ceph/src/boost/libs/pfr/test/run/issue30.cpp

   1 // Copyright (c) 2018-2020 Antony Polukhin
   2 //
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 // Test case for https://github.com/apolukhin/magic_get/issues/30
   7
   8 #include <memory>
   9 #include <boost/pfr.hpp>
  10 #include <boost/core/lightweight_test.hpp>
  11
  12 struct Message {
  13   std::unique_ptr<int> data;
  14 };
  15
  16 struct Message2 {
  17   std::unique_ptr<int> data41 = std::make_unique<int>(41);
  18   std::unique_ptr<int> data42 = std::make_unique<int>(42);
  19 };
  20
  21 int main() {
  22   Message message;
  23   auto& ptr = boost::pfr::get<0>(message);
  24   BOOST_TEST(ptr == nullptr);
  25
  26   Message2 message2;
  27   auto& ptr2 = boost::pfr::get<1>(message2);
  28   BOOST_TEST_EQ(*ptr2, 42);
  29
  30   return boost::report_errors();
  31 }