| 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 | #include <boost/core/lightweight_test.hpp> |
| 7 | |
| 8 | #include <boost/pfr/core.hpp> |
| 9 | |
| 10 | #include <string> |
| 11 | #include <typeindex> |
| 12 | #include <type_traits> |
| 13 | |
| 14 | namespace testing { |
| 15 | |
| 16 | namespace { |
| 17 | |
| 18 | struct other_anon { |
| 19 | int data; |
| 20 | }; |
| 21 | |
| 22 | struct anon { |
| 23 | other_anon a; |
| 24 | const other_anon b; |
| 25 | }; |
| 26 | |
| 27 | void test_in_anon_ns_const_field() { |
| 28 | anon x{.a: {.data: 1}, .b: {.data: 2}}; |
| 29 | |
| 30 | auto v = boost::pfr::structure_tie(val&: x); |
| 31 | using v_type = decltype(v); |
| 32 | using expected_type = std::tuple<other_anon&, const other_anon&>; |
| 33 | |
| 34 | // Use runtime check to make sure that Loophole fails to compile structure_tie |
| 35 | BOOST_TEST(typeid(expected_type) == typeid(v_type)); |
| 36 | } |
| 37 | |
| 38 | } // anonymous namespace |
| 39 | |
| 40 | void test_in_non_non_ns_const_field() { |
| 41 | anon x{.a: {.data: 1}, .b: {.data: 2}}; |
| 42 | |
| 43 | auto v = boost::pfr::structure_tie(val&: x); |
| 44 | using v_type = decltype(v); |
| 45 | using expected_type = std::tuple<other_anon&, const other_anon&>; |
| 46 | |
| 47 | // Use runtime check to make sure that Loophole fails to compile structure_tie |
| 48 | BOOST_TEST(typeid(expected_type) == typeid(v_type)); |
| 49 | } |
| 50 | |
| 51 | } // namespace testing |
| 52 | |
| 53 | int main() { |
| 54 | testing::test_in_anon_ns_const_field(); |
| 55 | testing::test_in_non_non_ns_const_field(); |
| 56 | |
| 57 | return boost::report_errors(); |
| 58 | } |
| 59 | |
| 60 | |
| 61 |