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- // Copyright 2018 Peter Dimov.
- //
- // 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
- // See library home page at http://www.boost.org/libs/system
- // Avoid spurious VC++ warnings
- # define _CRT_SECURE_NO_WARNINGS
- #include <boost/system/error_code.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <cstdio>
- //
- namespace sys = boost::system;
- class user_category: public sys::error_category
- {
- public:
- virtual const char * name() const BOOST_NOEXCEPT
- {
- return "user";
- }
- virtual std::string message( int ev ) const
- {
- char buffer[ 256 ];
- std::sprintf( buffer, "user message %d", ev );
- return buffer;
- }
- using sys::error_category::message;
- };
- static user_category s_cat_1;
- static user_category s_cat_2;
- int main()
- {
- // default_error_condition
- BOOST_TEST( s_cat_1.default_error_condition( 1 ) == sys::error_condition( 1, s_cat_1 ) );
- BOOST_TEST( s_cat_2.default_error_condition( 2 ) == sys::error_condition( 2, s_cat_2 ) );
- // equivalent
- BOOST_TEST( s_cat_1.equivalent( 1, sys::error_condition( 1, s_cat_1 ) ) );
- BOOST_TEST( !s_cat_1.equivalent( 1, sys::error_condition( 2, s_cat_1 ) ) );
- BOOST_TEST( !s_cat_1.equivalent( 1, sys::error_condition( 2, s_cat_2 ) ) );
- // the other equivalent
- BOOST_TEST( s_cat_1.equivalent( sys::error_code( 1, s_cat_1 ), 1 ) );
- BOOST_TEST( !s_cat_1.equivalent( sys::error_code( 1, s_cat_1 ), 2 ) );
- BOOST_TEST( !s_cat_1.equivalent( sys::error_code( 1, s_cat_2 ), 1 ) );
- // message
- {
- char buffer[ 256 ];
- BOOST_TEST_CSTR_EQ( s_cat_1.message( 1, buffer, sizeof( buffer ) ), s_cat_1.message( 1 ).c_str() );
- }
- {
- char buffer[ 4 ];
- BOOST_TEST_CSTR_EQ( s_cat_1.message( 1, buffer, sizeof( buffer ) ), "use" );
- }
- // ==
- BOOST_TEST_NOT( s_cat_1 == s_cat_2 );
- BOOST_TEST( s_cat_1 != s_cat_2 );
- return boost::report_errors();
- }
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