ceph/src/boost/libs/mp11/test/mp_rotate_right.cpp

   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
  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 }