libstdc++-v3/testsuite/19_diagnostics/error_code/operators/not_equal.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // 2007-08-22 Benjamin Kosnik  <bkoz@redhat.com>
   3
   4 // Copyright (C) 2007 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_hooks.h>
  24
  25 namespace __gnu_test
  26 {
  27   struct test_category : public std::error_category
  28   {
  29     virtual std::posix_error::posix_errno
  30     posix(int __v) const
  31     { return std::posix_error::posix_errno(__v); }
  32
  33     virtual const std::string&
  34     name() const
  35     {
  36       static std::string s("__gnu_test::test_category");
  37       return s;
  38     }
  39   };
  40 }
  41
  42 // unspecified bool operator positive tests
  43 int main()
  44 {
  45   bool test __attribute__((unused)) = true;
  46
  47   std::error_code e1;
  48   std::error_code e2(std::posix_error::operation_not_supported);
  49
  50   VERIFY( !(e1 != e1) );
  51   VERIFY( e1 != e2 );
  52
  53   const __gnu_test::test_category cat;
  54   std::error_code e3(e2.value(), cat);
  55   VERIFY( e2 != e3 );
  56
  57   return 0;
  58 }