test)
ASIO_TEST_CASE(bind_immediate_executor_to_completion_token_v1_test)
ASIO_TEST_CASE(bind_immediate_executor_to_completion_token_v2_test)
)
|