1
2 // Copyright 2015 Peter Dimov.
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 //
6 // See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt
8
9
10 #include <boost/core/lightweight_test_trait.hpp>
11 #include <boost/mp11/list.hpp>
12 #include <boost/mp11/integral.hpp>
13 #include <type_traits>
14 #include <tuple>
15 #include <utility>
16
main()17 int main()
18 {
19 using boost::mp11::mp_list;
20 using boost::mp11::mp_size;
21 using boost::mp11::mp_size_t;
22
23 using L1 = mp_list<>;
24 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L1>, mp_size_t<0>>));
25
26 using L2 = mp_list<void>;
27 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L2>, mp_size_t<1>>));
28
29 using L3 = mp_list<int[], void, float>;
30 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L3>, mp_size_t<3>>));
31
32 using L4 = std::tuple<>;
33 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L4>, mp_size_t<0>>));
34
35 using L5 = std::tuple<int>;
36 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L5>, mp_size_t<1>>));
37
38 using L6 = std::tuple<int, int>;
39 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L6>, mp_size_t<2>>));
40
41 using L7 = std::pair<char, double>;
42 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L7>, mp_size_t<2>>));
43
44 using L8 = std::add_const<void()>;
45 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_size<L8>, mp_size_t<1>>));
46
47 return boost::report_errors();
48 }
49