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//
// executor.cpp
// ~~~~~~~~~~~~
//
// Copyright (c) 2003-2025 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/execution/executor.hpp>
#include "../unit_test.hpp"
struct not_an_executor
{
};
struct executor
{
executor()
{
}
executor(const executor&) noexcept
{
}
executor(executor&&) noexcept
{
}
template <typename F>
void execute(F&& f) const noexcept
{
(void)f;
}
bool operator==(const executor&) const noexcept
{
return true;
}
bool operator!=(const executor&) const noexcept
{
return false;
}
};
namespace boost {
namespace asio {
namespace traits {
#if !defined(BOOST_ASIO_HAS_DEDUCED_EXECUTE_MEMBER_TRAIT)
template <typename F>
struct execute_member<executor, F>
{
static constexpr bool is_valid = true;
static constexpr bool is_noexcept = true;
typedef void result_type;
};
#endif // !defined(BOOST_ASIO_HAS_DEDUCED_SET_ERROR_MEMBER_TRAIT)
#if !defined(BOOST_ASIO_HAS_DEDUCED_EQUALITY_COMPARABLE_TRAIT)
template <>
struct equality_comparable<executor>
{
static constexpr bool is_valid = true;
static constexpr bool is_noexcept = true;
};
#endif // !defined(BOOST_ASIO_HAS_DEDUCED_EQUALITY_COMPARABLE_TRAIT)
} // namespace traits
} // namespace asio
} // namespace boost
void is_executor_test()
{
BOOST_ASIO_CHECK((
!boost::asio::execution::is_executor<
void
>::value));
BOOST_ASIO_CHECK((
!boost::asio::execution::is_executor<
not_an_executor
>::value));
BOOST_ASIO_CHECK((
boost::asio::execution::is_executor<
executor
>::value));
}
BOOST_ASIO_TEST_SUITE
(
"executor",
BOOST_ASIO_TEST_CASE(is_executor_test)
)
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