| 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/detail/pp_utilities.hpp> |
| 6 | #include <boost/describe/detail/config.hpp> |
| 7 | #include <boost/core/lightweight_test.hpp> |
| 8 | |
| 9 | #if !defined(BOOST_DESCRIBE_CXX11) |
| 10 | |
| 11 | #include <boost/config/pragma_message.hpp> |
| 12 | |
| 13 | BOOST_PRAGMA_MESSAGE("Skipping test because C++11 is not available") |
| 14 | int main() {} |
| 15 | |
| 16 | #else |
| 17 | |
| 18 | #define S(x) S2(x) |
| 19 | #define S2(x) #x |
| 20 | |
| 21 | #if defined(_MSC_VER) |
| 22 | # pragma warning(disable: 4003) // not enough arguments for macro invocation |
| 23 | #endif |
| 24 | |
| 25 | char const * s1 = S(BOOST_DESCRIBE_PP_IS_EMPTY()); |
| 26 | char const * s2 = S(BOOST_DESCRIBE_PP_IS_EMPTY(x)); |
| 27 | char const * s3 = S(BOOST_DESCRIBE_PP_IS_EMPTY(() x)); |
| 28 | char const * s4 = S(BOOST_DESCRIBE_PP_IS_EMPTY((a, b) x)); |
| 29 | |
| 30 | int main() |
| 31 | { |
| 32 | BOOST_TEST_CSTR_EQ( s1, "1"); |
| 33 | BOOST_TEST_CSTR_EQ( s2, "0"); |
| 34 | BOOST_TEST_CSTR_EQ( s3, "0"); |
| 35 | BOOST_TEST_CSTR_EQ( s4, "0"); |
| 36 | |
| 37 | return boost::report_errors(); |
| 38 | } |
| 39 | |
| 40 | #endif // !defined(BOOST_DESCRIBE_CXX11) |
| 41 |
