map_tie.cpp 1.3 KB

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  1. /*=============================================================================
  2. Copyright (c) 2001-2011 Joel de Guzman
  3. Copyright (c) 2006 Dan Marsden
  4. Distributed under the Boost Software License, Version 1.0. (See accompanying
  5. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. ==============================================================================*/
  7. #include <boost/detail/lightweight_test.hpp>
  8. #include <boost/fusion/container/generation/map_tie.hpp>
  9. #include <boost/fusion/sequence/intrinsic/at_key.hpp>
  10. struct key_zero;
  11. struct key_one;
  12. int main()
  13. {
  14. using namespace boost::fusion;
  15. {
  16. int number = 101;
  17. char letter = 'a';
  18. BOOST_TEST(at_key<key_zero>(map_tie<key_zero, key_one>(number, letter)) == 101);
  19. BOOST_TEST(at_key<key_one>(map_tie<key_zero, key_one>(number, letter)) == 'a');
  20. BOOST_TEST(&at_key<key_zero>(map_tie<key_zero, key_one>(number, letter)) == &number);
  21. BOOST_TEST(&at_key<key_one>(map_tie<key_zero, key_one>(number, letter)) == &letter);
  22. at_key<key_zero>(map_tie<key_zero, key_one>(number, letter)) = 202;
  23. at_key<key_one>(map_tie<key_zero, key_one>(number, letter)) = 'b';
  24. BOOST_TEST(number == 202);
  25. BOOST_TEST(letter == 'b');
  26. }
  27. return boost::report_errors();
  28. }