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

   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/utility.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
  21 int main()
  22 {
  23     using boost::mp11::mp_list;
  24     using boost::mp11::mp_partition_q;
  25     using boost::mp11::mp_quote;
  26
  27     {
  28         using L1 = mp_list<>;
  29
  30         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L1, mp_quote<std::is_const>>, mp_list<L1, L1>>));
  31
  32         using L2 = mp_list<X1, X1 const, X1*, X2 const, X2*, X3*>;
  33
  34         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L2, mp_quote<std::is_volatile>>, mp_list<L1, L2>>));
  35         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L2, mp_quote<std::is_const>>, mp_list<mp_list<X1 const, X2 const>, mp_list<X1, X1*, X2*, X3*>>>));
  36         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L2, mp_quote<std::is_pointer>>, mp_list<mp_list<X1*, X2*, X3*>, mp_list<X1, X1 const, X2 const>>>));
  37     }
  38
  39     {
  40         using L1 = std::tuple<>;
  41
  42         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L1, mp_quote<std::is_const>>, std::tuple<L1, L1>>));
  43
  44         using L2 = std::tuple<X1, X1 const, X1*, X2 const, X2*, X3*>;
  45
  46         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L2, mp_quote<std::is_volatile>>, std::tuple<L1, L2>>));
  47         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L2, mp_quote<std::is_const>>, std::tuple<std::tuple<X1 const, X2 const>, std::tuple<X1, X1*, X2*, X3*>>>));
  48         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_partition_q<L2, mp_quote<std::is_pointer>>, std::tuple<std::tuple<X1*, X2*, X3*>, std::tuple<X1, X1 const, X2 const>>>));
  49     }
  50
  51     return boost::report_errors();
  52 }