1 
2 // Copyright 2017 Peter Dimov.
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 //
6 // See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt
8 
9 // See library home page at http://www.boost.org/libs/system
10 
11 #include <boost/system/system_error.hpp>
12 #include <boost/system/error_code.hpp>
13 #include <boost/core/lightweight_test.hpp>
14 #include <cerrno>
15 
main()16 int main()
17 {
18     boost::system::error_category const & bt = boost::system::generic_category();
19 
20     int ev = ENOENT;
21 
22     boost::system::error_code bc( ev, bt );
23 
24     BOOST_TEST_EQ( bc.value(), ev );
25     BOOST_TEST_EQ( &bc.category(), &bt );
26 
27     boost::system::error_condition bn = bt.default_error_condition( ev );
28 
29     BOOST_TEST_EQ( bn.value(), ev );
30     BOOST_TEST_EQ( &bn.category(), &bt );
31 
32     BOOST_TEST( bt.equivalent( ev, bn ) );
33 
34     BOOST_TEST( bc == bn );
35 
36     boost::system::system_error x( bc, "prefix" );
37 
38     BOOST_TEST_EQ( x.code(), bc );
39     BOOST_TEST_EQ( std::string( x.what() ), "prefix: " + bc.message() );
40 
41     return boost::report_errors();
42 }
43