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// 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/bases.hpp>
#include <boost/static_assert.hpp>
#include <boost/type_traits/same_traits.hpp>
struct A;
struct B;
template <class X, class Y, class Z>
struct choose_bases
: boost::python::detail::select_bases<
X
, typename boost::python::detail::select_bases<
Y
, typename boost::python::detail::select_bases<Z>::type
>::type>
{
};
int main()
{
BOOST_STATIC_ASSERT((boost::python::detail::specifies_bases<
boost::python::bases<A,B> >::value));
BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
boost::python::bases<A,B>& >::value));
BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
void* >::value));
BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
int >::value));
BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
int[5] >::value));
typedef boost::python::detail::select_bases<
int
, boost::python::detail::select_bases<char*>::type > collected1;
BOOST_STATIC_ASSERT((boost::is_same<collected1::type,boost::python::bases<> >::value));
BOOST_STATIC_ASSERT((boost::is_same<choose_bases<int,char*,long>::type,boost::python::bases<> >::value));
typedef boost::python::detail::select_bases<
int
, boost::python::detail::select_bases<
boost::python::bases<A,B>
, boost::python::detail::select_bases<
A
>::type
>::type
> collected2;
BOOST_STATIC_ASSERT((boost::is_same<collected2::type,boost::python::bases<A,B> >::value));
BOOST_STATIC_ASSERT((boost::is_same<choose_bases<int,boost::python::bases<A,B>,long>::type,boost::python::bases<A,B> >::value));
return 0;
}
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