| 1 | |
|---|---|
| 2 | // Copyright 2018 Peter Dimov. |
| 3 | // Distributed under the Boost Software License, Version 1.0. |
| 4 | |
| 5 | #include <boost/system/error_code.hpp> |
| 6 | #include <boost/config/pragma_message.hpp> |
| 7 | #include <boost/static_assert.hpp> |
| 8 | |
| 9 | #if !defined(BOOST_SYSTEM_HAS_CONSTEXPR) |
| 10 | |
| 11 | BOOST_PRAGMA_MESSAGE("Skipping constexpr test, BOOST_SYSTEM_HAS_CONSTEXPR isn't defined") |
| 12 | int main() {} |
| 13 | |
| 14 | #else |
| 15 | |
| 16 | using namespace boost::system; |
| 17 | |
| 18 | constexpr error_code ec1( 1, system_category() ); |
| 19 | |
| 20 | BOOST_STATIC_ASSERT( ec1.failed() ); |
| 21 | BOOST_STATIC_ASSERT( ec1 ); |
| 22 | BOOST_STATIC_ASSERT( !!ec1 ); |
| 23 | |
| 24 | constexpr error_code ec2( 2, generic_category() ); |
| 25 | |
| 26 | BOOST_STATIC_ASSERT( ec2.failed() ); |
| 27 | BOOST_STATIC_ASSERT( ec2 ); |
| 28 | BOOST_STATIC_ASSERT( !!ec2 ); |
| 29 | |
| 30 | constexpr error_code ec3; |
| 31 | |
| 32 | BOOST_STATIC_ASSERT( !ec3.failed() ); |
| 33 | BOOST_STATIC_ASSERT( ec3? false: true ); |
| 34 | BOOST_STATIC_ASSERT( !ec3 ); |
| 35 | |
| 36 | #if defined(__GNUC__) && __GNUC__ == 7 && __cplusplus == 201703L |
| 37 | |
| 38 | // 'cat_' is not a constant expression |
| 39 | |
| 40 | #else |
| 41 | |
| 42 | constexpr error_condition en1( 1, system_category() ); |
| 43 | |
| 44 | BOOST_STATIC_ASSERT( en1.failed() ); |
| 45 | BOOST_STATIC_ASSERT( en1 ); |
| 46 | BOOST_STATIC_ASSERT( !!en1 ); |
| 47 | |
| 48 | constexpr error_condition en2( 2, generic_category() ); |
| 49 | |
| 50 | BOOST_STATIC_ASSERT( en2.failed() ); |
| 51 | BOOST_STATIC_ASSERT( en2 ); |
| 52 | BOOST_STATIC_ASSERT( !!en2 ); |
| 53 | |
| 54 | constexpr error_condition en3; |
| 55 | |
| 56 | BOOST_STATIC_ASSERT( !en3.failed() ); |
| 57 | BOOST_STATIC_ASSERT( en3? false: true ); |
| 58 | BOOST_STATIC_ASSERT( !en3 ); |
| 59 | |
| 60 | #endif |
| 61 | |
| 62 | int main() |
| 63 | { |
| 64 | } |
| 65 | |
| 66 | #endif |
| 67 |