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3rdparty/boost_1_81_0/libs/mpl/test/inherit.cpp 1.1 KB
73ef4ff3   Hu Chunming   提交三方库
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  // Copyright Aleksey Gurtovoy 2001-2004
  //
  // 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/inherit.hpp>
  #include <boost/mpl/aux_/test.hpp>
  
  struct her { typedef her herself; };
  struct my { typedef my myself; };
  
  MPL_TEST_CASE()
  {
      MPL_ASSERT(( is_same<inherit<her>::type, her> ));
  
      typedef inherit<her,my>::type her_my1;
      MPL_ASSERT(( is_same<her_my1::herself, her> ));
      MPL_ASSERT(( is_same<her_my1::myself, my> ));
      
      typedef inherit<empty_base,her>::type her1;
      MPL_ASSERT(( is_same<her1, her> ));
      
      typedef inherit<empty_base,her,empty_base,empty_base>::type her2;
      MPL_ASSERT(( is_same<her2, her> ));
  
      typedef inherit<her,empty_base,my>::type her_my2;
      MPL_ASSERT(( is_same<her_my2::herself, her> ));
      MPL_ASSERT(( is_same<her_my2::myself, my> ));
  
      typedef inherit<empty_base,empty_base>::type empty;
      MPL_ASSERT(( is_same<empty, empty_base> ));
  }