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

   1 // { dg-options "-std=gnu++0x" }
   2 // 2007-08-22 Benjamin Kosnik  <bkoz@redhat.com>
   3
   4 // Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 #include <system_error>
  23 #include <testsuite_error.h>
  24
  25 int main()
  26 {
  27   bool test __attribute__((unused)) = true;
  28
  29   // 1
  30   std::error_code e1;
  31   VERIFY( e1.value() == 0 );
  32   VERIFY( e1.category() == std::system_category() );
  33
  34   // 2
  35   const __gnu_test::test_category cat;
  36   std::error_code e2(e1.value(), cat);
  37   VERIFY( e2.value() == e1.value() );
  38   VERIFY( e2.category() == cat );
  39
  40   // 3
  41   std::error_code e3(std::errc::operation_not_supported);
  42   VERIFY( e3.value() == int(std::errc::operation_not_supported) );
  43   VERIFY( e3.category() == std::generic_category() );
  44
  45   return 0;
  46 }