libstdc++-v3/testsuite/19_diagnostics/error_code/cons/1.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-additional-options "-static-libstdc++" { target *-*-mingw* } }
   3 // 2007-08-22 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2007-2021 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <system_error>
  23 #include <testsuite_error.h>
  24
  25 int main()
  26 {
  27   // 1
  28   std::error_code e1;
  29   VERIFY( e1.value() == 0 );
  30   VERIFY( e1.category() == std::system_category() );
  31
  32   // 2
  33   const __gnu_test::test_category cat;
  34   std::error_code e2(e1.value(), cat);
  35   VERIFY( e2.value() == e1.value() );
  36   VERIFY( e2.category() == cat );
  37
  38   // 3
  39   std::error_code e3(std::make_error_code(std::errc::operation_not_supported));
  40   VERIFY( e3.value() == int(std::errc::operation_not_supported) );
  41   VERIFY( e3.category() == std::generic_category() );
  42
  43   return 0;
  44 }