| 1 | // Copyright 2021 Peter Dimov |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // https://www.boost.org/LICENSE_1_0.txt |
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| 4 | |
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| 5 | #include <boost/describe/detail/pp_utilities.hpp> |
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| 6 | #include <boost/describe/detail/config.hpp> |
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| 7 | #include <boost/core/lightweight_test.hpp> |
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| 8 | |
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| 9 | #if !defined(BOOST_DESCRIBE_CXX11) |
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| 10 | |
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| 11 | #include <boost/config/pragma_message.hpp> |
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| 12 | |
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| 13 | BOOST_PRAGMA_MESSAGE("Skipping test because C++11 is not available" ) |
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| 14 | int main() {} |
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| 15 | |
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| 16 | #else |
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| 17 | |
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| 18 | #define S(x) S2(x) |
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| 19 | #define S2(x) S3(x) |
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| 20 | #define S3(x) #x |
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| 21 | |
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| 22 | #define F(a, x) (a, x) |
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| 23 | |
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| 24 | #if defined(_MSC_VER) |
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| 25 | # pragma warning(disable: 4003) // not enough arguments for macro invocation |
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| 26 | #endif |
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| 27 | |
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| 28 | char const * s1 = S(BOOST_DESCRIBE_PP_CALL(F, a, x)); |
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| 29 | char const * s2 = "" S(BOOST_DESCRIBE_PP_CALL(F, a, )); |
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| 30 | char const * s3 = S(BOOST_DESCRIBE_PP_CALL(F, a, () x)); |
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| 31 | char const * s4 = S(BOOST_DESCRIBE_PP_CALL(F, a, (b, c) x)); |
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| 32 | |
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| 33 | int main() |
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| 34 | { |
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| 35 | BOOST_TEST_CSTR_EQ( s1, "(a, x)" ); |
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| 36 | BOOST_TEST_CSTR_EQ( s2, "" ); |
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| 37 | BOOST_TEST_CSTR_EQ( s3, "(a, () x)" ); |
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| 38 | BOOST_TEST_CSTR_EQ( s4, "(a, (b, c) x)" ); |
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| 39 | |
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| 40 | return boost::report_errors(); |
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| 41 | } |
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| 42 | |
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| 43 | #endif // !defined(BOOST_DESCRIBE_CXX11) |
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| 44 | |
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