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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 
21     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[]>, char[]>));
22     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[], void>, char[]>));
23     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[], void, void>, char[]>));
24     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_true, char[], void, void, void>, char[]>));
25 
26     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[]>, char[]>));
27     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[], void>, char[]>));
28     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[], void, void>, char[]>));
29     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_true, char[], void, void, void>, char[]>));
30 
31     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[]>, char[]>));
32     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[], void>, char[]>));
33     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[], void, void>, char[]>));
34     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_true, char[], void, void, void>, char[]>));
35 
36     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[]>, char[]>));
37     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[], void>, char[]>));
38     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[], void, void>, char[]>));
39     BOOST_TEST_TRAIT_TRUE((std::is_same<mp_cond<mp_false, int, mp_false, float, mp_false, double, mp_true, char[], void, void, void>, char[]>));
40 
41     return boost::report_errors();
42 }
43