libstdc++-v3/testsuite/19_diagnostics/error_category/generic_category.cc

   1 // Copyright (C) 2018-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19
  20 #include <system_error>
  21 #include <locale>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test01()
  26 {
  27   const char* name = std::generic_category().name();
  28   VERIFY( name == std::string("generic") );
  29 }
  30
  31 void
  32 test02()
  33 {
  34   const std::error_category& cat = std::generic_category();
  35   std::error_condition cond;
  36
  37   cond = cat.default_error_condition(EBADF);
  38   VERIFY( cond.value() == EBADF );
  39   VERIFY( cond == std::errc::bad_file_descriptor );
  40   VERIFY( cond.category() == std::generic_category() );
  41   cond = cat.default_error_condition(EACCES);
  42   VERIFY( cond.value() == EACCES );
  43   VERIFY( cond == std::errc::permission_denied );
  44   VERIFY( cond.category() == std::generic_category() );
  45
  46   // PR libstdc++/60555
  47   VERIFY( std::error_code(EBADF, cat) == std::errc::bad_file_descriptor );
  48   VERIFY( std::error_code(EACCES, cat) == std::errc::permission_denied );
  49 }
  50
  51 void
  52 test03()
  53 {
  54   // set "C" locale to get expected message
  55   auto loc = std::locale::global(std::locale::classic());
  56
  57   std::string msg = std::generic_category().message(EBADF);
  58   VERIFY( msg.find("file") != std::string::npos );
  59
  60   std::locale::global(loc);
  61 }
  62
  63 int
  64 main()
  65 {
  66   test01();
  67   test02();
  68   test03();
  69 }