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

   1
   2 // Copyright 2015, 2016 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
  20 int main()
  21 {
  22     using boost::mp11::mp_list;
  23     using boost::mp11::mp_all_of;
  24     using boost::mp11::mp_true;
  25     using boost::mp11::mp_false;
  26
  27     {
  28         using L1 = mp_list<>;
  29
  30         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L1, std::is_const>, mp_true>));
  31
  32         using L2 = mp_list<X1 const, X1 const, X1 const volatile, X1 const, X1 const volatile>;
  33
  34         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L2, std::is_volatile>, mp_false>));
  35         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L2, std::is_const>, mp_true>));
  36     }
  37
  38     {
  39         using L1 = std::tuple<>;
  40
  41         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L1, std::is_const>, mp_true>));
  42
  43         using L2 = std::tuple<X1 const, X1 const, X1 const volatile, X1 const, X1 const volatile>;
  44
  45         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L2, std::is_volatile>, mp_false>));
  46         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L2, std::is_const>, mp_true>));
  47     }
  48
  49     {
  50         using L2 = std::pair<X1 const, X1 const volatile>;
  51
  52         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L2, std::is_volatile>, mp_false>));
  53         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_all_of<L2, std::is_const>, mp_true>));
  54     }
  55
  56     return boost::report_errors();
  57 }