promote_util.hpp 1.5 KB

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  1. // Copyright 2005 Alexander Nasonov.
  2. // Distributed under the Boost Software License, Version 1.0. (See
  3. // accompanying file LICENSE_1_0.txt or copy at
  4. // http://www.boost.org/LICENSE_1_0.txt)
  5. #ifndef FILE_boost_libs_type_traits_test_promote_util_hpp_INCLUDED
  6. #define FILE_boost_libs_type_traits_test_promote_util_hpp_INCLUDED
  7. #include <boost/type_traits/promote.hpp>
  8. #include <boost/config.hpp>
  9. #include <boost/static_assert.hpp>
  10. #include <boost/type_traits/is_same.hpp>
  11. template<class T, class Promoted>
  12. inline void test_no_cv()
  13. {
  14. typedef BOOST_DEDUCED_TYPENAME boost::promote<T>::type promoted;
  15. BOOST_STATIC_ASSERT(( boost::is_same<promoted,Promoted>::value ));
  16. }
  17. template<class T, class Promoted>
  18. inline void test_cv()
  19. {
  20. typedef BOOST_DEDUCED_TYPENAME boost::promote<T >::type promoted;
  21. typedef BOOST_DEDUCED_TYPENAME boost::promote<T const >::type promoted_c;
  22. typedef BOOST_DEDUCED_TYPENAME boost::promote<T volatile>::type promoted_v;
  23. typedef BOOST_DEDUCED_TYPENAME boost::promote<T const volatile>::type promoted_cv;
  24. BOOST_STATIC_ASSERT(( ::boost::is_same< promoted , Promoted >::value ));
  25. BOOST_STATIC_ASSERT(( ::boost::is_same< promoted_c , Promoted const >::value ));
  26. BOOST_STATIC_ASSERT(( ::boost::is_same< promoted_v , Promoted volatile >::value ));
  27. BOOST_STATIC_ASSERT(( ::boost::is_same< promoted_cv, Promoted const volatile >::value ));
  28. }
  29. #endif // #ifndef FILE_boost_libs_type_traits_test_promote_util_hpp_INCLUDED