libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/1.cc

   1 // 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
   2
   3 // Copyright (C) 2000-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 22.1.1.5 locale static members [lib.locale.statics]
  21
  22 #include <cwchar> // for mbstate_t
  23 #include <locale>
  24 #include <testsuite_hooks.h>
  25
  26 typedef std::codecvt<char, char, std::mbstate_t> ccodecvt;
  27 class gnu_codecvt: public ccodecvt { };
  28
  29 void test01()
  30 {
  31   using namespace std;
  32
  33   string str1, str2;
  34
  35   // Construct a locale object with the C facet.
  36   const locale loc01 = locale::classic();
  37
  38   // Construct a locale object with the specialized facet.
  39   locale loc02(locale::classic(), new gnu_codecvt);
  40   VERIFY ( loc01 != loc02 );
  41   VERIFY ( !(loc01 == loc02) );
  42
  43   // classic
  44   locale loc06("C");
  45   VERIFY (loc06 == loc01);
  46   str1 = loc06.name();
  47   VERIFY( str1 == "C" );
  48
  49   // global
  50   locale loc03;
  51   VERIFY ( loc03 == loc01);
  52   locale global_orig = locale::global(loc02);
  53   locale loc05;
  54   VERIFY (loc05 != loc03);
  55   VERIFY (loc05 == loc02);
  56
  57   // Reset global settings.
  58   locale::global(global_orig);
  59 }
  60
  61 int main ()
  62 {
  63   test01();
  64   return 0;
  65 }