77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/python/object/class_metadata.hpp>
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#include <boost/python/has_back_reference.hpp>
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#include <boost/python/detail/not_specified.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/python/detail/type_traits.hpp>
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#include <boost/function/function0.hpp>
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#include <boost/mpl/bool.hpp>
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#include <memory>
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struct BR {};
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struct Base {};
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struct Derived : Base {};
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namespace boost { namespace python
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{
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// specialization
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template <>
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struct has_back_reference<BR>
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: mpl::true_
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{
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};
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}} // namespace boost::python
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template <class T, class U>
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void assert_same(U* = 0, T* = 0)
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{
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BOOST_STATIC_ASSERT((boost::python::detail::is_same<T,U>::value));
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}
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template <class T, class Held, class Holder>
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void assert_holder(T* = 0, Held* = 0, Holder* = 0)
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{
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using namespace boost::python::detail;
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using namespace boost::python::objects;
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typedef typename class_metadata<
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T,Held,not_specified,not_specified
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>::holder h;
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assert_same<Holder>(
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(h*)0
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);
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}
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int test_main(int, char * [])
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{
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using namespace boost::python::detail;
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using namespace boost::python::objects;
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assert_holder<Base,not_specified,value_holder<Base> >();
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assert_holder<BR,not_specified,value_holder_back_reference<BR,BR> >();
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assert_holder<Base,Base,value_holder_back_reference<Base,Base> >();
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assert_holder<BR,BR,value_holder_back_reference<BR,BR> >();
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assert_holder<Base,Derived
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,value_holder_back_reference<Base,Derived> >();
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assert_holder<Base,std::auto_ptr<Base>
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,pointer_holder<std::auto_ptr<Base>,Base> >();
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assert_holder<Base,std::auto_ptr<Derived>
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,pointer_holder_back_reference<std::auto_ptr<Derived>,Base> >();
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assert_holder<BR,std::auto_ptr<BR>
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,pointer_holder_back_reference<std::auto_ptr<BR>,BR> > ();
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return 0;
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}
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