ceph/src/boost/libs/core/include/boost/core/lightweight_test_trait.hpp

   1 #ifndef BOOST_CORE_LIGHTWEIGHT_TEST_TRAIT_HPP
   2 #define BOOST_CORE_LIGHTWEIGHT_TEST_TRAIT_HPP
   3
   4 // MS compatible compilers support #pragma once
   5
   6 #if defined(_MSC_VER)
   7 # pragma once
   8 #endif
   9
  10 // boost/core/lightweight_test_trait.hpp
  11 //
  12 // BOOST_TEST_TRAIT_TRUE, BOOST_TEST_TRAIT_FALSE
  13 //
  14 // Copyright 2014 Peter Dimov
  15 //
  16 // Distributed under the Boost Software License, Version 1.0.
  17 // See accompanying file LICENSE_1_0.txt or copy at
  18 // http://www.boost.org/LICENSE_1_0.txt
  19
  20 #include <boost/core/lightweight_test.hpp>
  21 #include <boost/core/typeinfo.hpp>
  22
  23 namespace boost
  24 {
  25
  26 namespace detail
  27 {
  28
  29 template< class T > inline void test_trait_impl( char const * trait, void (*)( T ),
  30   bool expected, char const * file, int line, char const * function )
  31 {
  32     if( T::value == expected )
  33     {
  34         report_errors_remind();
  35     }
  36     else
  37     {
  38         BOOST_LIGHTWEIGHT_TEST_OSTREAM
  39             << file << "(" << line << "): predicate '" << trait << "' ["
  40             << boost::core::demangled_name( BOOST_CORE_TYPEID(T) ) << "]"
  41             << " test failed in function '" << function
  42             << "' (should have been " << ( expected? "true": "false" ) << ")"
  43             << std::endl;
  44
  45         ++test_errors();
  46     }
  47 }
  48
  49 } // namespace detail
  50
  51 } // namespace boost
  52
  53 #define BOOST_TEST_TRAIT_TRUE(type) ( ::boost::detail::test_trait_impl(#type, (void(*)type)0, true, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
  54 #define BOOST_TEST_TRAIT_FALSE(type) ( ::boost::detail::test_trait_impl(#type, (void(*)type)0, false, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
  55
  56 #endif // #ifndef BOOST_CORE_LIGHTWEIGHT_TEST_TRAIT_HPP