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/algorithm.hpp>
11 #include <boost/mp11/list.hpp>
12 #include <boost/mp11/integral.hpp>
13 #include <boost/mp11/utility.hpp>
14 #include <boost/core/lightweight_test_trait.hpp>
15 #include <type_traits>
16 #include <tuple>
17 #include <utility>
18
19 struct X1 {};
20
main()21 int main()
22 {
23 using boost::mp11::mp_list;
24 using boost::mp11::mp_find_if_q;
25 using boost::mp11::mp_size_t;
26 using boost::mp11::mp_quote;
27
28 {
29 using L1 = mp_list<>;
30
31 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L1, mp_quote<std::is_const>>, mp_size_t<0>>));
32
33 using L2 = mp_list<X1, X1 const, X1 const, X1*, X1*, X1*>;
34
35 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_volatile>>, mp_size_t<6>>));
36 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_const>>, mp_size_t<1>>));
37 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_pointer>>, mp_size_t<3>>));
38 }
39
40 {
41 using L1 = std::tuple<>;
42
43 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L1, mp_quote<std::is_const>>, mp_size_t<0>>));
44
45 using L2 = std::tuple<X1, X1 const, X1 const, X1*, X1*, X1*>;
46
47 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_volatile>>, mp_size_t<6>>));
48 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_const>>, mp_size_t<1>>));
49 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_pointer>>, mp_size_t<3>>));
50 }
51
52 {
53 using L2 = std::pair<X1 const, X1*>;
54
55 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_volatile>>, mp_size_t<2>>));
56 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_const>>, mp_size_t<0>>));
57 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if_q<L2, mp_quote<std::is_pointer>>, mp_size_t<1>>));
58 }
59
60 return boost::report_errors();
61 }
62