ceph/src/boost/libs/system/test/quick.cpp

   1 // Copyright 2017, 2021 Peter Dimov.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 // See library home page at http://www.boost.org/libs/system
   6
   7 #include <boost/system.hpp>
   8 #include <boost/core/lightweight_test.hpp>
   9 #include <cerrno>
  10
  11 int main()
  12 {
  13     boost::system::error_category const & bt = boost::system::generic_category();
  14
  15     int ev = ENOENT;
  16
  17     boost::system::error_code bc( ev, bt );
  18
  19     BOOST_TEST_EQ( bc.value(), ev );
  20     BOOST_TEST_EQ( &bc.category(), &bt );
  21
  22     boost::system::error_condition bn = bt.default_error_condition( ev );
  23
  24     BOOST_TEST_EQ( bn.value(), ev );
  25     BOOST_TEST_EQ( &bn.category(), &bt );
  26
  27     BOOST_TEST( bt.equivalent( ev, bn ) );
  28
  29     BOOST_TEST( bc == bn );
  30
  31     boost::system::error_code bc2 = make_error_code( boost::system::errc::no_such_file_or_directory );
  32
  33     BOOST_TEST_EQ( bc2, bc );
  34     BOOST_TEST_EQ( bc2.value(), ev );
  35     BOOST_TEST_EQ( &bc.category(), &bt );
  36
  37     boost::system::system_error x( bc, "prefix" );
  38
  39     BOOST_TEST_EQ( x.code(), bc );
  40     BOOST_TEST_EQ( std::string( x.what() ), "prefix: " + bc.what() );
  41
  42     return boost::report_errors();
  43 }