1
2 // Copyright 2017 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 #include <boost/mp11/detail/config.hpp>
10
11 #if BOOST_MP11_MSVC
12 # pragma warning( disable: 4503 ) // decorated name length exceeded
13 #endif
14
15 #include <boost/mp11/function.hpp>
16 #include <boost/mp11/algorithm.hpp>
17 #include <boost/mp11/list.hpp>
18 #include <boost/core/lightweight_test_trait.hpp>
19 #include <type_traits>
20
main()21 int main()
22 {
23 using boost::mp11::mp_same;
24 using boost::mp11::mp_true;
25 using boost::mp11::mp_false;
26
27 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<>, mp_true>));
28 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void>, mp_true>));
29 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void>, mp_true>));
30 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void>, mp_true>));
31 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void>, mp_true>));
32 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void, void>, mp_true>));
33
34 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, int>, mp_false>));
35 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, int>, mp_false>));
36 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, int>, mp_false>));
37 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_same<void, void, void, void, int>, mp_false>));
38
39 using boost::mp11::mp_repeat_c;
40 using boost::mp11::mp_list;
41 using boost::mp11::mp_apply;
42
43 int const N = 1024;
44
45 using L = mp_repeat_c<mp_list<void>, N>;
46 using R = mp_apply<mp_same, L>;
47
48 BOOST_TEST_TRAIT_TRUE((std::is_same<R, mp_true>));
49
50 return boost::report_errors();
51 }
52