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
10 #include <boost/mp11/utility.hpp>
11 #include <boost/mp11/integral.hpp>
12 #include <boost/core/lightweight_test_trait.hpp>
13 #include <type_traits>
14
main()15 int main()
16 {
17 using boost::mp11::mp_cond;
18 using boost::mp11::mp_true;
19 using boost::mp11::mp_false;
20 using boost::mp11::mp_valid;
21
22 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond>));
23
24 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_true>));
25 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false>));
26
27 BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_true, void>));
28 BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_true, void, void>));
29
30 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void>));
31 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, void>));
32
33 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_true>));
34 BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_false, void, mp_true, void>));
35
36 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_false>));
37 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_false, void>));
38
39 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_cond, mp_false, void, mp_false, void, mp_true>));
40 BOOST_TEST_TRAIT_TRUE((mp_valid<mp_cond, mp_false, void, mp_false, void, mp_true, void>));
41
42 return boost::report_errors();
43 }
44