1
2 // Copyright 2015 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 #include <utility>
17
18 struct X1 {};
19 struct X2 {};
20 struct X3 {};
21 struct X4 {};
22 struct X5 {};
23
main()24 int main()
25 {
26 using boost::mp11::mp_list;
27 using boost::mp11::mp_rotate_right;
28 using boost::mp11::mp_rotate_right_c;
29 using boost::mp11::mp_size_t;
30
31 {
32 using L1 = mp_list<>;
33
34 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 0>, L1>));
35 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 1>, L1>));
36 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 2>, L1>));
37 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 3>, L1>));
38 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 4>, L1>));
39
40 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<0>>, L1>));
41 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<1>>, L1>));
42 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<2>>, L1>));
43 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<3>>, L1>));
44 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<4>>, L1>));
45
46 using L2 = mp_list<X1, X2, X3, X4, X5>;
47
48 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 0>, mp_list<X1, X2, X3, X4, X5>>));
49 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 1>, mp_list<X5, X1, X2, X3, X4>>));
50 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 2>, mp_list<X4, X5, X1, X2, X3>>));
51 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 3>, mp_list<X3, X4, X5, X1, X2>>));
52 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 4>, mp_list<X2, X3, X4, X5, X1>>));
53 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 5>, mp_list<X1, X2, X3, X4, X5>>));
54 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 6>, mp_list<X5, X1, X2, X3, X4>>));
55 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 7>, mp_list<X4, X5, X1, X2, X3>>));
56 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 8>, mp_list<X3, X4, X5, X1, X2>>));
57 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 9>, mp_list<X2, X3, X4, X5, X1>>));
58 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 10>, mp_list<X1, X2, X3, X4, X5>>));
59
60 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<0>>, mp_list<X1, X2, X3, X4, X5>>));
61 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<1>>, mp_list<X5, X1, X2, X3, X4>>));
62 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<2>>, mp_list<X4, X5, X1, X2, X3>>));
63 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<3>>, mp_list<X3, X4, X5, X1, X2>>));
64 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<4>>, mp_list<X2, X3, X4, X5, X1>>));
65 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<5>>, mp_list<X1, X2, X3, X4, X5>>));
66 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<6>>, mp_list<X5, X1, X2, X3, X4>>));
67 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<7>>, mp_list<X4, X5, X1, X2, X3>>));
68 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<8>>, mp_list<X3, X4, X5, X1, X2>>));
69 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<9>>, mp_list<X2, X3, X4, X5, X1>>));
70 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<10>>, mp_list<X1, X2, X3, X4, X5>>));
71 }
72
73 {
74 using L1 = std::tuple<>;
75
76 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 0>, L1>));
77 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 1>, L1>));
78 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 2>, L1>));
79 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 3>, L1>));
80 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 4>, L1>));
81
82 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<0>>, L1>));
83 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<1>>, L1>));
84 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<2>>, L1>));
85 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<3>>, L1>));
86 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<4>>, L1>));
87
88 using L2 = std::tuple<X1, X2, X3, X4, X5>;
89
90 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 0>, std::tuple<X1, X2, X3, X4, X5>>));
91 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 1>, std::tuple<X5, X1, X2, X3, X4>>));
92 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 2>, std::tuple<X4, X5, X1, X2, X3>>));
93 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 3>, std::tuple<X3, X4, X5, X1, X2>>));
94 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 4>, std::tuple<X2, X3, X4, X5, X1>>));
95 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 5>, std::tuple<X1, X2, X3, X4, X5>>));
96 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 6>, std::tuple<X5, X1, X2, X3, X4>>));
97 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 7>, std::tuple<X4, X5, X1, X2, X3>>));
98 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 8>, std::tuple<X3, X4, X5, X1, X2>>));
99 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 9>, std::tuple<X2, X3, X4, X5, X1>>));
100 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L2, 10>, std::tuple<X1, X2, X3, X4, X5>>));
101
102 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<0>>, std::tuple<X1, X2, X3, X4, X5>>));
103 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<1>>, std::tuple<X5, X1, X2, X3, X4>>));
104 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<2>>, std::tuple<X4, X5, X1, X2, X3>>));
105 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<3>>, std::tuple<X3, X4, X5, X1, X2>>));
106 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<4>>, std::tuple<X2, X3, X4, X5, X1>>));
107 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<5>>, std::tuple<X1, X2, X3, X4, X5>>));
108 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<6>>, std::tuple<X5, X1, X2, X3, X4>>));
109 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<7>>, std::tuple<X4, X5, X1, X2, X3>>));
110 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<8>>, std::tuple<X3, X4, X5, X1, X2>>));
111 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<9>>, std::tuple<X2, X3, X4, X5, X1>>));
112 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L2, mp_size_t<10>>, std::tuple<X1, X2, X3, X4, X5>>));
113 }
114
115 {
116 using L1 = std::pair<X1, X2>;
117
118 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 0>, L1>));
119 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 2>, L1>));
120 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 4>, L1>));
121
122 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 1>, std::pair<X2, X1>>));
123 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 3>, std::pair<X2, X1>>));
124 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right_c<L1, 5>, std::pair<X2, X1>>));
125
126 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<0>>, L1>));
127 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<2>>, L1>));
128 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<4>>, L1>));
129
130 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<1>>, std::pair<X2, X1>>));
131 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<3>>, std::pair<X2, X1>>));
132 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rotate_right<L1, mp_size_t<5>>, std::pair<X2, X1>>));
133 }
134
135 return boost::report_errors();
136 }
137