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//
// config.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/config.hpp>
#include <boost/asio/io_context.hpp>
#include <cstdlib>
#include "unit_test.hpp"
void config_from_string_test()
{
boost::asio::io_context ctx1(
boost::asio::config_from_string(
"scheduler.concurrency_hint=123\n"
" scheduler.locking = 1 \n"
"# comment\n"
"garbage\n"
"reactor.registration_locking= 0 # comment\n"
"reactor.io_locking=1"));
boost::asio::config cfg1(ctx1);
BOOST_ASIO_CHECK(cfg1.get("scheduler", "concurrency_hint", 0) == 123);
BOOST_ASIO_CHECK(cfg1.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg1.get("reactor", "registration_locking", true) == false);
BOOST_ASIO_CHECK(cfg1.get("reactor", "io_locking", false) == true);
boost::asio::io_context ctx2(
boost::asio::config_from_string(
"prefix.scheduler.concurrency_hint=456\n"
" prefix.scheduler.locking = 1 \n"
"# comment\n"
"garbage\n"
"prefix.reactor.registration_locking= 0 # comment\n"
"prefix.reactor.io_locking=1",
"prefix"));
boost::asio::config cfg2(ctx2);
BOOST_ASIO_CHECK(cfg2.get("scheduler", "concurrency_hint", 0) == 456);
BOOST_ASIO_CHECK(cfg2.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg2.get("reactor", "registration_locking", true) == false);
BOOST_ASIO_CHECK(cfg2.get("reactor", "io_locking", false) == true);
}
void config_from_concurrency_hint_test()
{
boost::asio::io_context ctx0;
boost::asio::config cfg0(ctx0);
BOOST_ASIO_CHECK(cfg0.get("scheduler", "concurrency_hint", 0) == -1);
BOOST_ASIO_CHECK(cfg0.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg0.get("reactor", "registration_locking", true) == true);
BOOST_ASIO_CHECK(cfg0.get("reactor", "io_locking", false) == true);
boost::asio::io_context ctx1(0);
boost::asio::config cfg1(ctx1);
BOOST_ASIO_CHECK(cfg1.get("scheduler", "concurrency_hint", 0) == 0);
BOOST_ASIO_CHECK(cfg1.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg1.get("reactor", "registration_locking", true) == true);
BOOST_ASIO_CHECK(cfg1.get("reactor", "io_locking", false) == true);
boost::asio::io_context ctx2(1);
boost::asio::config cfg2(ctx2);
BOOST_ASIO_CHECK(cfg2.get("scheduler", "concurrency_hint", 0) == 1);
BOOST_ASIO_CHECK(cfg2.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg2.get("reactor", "registration_locking", true) == true);
BOOST_ASIO_CHECK(cfg2.get("reactor", "io_locking", false) == true);
boost::asio::io_context ctx3(42);
boost::asio::config cfg3(ctx3);
BOOST_ASIO_CHECK(cfg3.get("scheduler", "concurrency_hint", 0) == 42);
BOOST_ASIO_CHECK(cfg3.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg3.get("reactor", "registration_locking", true) == true);
BOOST_ASIO_CHECK(cfg3.get("reactor", "io_locking", false) == true);
boost::asio::io_context ctx4(BOOST_ASIO_CONCURRENCY_HINT_UNSAFE);
boost::asio::config cfg4(ctx4);
BOOST_ASIO_CHECK(cfg4.get("scheduler", "concurrency_hint", 0) == 1);
BOOST_ASIO_CHECK(cfg4.get("scheduler", "locking", false) == false);
BOOST_ASIO_CHECK(cfg4.get("reactor", "registration_locking", true) == false);
BOOST_ASIO_CHECK(cfg4.get("reactor", "io_locking", false) == false);
boost::asio::io_context ctx5(BOOST_ASIO_CONCURRENCY_HINT_UNSAFE_IO);
boost::asio::config cfg5(ctx5);
BOOST_ASIO_CHECK(cfg5.get("scheduler", "concurrency_hint", 0) == 1);
BOOST_ASIO_CHECK(cfg5.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg5.get("reactor", "registration_locking", true) == true);
BOOST_ASIO_CHECK(cfg5.get("reactor", "io_locking", false) == false);
boost::asio::io_context ctx6(BOOST_ASIO_CONCURRENCY_HINT_SAFE);
boost::asio::config cfg6(ctx6);
BOOST_ASIO_CHECK(cfg6.get("scheduler", "concurrency_hint", 0) == -1);
BOOST_ASIO_CHECK(cfg6.get("scheduler", "locking", false) == true);
BOOST_ASIO_CHECK(cfg6.get("reactor", "registration_locking", true) == true);
BOOST_ASIO_CHECK(cfg6.get("reactor", "io_locking", false) == true);
}
BOOST_ASIO_TEST_SUITE
(
"config",
BOOST_ASIO_TEST_CASE(config_from_string_test)
BOOST_ASIO_TEST_CASE(config_from_concurrency_hint_test)
)
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