| 1 | // Copyright 2021 Peter Dimov |
| 2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // https://www.boost.org/LICENSE_1_0.txt |
| 4 | |
| 5 | #include <boost/describe/descriptor_by_pointer.hpp> |
| 6 | #include <boost/describe/class.hpp> |
| 7 | #include <boost/describe/members.hpp> |
| 8 | #include <boost/core/lightweight_test.hpp> |
| 9 | |
| 10 | #if !defined(__cpp_nontype_template_parameter_auto) || __cpp_nontype_template_parameter_auto < 201606L |
| 11 | |
| 12 | #include <boost/config/pragma_message.hpp> |
| 13 | |
| 14 | BOOST_PRAGMA_MESSAGE("Skipping test because __cpp_nontype_template_parameter_auto is not defined" ) |
| 15 | int main() {} |
| 16 | |
| 17 | #else |
| 18 | |
| 19 | struct X |
| 20 | { |
| 21 | int a = 1; |
| 22 | float b = 3.14f; |
| 23 | }; |
| 24 | |
| 25 | BOOST_DESCRIBE_STRUCT(X, (), (a, b)) |
| 26 | |
| 27 | struct Y: public X |
| 28 | { |
| 29 | long a = 2; |
| 30 | double c = 3.14; |
| 31 | }; |
| 32 | |
| 33 | BOOST_DESCRIBE_STRUCT(Y, (X), (a, c)) |
| 34 | |
| 35 | int main() |
| 36 | { |
| 37 | using namespace boost::describe; |
| 38 | |
| 39 | { |
| 40 | using L = describe_members<X, mod_any_access>; |
| 41 | |
| 42 | using Da = descriptor_by_pointer<L, &X::a>; |
| 43 | BOOST_TEST_CSTR_EQ( Da::name, "a" ); |
| 44 | |
| 45 | using Db = descriptor_by_pointer<L, &X::b>; |
| 46 | BOOST_TEST_CSTR_EQ( Db::name, "b" ); |
| 47 | } |
| 48 | |
| 49 | { |
| 50 | using L = describe_members<Y, mod_any_access | mod_inherited>; |
| 51 | |
| 52 | using Da = descriptor_by_pointer<L, &Y::a>; |
| 53 | BOOST_TEST_CSTR_EQ( Da::name, "a" ); |
| 54 | |
| 55 | using Db = descriptor_by_pointer<L, &Y::b>; |
| 56 | BOOST_TEST_CSTR_EQ( Db::name, "b" ); |
| 57 | |
| 58 | using Dc = descriptor_by_pointer<L, &Y::c>; |
| 59 | BOOST_TEST_CSTR_EQ( Dc::name, "c" ); |
| 60 | } |
| 61 | |
| 62 | return boost::report_errors(); |
| 63 | } |
| 64 | |
| 65 | #endif // __cpp_nontype_template_parameter_auto |
| 66 | |