text: 
  // Copyright Aleksey Gurtovoy 2001-2006
  //
  // 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)
  //
  // See http://www.boost.org/libs/mpl for documentation.
  
  // $Id$
  // $Date$
  // $Revision$
  
  #include <boost/mpl/next_prior.hpp>
  #include <boost/mpl/aux_/test.hpp>
  #include <boost/mpl/aux_/config/workaround.hpp>
  
  #include <cassert>
  
  #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600)
  #   define INTEGRAL_WRAPPER_RUNTIME_TEST(i, T) \
      BOOST_TEST(( WRAPPER(T,i)() == i )); \
      BOOST_TEST(( WRAPPER(T,i)::value == i )); \
      /**/
  #else
  #   define INTEGRAL_WRAPPER_RUNTIME_TEST(i, T) \
      BOOST_TEST(( WRAPPER(T,i)::value == i )); \
      /**/
  #endif
  
  #if defined(BOOST_NO_CXX11_CONSTEXPR)
  #define CONSTEXPR_INTEGRAL_TEST(T, i)
  #else 
  #define CONSTEXPR_INTEGRAL_TEST(T, i) { static_assert(T() == i, "Constexpr for integral constant failed"); }
  #endif
  
  #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
  // agurt 20/nov/06: see http://article.gmane.org/gmane.comp.lib.boost.devel/151065
  #define INTEGRAL_WRAPPER_TEST(unused1, i, T) \
      { \
        typedef WRAPPER(T,i) borland_tested_type; \
      { typedef is_same< borland_tested_type::value_type, T > borland_test_type; \
        MPL_ASSERT(( borland_test_type )); } \
      { MPL_ASSERT(( is_same< borland_tested_type::type, WRAPPER(T,i) > )); } \
      { MPL_ASSERT(( is_same< next< borland_tested_type >::type, WRAPPER(T,i+1) > )); } \
      { MPL_ASSERT(( is_same< prior< borland_tested_type >::type, WRAPPER(T,i-1) > )); } \
      { MPL_ASSERT_RELATION( (borland_tested_type::value), ==, i ); } \
      CONSTEXPR_INTEGRAL_TEST(borland_tested_type, i) \
      INTEGRAL_WRAPPER_RUNTIME_TEST(i, T) \
      } \
  /**/
  #else
  #define INTEGRAL_WRAPPER_TEST(unused1, i, T) \
      { MPL_ASSERT(( is_same< WRAPPER(T,i)::value_type, T > )); } \
      { MPL_ASSERT(( is_same< WRAPPER(T,i)::type, WRAPPER(T,i) > )); } \
      { MPL_ASSERT(( is_same< next< WRAPPER(T,i) >::type, WRAPPER(T,i+1) > )); } \
      { MPL_ASSERT(( is_same< prior< WRAPPER(T,i) >::type, WRAPPER(T,i-1) > )); } \
      { MPL_ASSERT_RELATION( (WRAPPER(T,i)::value), ==, i ); } \
      CONSTEXPR_INTEGRAL_TEST(WRAPPER(T,i), i) \
      INTEGRAL_WRAPPER_RUNTIME_TEST(i, T) \
  /**/
  #endif
  
  