weak_from_raw_test.cpp 895 B

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  1. #include <boost/config.hpp>
  2. //
  3. // weak_from_raw_test.cpp
  4. //
  5. // Copyright (c) 2009 Frank Mori Hess
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See
  8. // accompanying file LICENSE_1_0.txt or copy at
  9. // http://www.boost.org/LICENSE_1_0.txt)
  10. //
  11. #include <boost/smart_ptr/enable_shared_from_raw.hpp>
  12. #include <boost/detail/lightweight_test.hpp>
  13. struct X: public boost::enable_shared_from_raw
  14. {};
  15. void basic_weak_from_raw_test()
  16. {
  17. X *p(new X);
  18. boost::weak_ptr<X> weak = boost::weak_from_raw(p);
  19. BOOST_TEST(!weak.expired());
  20. boost::shared_ptr<X> shared(p);
  21. weak = boost::weak_from_raw(p);
  22. BOOST_TEST(weak.expired() == false);
  23. boost::shared_ptr<X> shared2(weak);
  24. BOOST_TEST((shared < shared2 || shared2 < shared) == false);
  25. BOOST_TEST(shared.get() == p);
  26. }
  27. int main()
  28. {
  29. basic_weak_from_raw_test();
  30. return boost::report_errors();
  31. }