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67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
// Copyright 2021, 2022 Peter Dimov.
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// Distributed under the Boost Software License, Version 1.0.
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/system/error_code.hpp>
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#include <boost/system/error_category.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <cerrno>
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#include <system_error>
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class my_category_impl: public std::error_category
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{
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public:
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char const* name() const noexcept
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{
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return "mycat";
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}
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std::string message( int /*ev*/ ) const
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{
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return "Unknown error";
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}
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};
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std::error_category const& my_category()
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{
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static my_category_impl mycat;
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return mycat;
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}
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int main()
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{
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{
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std::error_code e1( 5, boost::system::system_category() );
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boost::system::error_code e2( e1 );
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std::error_code e3( e2 );
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BOOST_TEST_EQ( e1, e3 );
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BOOST_TEST_EQ( e1.value(), e3.value() );
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BOOST_TEST_EQ( &e1.category(), &e3.category() );
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}
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{
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std::error_code e1( 5, boost::system::generic_category() );
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boost::system::error_code e2( e1 );
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std::error_code e3( e2 );
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BOOST_TEST_EQ( e1, e3 );
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BOOST_TEST_EQ( e1.value(), e3.value() );
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BOOST_TEST_EQ( &e1.category(), &e3.category() );
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}
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{
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std::error_code e1( 5, my_category() );
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boost::system::error_code e2( e1 );
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std::error_code e3( e2 );
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BOOST_TEST_EQ( e1, e3 );
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BOOST_TEST_EQ( e1.value(), e3.value() );
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BOOST_TEST_EQ( &e1.category(), &e3.category() );
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}
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return boost::report_errors();
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}
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