| // Copyright David Abrahams 2002. |
| // 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) |
| #include <boost/python/object/class_metadata.hpp> |
| #include <boost/python/has_back_reference.hpp> |
| #include <boost/python/detail/not_specified.hpp> |
| #include <boost/static_assert.hpp> |
| #include <boost/type_traits/same_traits.hpp> |
| #include <boost/function/function0.hpp> |
| #include <boost/mpl/bool.hpp> |
| #include <memory> |
| |
| struct BR {}; |
| |
| struct Base {}; |
| struct Derived : Base {}; |
| |
| namespace boost { namespace python |
| { |
| // specialization |
| template <> |
| struct has_back_reference<BR> |
| : mpl::true_ |
| { |
| }; |
| }} // namespace boost::python |
| |
| template <class T, class U> |
| void assert_same(U* = 0, T* = 0) |
| { |
| BOOST_STATIC_ASSERT((boost::is_same<T,U>::value)); |
| |
| } |
| |
| template <class T, class Held, class Holder> |
| void assert_holder(T* = 0, Held* = 0, Holder* = 0) |
| { |
| using namespace boost::python::detail; |
| using namespace boost::python::objects; |
| |
| typedef typename class_metadata< |
| T,Held,not_specified,not_specified |
| >::holder h; |
| |
| assert_same<Holder>( |
| (h*)0 |
| ); |
| } |
| |
| int test_main(int, char * []) |
| { |
| using namespace boost::python::detail; |
| using namespace boost::python::objects; |
| |
| assert_holder<Base,not_specified,value_holder<Base> >(); |
| |
| assert_holder<BR,not_specified,value_holder_back_reference<BR,BR> >(); |
| assert_holder<Base,Base,value_holder_back_reference<Base,Base> >(); |
| assert_holder<BR,BR,value_holder_back_reference<BR,BR> >(); |
| |
| assert_holder<Base,Derived |
| ,value_holder_back_reference<Base,Derived> >(); |
| |
| assert_holder<Base,std::auto_ptr<Base> |
| ,pointer_holder<std::auto_ptr<Base>,Base> >(); |
| |
| assert_holder<Base,std::auto_ptr<Derived> |
| ,pointer_holder_back_reference<std::auto_ptr<Derived>,Base> >(); |
| |
| assert_holder<BR,std::auto_ptr<BR> |
| ,pointer_holder_back_reference<std::auto_ptr<BR>,BR> > (); |
| |
| return 0; |
| } |
| |