ceph/src/boost/libs/mp11/test/integer_sequence.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/integer_sequence.hpp>
  11 #include <boost/core/lightweight_test_trait.hpp>
  12 #include <type_traits>
  13
  14 int main()
  15 {
  16     using boost::mp11::integer_sequence;
  17     using boost::mp11::make_integer_sequence;
  18     using boost::mp11::index_sequence;
  19     using boost::mp11::make_index_sequence;
  20     using boost::mp11::index_sequence_for;
  21
  22     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<int, 0>, integer_sequence<int>>));
  23     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<int, 1>, integer_sequence<int, 0>>));
  24     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<int, 2>, integer_sequence<int, 0, 1>>));
  25     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<int, 3>, integer_sequence<int, 0, 1, 2>>));
  26     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<int, 4>, integer_sequence<int, 0, 1, 2, 3>>));
  27
  28     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<char, 0>, integer_sequence<char>>));
  29     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<char, 1>, integer_sequence<char, 0>>));
  30     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<char, 2>, integer_sequence<char, 0, 1>>));
  31     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<char, 3>, integer_sequence<char, 0, 1, 2>>));
  32     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<char, 4>, integer_sequence<char, 0, 1, 2, 3>>));
  33
  34     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<std::size_t, 0>, integer_sequence<std::size_t>>));
  35     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<std::size_t, 1>, integer_sequence<std::size_t, 0>>));
  36     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<std::size_t, 2>, integer_sequence<std::size_t, 0, 1>>));
  37     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<std::size_t, 3>, integer_sequence<std::size_t, 0, 1, 2>>));
  38     BOOST_TEST_TRAIT_TRUE((std::is_same<make_integer_sequence<std::size_t, 4>, integer_sequence<std::size_t, 0, 1, 2, 3>>));
  39
  40     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<0>, integer_sequence<std::size_t>>));
  41     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<1>, integer_sequence<std::size_t, 0>>));
  42     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<2>, integer_sequence<std::size_t, 0, 1>>));
  43     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<3>, integer_sequence<std::size_t, 0, 1, 2>>));
  44     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<4>, integer_sequence<std::size_t, 0, 1, 2, 3>>));
  45
  46     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<0>, index_sequence<>>));
  47     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<1>, index_sequence<0>>));
  48     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<2>, index_sequence<0, 1>>));
  49     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<3>, index_sequence<0, 1, 2>>));
  50     BOOST_TEST_TRAIT_TRUE((std::is_same<make_index_sequence<4>, index_sequence<0, 1, 2, 3>>));
  51
  52     BOOST_TEST_TRAIT_TRUE((std::is_same<index_sequence_for<>, index_sequence<>>));
  53     BOOST_TEST_TRAIT_TRUE((std::is_same<index_sequence_for<void>, index_sequence<0>>));
  54     BOOST_TEST_TRAIT_TRUE((std::is_same<index_sequence_for<void, void>, index_sequence<0, 1>>));
  55     BOOST_TEST_TRAIT_TRUE((std::is_same<index_sequence_for<void, void, void>, index_sequence<0, 1, 2>>));
  56     BOOST_TEST_TRAIT_TRUE((std::is_same<index_sequence_for<void, void, void, void>, index_sequence<0, 1, 2, 3>>));
  57
  58     return boost::report_errors();
  59 }