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Diffstat (limited to 'src/boost/libs/python/test/if_else.cpp')
-rw-r--r-- | src/boost/libs/python/test/if_else.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/boost/libs/python/test/if_else.cpp b/src/boost/libs/python/test/if_else.cpp new file mode 100644 index 000000000..60cc53192 --- /dev/null +++ b/src/boost/libs/python/test/if_else.cpp @@ -0,0 +1,44 @@ +// 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/static_assert.hpp> +#include <boost/python/detail/if_else.hpp> +#include <boost/python/detail/type_traits.hpp> + + typedef char c1; + typedef char c2[2]; + typedef char c3[3]; + typedef char c4[4]; + +template <unsigned size> +struct choose +{ + typedef typename boost::python::detail::if_< + (sizeof(c1) == size) + >::template then< + c1 + >::template elif< + (sizeof(c2) == size) + >::template then< + c2 + >::template elif< + (sizeof(c3) == size) + >::template then< + c3 + >::template elif< + (sizeof(c4) == size) + >::template then< + c4 + >::template else_<void*>::type type; +}; + +int main() +{ + BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<1>::type,c1>::value)); + BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<2>::type,c2>::value)); + BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<3>::type,c3>::value)); + BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<4>::type,c4>::value)); + BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<5>::type,void*>::value)); + return 0; +} |