| 1 | // Copyright (c) 2020-2024 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 | |
| 7 | #include <boost/pfr/core.hpp> |
| 8 | |
| 9 | #include <boost/type_index.hpp> |
| 10 | |
| 11 | #include <boost/core/lightweight_test.hpp> |
| 12 | |
| 13 | namespace testing { |
| 14 | |
| 15 | namespace { |
| 16 | |
| 17 | struct other_anon { |
| 18 | int data; |
| 19 | }; |
| 20 | |
| 21 | struct anon { |
| 22 | other_anon a; |
| 23 | const other_anon b; |
| 24 | }; |
| 25 | |
| 26 | void test_get_in_anon_ns_const_field() { |
| 27 | anon x{.a: {.data: 1}, .b: {.data: 2}}; |
| 28 | |
| 29 | BOOST_TEST_EQ(boost::pfr::get<0>(x).data, 1); |
| 30 | auto x0_type = boost::typeindex::type_id_with_cvr<decltype( |
| 31 | boost::pfr::get<0>(val&: x) |
| 32 | )>(); |
| 33 | // Use runtime check to make sure that Loophole fails to compile structure_tie |
| 34 | BOOST_TEST_EQ(x0_type, boost::typeindex::type_id_with_cvr<other_anon&>()); |
| 35 | |
| 36 | BOOST_TEST_EQ(boost::pfr::get<1>(x).data, 2); |
| 37 | auto x1_type = boost::typeindex::type_id_with_cvr<decltype( |
| 38 | boost::pfr::get<1>(val&: x) |
| 39 | )>(); |
| 40 | // Use runtime check to make sure that Loophole fails to compile structure_tie |
| 41 | BOOST_TEST_EQ(x1_type, boost::typeindex::type_id_with_cvr<const other_anon&>()); |
| 42 | } |
| 43 | |
| 44 | } // anonymous namespace |
| 45 | |
| 46 | |
| 47 | } // namespace testing |
| 48 | |
| 49 | int main() { |
| 50 | testing::test_get_in_anon_ns_const_field(); |
| 51 | |
| 52 | return boost::report_errors(); |
| 53 | } |
| 54 | |
| 55 | |
| 56 |