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- // Copyright 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/algorithm.hpp>
- #include <boost/mp11/list.hpp>
- #include <boost/mp11/integral.hpp>
- #include <boost/mp11/function.hpp>
- #include <boost/mp11/utility.hpp>
- #include <boost/core/lightweight_test_trait.hpp>
- #include <type_traits>
- #include <tuple>
- int main()
- {
- using boost::mp11::mp_nth_element_q;
- using boost::mp11::mp_list_c;
- using boost::mp11::mp_sort_q;
- using boost::mp11::mp_less;
- using boost::mp11::mp_at_c;
- using boost::mp11::mp_size_t;
- using boost::mp11::mp_rename;
- using boost::mp11::mp_quote;
- using Q_less = mp_quote<mp_less>;
- {
- using L1 = mp_list_c<int, 7, 1, 11, 3, 2, 2, 4>;
- using L2 = mp_sort_q<L1, Q_less>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<0>, Q_less>, mp_at_c<L2, 0>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<1>, Q_less>, mp_at_c<L2, 1>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<2>, Q_less>, mp_at_c<L2, 2>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<3>, Q_less>, mp_at_c<L2, 3>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<4>, Q_less>, mp_at_c<L2, 4>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<5>, Q_less>, mp_at_c<L2, 5>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<6>, Q_less>, mp_at_c<L2, 6>>));
- }
- {
- using L1 = mp_rename<mp_list_c<int, 7, 1, 11, 3, 2, 2, 4>, std::tuple>;
- using L2 = mp_sort_q<L1, Q_less>;
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<0>, Q_less>, mp_at_c<L2, 0>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<1>, Q_less>, mp_at_c<L2, 1>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<2>, Q_less>, mp_at_c<L2, 2>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<3>, Q_less>, mp_at_c<L2, 3>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<4>, Q_less>, mp_at_c<L2, 4>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<5>, Q_less>, mp_at_c<L2, 5>>));
- BOOST_TEST_TRAIT_TRUE((std::is_same<mp_nth_element_q<L1, mp_size_t<6>, Q_less>, mp_at_c<L2, 6>>));
- }
- return boost::report_errors();
- }
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