libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/2.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
   4
   5 // Copyright (C) 2000, 2002, 2003, 2005 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  20 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21 // USA.
  22
  23 // 22.1.1.5 locale static members [lib.locale.statics]
  24
  25 #include <cwchar> // for mbstate_t
  26 #include <locale>
  27 #include <testsuite_hooks.h>
  28
  29 // Sanity check locale::global(loc) and setlocale.
  30 void test02()
  31 {
  32   using namespace std;
  33   bool test __attribute__((unused)) = true;
  34
  35   const string ph("en_PH");
  36   const string mx("es_MX");
  37   const char* orig = setlocale(LC_ALL, NULL);
  38   const char* testph = setlocale(LC_ALL, ph.c_str());
  39   const char* testmx = setlocale(LC_ALL, mx.c_str());
  40   setlocale(LC_ALL, orig);
  41
  42   // If the underlying locale doesn't support these names, setlocale
  43   // won't be reset. Therefore, disable unless we know these specific
  44   // named locales work.
  45   if (testph && testmx)
  46     {
  47       const locale loc_ph = locale(ph.c_str());
  48       const locale loc_mx = locale(mx.c_str());
  49
  50       // Use setlocale between two calls to locale("")
  51       const locale loc_env_1 = locale("");
  52       setlocale(LC_ALL, ph.c_str());
  53       const locale loc_env_2 = locale("");
  54       VERIFY( loc_env_1 == loc_env_2 );
  55
  56       // Change global locale.
  57       locale global_orig = locale::global(loc_mx);
  58       const char* lc_all_mx = setlocale(LC_ALL, NULL);
  59       if (lc_all_mx)
  60         {
  61           VERIFY( mx == lc_all_mx );
  62         }
  63
  64       // Restore global settings.
  65       locale::global(global_orig);
  66     }
  67 }
  68
  69 int main ()
  70 {
  71   test02();
  72   return 0;
  73 }