123456789101112131415161718192021222324252627282930313233343536373839 |
- // Copyright 2015, 2017 Peter Dimov.
- //
- // 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/mp11/utility.hpp>
- #include <boost/mp11/algorithm.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- using boost::mp11::mp_valid;
- using boost::mp11::mp_at;
- using boost::mp11::mp_size_t;
- using boost::mp11::mp_list;
- int main()
- {
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, void>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, void, void>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, void, void, void>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, void, mp_size_t<0>>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, mp_list<>, mp_size_t<0>>));
- BOOST_TEST_TRAIT_TRUE((mp_valid<mp_at, mp_list<void>, mp_size_t<0>>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, mp_list<void>, mp_size_t<1>>));
- BOOST_TEST_TRAIT_TRUE((mp_valid<mp_at, mp_list<void, void>, mp_size_t<0>>));
- BOOST_TEST_TRAIT_TRUE((mp_valid<mp_at, mp_list<void, void>, mp_size_t<1>>));
- BOOST_TEST_TRAIT_FALSE((mp_valid<mp_at, mp_list<void, void>, mp_size_t<2>>));
- return boost::report_errors();
- }
|