scoped_enum_emulation_test.cpp 1.2 KB

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  1. // scoped_enum_emulation_test.cpp ----------------------------------------------------//
  2. // Copyright Beman Dawes, 2009
  3. // Distributed under the Boost Software License, Version 1.0.
  4. // See http://www.boost.org/LICENSE_1_0.txt
  5. // See documentation at http://www.boost.org/libs/utility/scoped_enum_emulation.html
  6. // #include <boost/detail/disable_warnings.hpp>
  7. // #include <boost/config/warning_disable.hpp>
  8. #include <boost/detail/scoped_enum_emulation.hpp>
  9. #include <boost/assert.hpp>
  10. BOOST_SCOPED_ENUM_START(traffic_light) { red=0, yellow, green }; BOOST_SCOPED_ENUM_END
  11. BOOST_SCOPED_ENUM_START(algae) { green=0, red, cyan }; BOOST_SCOPED_ENUM_END
  12. struct color
  13. {
  14. BOOST_SCOPED_ENUM_START(value_t) { red, green, blue }; BOOST_SCOPED_ENUM_END
  15. BOOST_SCOPED_ENUM(value_t) value;
  16. };
  17. void foo( BOOST_SCOPED_ENUM(algae) arg )
  18. {
  19. BOOST_ASSERT( arg == algae::cyan );
  20. }
  21. int main()
  22. {
  23. BOOST_SCOPED_ENUM(traffic_light) signal( traffic_light::red );
  24. BOOST_SCOPED_ENUM(algae) sample( algae::red );
  25. BOOST_ASSERT( signal == traffic_light::red );
  26. BOOST_ASSERT( sample == algae::red );
  27. foo( algae::cyan );
  28. color tracker;
  29. tracker.value = color::value_t::blue;
  30. if (tracker.value == color::value_t::blue) return 0; // quiet warnings
  31. return 0;
  32. }