Edit: /usr/include/boost/core/lightweight_test_trait.hpp (3973B)
#ifndef BOOST_CORE_LIGHTWEIGHT_TEST_TRAIT_HPP
#define BOOST_CORE_LIGHTWEIGHT_TEST_TRAIT_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif
// boost/core/lightweight_test_trait.hpp
//
// BOOST_TEST_TRAIT_TRUE, BOOST_TEST_TRAIT_FALSE, BOOST_TEST_TRAIT_SAME
//
// Copyright 2014 Peter Dimov
//
// Copyright 2019 Glen Joseph Fernandes
// (glenjofe@gmail.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
#include
#include
#include
#include
namespace boost
{
namespace detail
{
template struct test_print { };
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << boost::core::demangled_name(BOOST_CORE_TYPEID(T));
}
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print();
}
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print() << " const";
}
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print() << " volatile";
}
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print() << " const volatile";
}
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print();
}
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print() << " &";
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template inline std::ostream& operator<<(std::ostream& o, test_print)
{
return o << test_print() << " &&";
}
#endif
template< class T > inline void test_trait_impl( char const * trait, void (*)( T ),
bool expected, char const * file, int line, char const * function )
{
if( T::value == expected )
{
test_results();
}
else
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): predicate '" << trait << "' ["
<< boost::core::demangled_name( BOOST_CORE_TYPEID(T) ) << "]"
<< " test failed in function '" << function
<< "' (should have been " << ( expected? "true": "false" ) << ")"
<< std::endl;
++test_results().errors();
}
}
template inline bool test_trait_same_impl_( T )
{
return T::value;
}
template inline void test_trait_same_impl( char const * types,
boost::core::is_same same, char const * file, int line, char const * function )
{
if( test_trait_same_impl_( same ) )
{
test_results();
}
else
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): test 'is_same<" << types << ">'"
<< " failed in function '" << function
<< "' ('" << test_print()
<< "' != '" << test_print() << "')"
<< std::endl;
++test_results().errors();
}
}
} // namespace detail
} // namespace boost
#define BOOST_TEST_TRAIT_TRUE(type) ( ::boost::detail::test_trait_impl(#type, (void(*)type)0, true, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
#define BOOST_TEST_TRAIT_FALSE(type) ( ::boost::detail::test_trait_impl(#type, (void(*)type)0, false, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
#if defined(__GNUC__)
// ignoring -Wvariadic-macros with #pragma doesn't work under GCC
# pragma GCC system_header
#endif
#define BOOST_TEST_TRAIT_SAME(...) ( ::boost::detail::test_trait_same_impl(#__VA_ARGS__, ::boost::core::is_same<__VA_ARGS__>(), __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
#endif // #ifndef BOOST_CORE_LIGHTWEIGHT_TEST_TRAIT_HPP