1
2 // Copyright 2015, 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/detail/config.hpp>
12 #include <boost/core/lightweight_test_trait.hpp>
13 #include <type_traits>
14
15 using boost::mp11::mp_invoke_q;
16 using boost::mp11::mp_quote;
17 using boost::mp11::mp_quote_trait;
18 using boost::mp11::mp_valid;
19 using boost::mp11::mp_identity;
20 using boost::mp11::mp_identity_t;
21
main()22 int main()
23 {
24 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q>));
25 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, void>));
26 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, void, void>));
27 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, void, void, void>));
28
29 using Qi = mp_quote<mp_identity_t>;
30
31 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, Qi>));
32 BOOST_TEST_TRAIT_TRUE((mp_valid<mp_invoke_q, Qi, void>));
33 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, Qi, void, void>));
34
35 using Qt = mp_quote_trait<mp_identity>;
36
37 #if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, <= 1800 )
38 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, Qt>));
39 #endif
40 BOOST_TEST_TRAIT_TRUE((mp_valid<mp_invoke_q, Qt, void>));
41 BOOST_TEST_TRAIT_FALSE((mp_valid<mp_invoke_q, Qt, void, void>));
42
43 return boost::report_errors();
44 }
45