| 1 | // Copyright 2023 Peter Dimov. |
|---|---|
| 2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // http://www.boost.org/LICENSE_1_0.txt |
| 4 | |
| 5 | #include <boost/system/error_category.hpp> |
| 6 | #include <boost/core/lightweight_test.hpp> |
| 7 | #include <boost/core/snprintf.hpp> |
| 8 | #include <system_error> |
| 9 | |
| 10 | // get_user_category |
| 11 | |
| 12 | class user_category: public boost::system::error_category |
| 13 | { |
| 14 | public: |
| 15 | |
| 16 | virtual const char * name() const noexcept |
| 17 | { |
| 18 | return "user"; |
| 19 | } |
| 20 | |
| 21 | virtual std::string message( int ev ) const |
| 22 | { |
| 23 | char buffer[ 256 ]; |
| 24 | boost::core::snprintf( s: buffer, maxlen: sizeof( buffer ), format: "user message %d", ev ); |
| 25 | |
| 26 | return buffer; |
| 27 | } |
| 28 | }; |
| 29 | |
| 30 | boost::system::error_category const & get_user_category() |
| 31 | { |
| 32 | static user_category instance; |
| 33 | return instance; |
| 34 | } |
| 35 | |
| 36 | // |
| 37 | |
| 38 | bool init_lwt = (boost::core::lwt_init(), true); |
| 39 | |
| 40 | std::error_category const & cat = get_user_category(); |
| 41 | |
| 42 | int main() |
| 43 | { |
| 44 | BOOST_TEST_CSTR_EQ( cat.name(), "user"); |
| 45 | return boost::report_errors(); |
| 46 | } |
| 47 |