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/core/lightweight_test_trait.hpp>
14 #include <type_traits>
15 #include <tuple>
16
17 struct X1 {};
18 struct X2 {};
19 struct X3 {};
20 struct X4 {};
21 struct X5 {};
22 struct X6 {};
23 struct X7 {};
24 struct X8 {};
25 struct X9 {};
26 struct X10 {};
27 struct X11 {};
28 struct X12 {};
29
30 using boost::mp11::mp_plus;
31
main()32 int main()
33 {
34 using boost::mp11::mp_list;
35 using boost::mp11::mp_reverse;
36
37 {
38 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<>>, mp_list<>>));
39 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1>>, mp_list<X1>>));
40 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2>>, mp_list<X2, X1>>));
41 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3>>, mp_list<X3, X2, X1>>));
42 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4>>, mp_list<X4, X3, X2, X1>>));
43 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5>>, mp_list<X5, X4, X3, X2, X1>>));
44 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6>>, mp_list<X6, X5, X4, X3, X2, X1>>));
45 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6, X7>>, mp_list<X7, X6, X5, X4, X3, X2, X1>>));
46 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6, X7, X8>>, mp_list<X8, X7, X6, X5, X4, X3, X2, X1>>));
47 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6, X7, X8, X9>>, mp_list<X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
48 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6, X7, X8, X9, X10>>, mp_list<X10, X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
49 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11>>, mp_list<X11, X10, X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
50 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<mp_list<X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12>>, mp_list<X12, X11, X10, X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
51 }
52
53 {
54 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<>>, std::tuple<>>));
55 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1>>, std::tuple<X1>>));
56 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2>>, std::tuple<X2, X1>>));
57 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3>>, std::tuple<X3, X2, X1>>));
58 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4>>, std::tuple<X4, X3, X2, X1>>));
59 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5>>, std::tuple<X5, X4, X3, X2, X1>>));
60 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6>>, std::tuple<X6, X5, X4, X3, X2, X1>>));
61 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6, X7>>, std::tuple<X7, X6, X5, X4, X3, X2, X1>>));
62 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6, X7, X8>>, std::tuple<X8, X7, X6, X5, X4, X3, X2, X1>>));
63 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6, X7, X8, X9>>, std::tuple<X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
64 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6, X7, X8, X9, X10>>, std::tuple<X10, X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
65 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11>>, std::tuple<X11, X10, X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
66 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::tuple<X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12>>, std::tuple<X12, X11, X10, X9, X8, X7, X6, X5, X4, X3, X2, X1>>));
67 }
68
69 {
70 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_reverse<std::pair<X1, X2>>, std::pair<X2, X1>>));
71 }
72
73 using boost::mp11::mp_iota_c;
74 using boost::mp11::mp_size_t;
75 using boost::mp11::mp_transform;
76 using boost::mp11::mp_fill;
77
78 {
79 int const N = 37;
80
81 using L = mp_iota_c<N>;
82
83 using R1 = mp_reverse<L>;
84 using R2 = mp_reverse<R1>;
85
86 BOOST_TEST_TRAIT_TRUE((std::is_same<R2, L>));
87
88 using R3 = mp_transform<mp_plus, R1, R2>;
89
90 BOOST_TEST_TRAIT_TRUE((std::is_same<R3, mp_fill<L, mp_size_t<N-1>>>));
91 }
92
93 return boost::report_errors();
94 }
95