ceph/src/boost/libs/mp11/test/mp_replace_if.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/core/lightweight_test_trait.hpp>
  13 #include <type_traits>
  14 #include <tuple>
  15 #include <utility>
  16
  17 struct X1 {};
  18
  19 int main()
  20 {
  21     using boost::mp11::mp_list;
  22     using boost::mp11::mp_replace_if;
  23
  24     {
  25         using L1 = mp_list<>;
  26
  27         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L1, std::is_const, void>, L1>));
  28
  29         using L2 = mp_list<X1, X1 const, X1*, X1 const, X1*, X1*>;
  30
  31         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_volatile, void>, L2>));
  32         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_const, void>, mp_list<X1, void, X1*, void, X1*, X1*>>));
  33         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_pointer, void>, mp_list<X1, X1 const, void, X1 const, void, void>>));
  34     }
  35
  36     {
  37         using L1 = std::tuple<>;
  38
  39         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L1, std::is_const, void>, L1>));
  40
  41         using L2 = std::tuple<X1, X1 const, X1*, X1 const, X1*, X1*>;
  42
  43         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_volatile, void>, L2>));
  44         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_const, void>, std::tuple<X1, void, X1*, void, X1*, X1*>>));
  45         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_pointer, void>, std::tuple<X1, X1 const, void, X1 const, void, void>>));
  46     }
  47
  48     {
  49         using L2 = std::pair<X1 const, X1*>;
  50
  51         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_volatile, void>, L2>));
  52         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_const, void>, std::pair<void, X1*>>));
  53         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_if<L2, std::is_pointer, void>, std::pair<X1 const, void>>));
  54     }
  55
  56     return boost::report_errors();
  57 }