test_negate.cpp 859 B

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  1. // Boost.TypeErasure library
  2. //
  3. // Copyright 2011 Steven Watanabe
  4. //
  5. // Distributed under the Boost Software License Version 1.0. (See
  6. // accompanying file LICENSE_1_0.txt or copy at
  7. // http://www.boost.org/LICENSE_1_0.txt)
  8. //
  9. // $Id$
  10. #include <boost/type_erasure/any.hpp>
  11. #include <boost/type_erasure/builtin.hpp>
  12. #include <boost/type_erasure/operators.hpp>
  13. #include <boost/type_erasure/any_cast.hpp>
  14. #include <boost/mpl/vector.hpp>
  15. #define BOOST_TEST_MAIN
  16. #include <boost/test/unit_test.hpp>
  17. using namespace boost::type_erasure;
  18. template<class T = _self>
  19. struct common : ::boost::mpl::vector<
  20. copy_constructible<T>,
  21. typeid_<T>
  22. > {};
  23. BOOST_AUTO_TEST_CASE(test_negate)
  24. {
  25. typedef ::boost::mpl::vector<common<>, negatable<> > test_concept;
  26. any<test_concept> x(1);
  27. any<test_concept> y(-x);
  28. BOOST_CHECK_EQUAL(any_cast<int>(y), -1);
  29. }