ceph/src/boost/libs/asio/test/properties/cpp03/can_require_not_applicable_unsupported.cpp

   1 //
   2 // cpp03/can_require_not_applicable_unsupported.cpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #include <boost/asio/require.hpp>
  12 #include <cassert>
  13
  14 template <int>
  15 struct prop
  16 {
  17 };
  18
  19 template <int>
  20 struct object
  21 {
  22 };
  23
  24 int main()
  25 {
  26   assert((!boost::asio::can_require<object<1>, prop<2> >::value));
  27   assert((!boost::asio::can_require<object<1>, prop<2>, prop<3> >::value));
  28   assert((!boost::asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
  29   assert((!boost::asio::can_require<const object<1>, prop<2> >::value));
  30   assert((!boost::asio::can_require<const object<1>, prop<2>, prop<3> >::value));
  31   assert((!boost::asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
  32 }