83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
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// Copyright 2018 Peter Dimov.
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//
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// Distributed under the Boost Software License, Version 1.0.
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//
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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// See library home page at http://www.boost.org/libs/system
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// Avoid spurious VC++ warnings
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# define _CRT_SECURE_NO_WARNINGS
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#include <boost/system/error_code.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <cstdio>
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//
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namespace sys = boost::system;
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class user_category: public sys::error_category
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{
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public:
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virtual const char * name() const BOOST_NOEXCEPT
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{
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return "user";
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}
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virtual std::string message( int ev ) const
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{
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char buffer[ 256 ];
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std::sprintf( buffer, "user message %d", ev );
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return buffer;
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}
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using sys::error_category::message;
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};
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static user_category s_cat_1;
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static user_category s_cat_2;
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int main()
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{
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// default_error_condition
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BOOST_TEST( s_cat_1.default_error_condition( 1 ) == sys::error_condition( 1, s_cat_1 ) );
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BOOST_TEST( s_cat_2.default_error_condition( 2 ) == sys::error_condition( 2, s_cat_2 ) );
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// equivalent
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BOOST_TEST( s_cat_1.equivalent( 1, sys::error_condition( 1, s_cat_1 ) ) );
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BOOST_TEST( !s_cat_1.equivalent( 1, sys::error_condition( 2, s_cat_1 ) ) );
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BOOST_TEST( !s_cat_1.equivalent( 1, sys::error_condition( 2, s_cat_2 ) ) );
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// the other equivalent
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BOOST_TEST( s_cat_1.equivalent( sys::error_code( 1, s_cat_1 ), 1 ) );
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BOOST_TEST( !s_cat_1.equivalent( sys::error_code( 1, s_cat_1 ), 2 ) );
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BOOST_TEST( !s_cat_1.equivalent( sys::error_code( 1, s_cat_2 ), 1 ) );
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// message
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{
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char buffer[ 256 ];
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BOOST_TEST_CSTR_EQ( s_cat_1.message( 1, buffer, sizeof( buffer ) ), s_cat_1.message( 1 ).c_str() );
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}
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{
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char buffer[ 4 ];
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BOOST_TEST_CSTR_EQ( s_cat_1.message( 1, buffer, sizeof( buffer ) ), "use" );
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}
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// ==
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BOOST_TEST_NOT( s_cat_1 == s_cat_2 );
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BOOST_TEST( s_cat_1 != s_cat_2 );
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return boost::report_errors();
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}
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