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67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
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// Copyright 2018 Peter Dimov.
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// Distributed under the Boost Software License, Version 1.0.
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#include <boost/system/error_code.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <boost/static_assert.hpp>
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#if !defined(BOOST_SYSTEM_HAS_CONSTEXPR)
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BOOST_PRAGMA_MESSAGE("Skipping constexpr test, BOOST_SYSTEM_HAS_CONSTEXPR isn't defined")
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int main() {}
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#else
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using namespace boost::system;
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constexpr error_code ec1( 1, system_category() );
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BOOST_STATIC_ASSERT( ec1.failed() );
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BOOST_STATIC_ASSERT( ec1 );
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BOOST_STATIC_ASSERT( !!ec1 );
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constexpr error_code ec2( 2, generic_category() );
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BOOST_STATIC_ASSERT( ec2.failed() );
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BOOST_STATIC_ASSERT( ec2 );
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BOOST_STATIC_ASSERT( !!ec2 );
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constexpr error_code ec3;
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BOOST_STATIC_ASSERT( !ec3.failed() );
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BOOST_STATIC_ASSERT( ec3? false: true );
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BOOST_STATIC_ASSERT( !ec3 );
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#if defined(__GNUC__) && __GNUC__ == 7 && __cplusplus == 201703L
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// 'cat_' is not a constant expression
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#else
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constexpr error_condition en1( 1, system_category() );
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BOOST_STATIC_ASSERT( en1.failed() );
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BOOST_STATIC_ASSERT( en1 );
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BOOST_STATIC_ASSERT( !!en1 );
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constexpr error_condition en2( 2, generic_category() );
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BOOST_STATIC_ASSERT( en2.failed() );
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BOOST_STATIC_ASSERT( en2 );
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BOOST_STATIC_ASSERT( !!en2 );
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constexpr error_condition en3;
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BOOST_STATIC_ASSERT( !en3.failed() );
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BOOST_STATIC_ASSERT( en3? false: true );
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BOOST_STATIC_ASSERT( !en3 );
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#endif
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int main()
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{
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}
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#endif
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