libstdc++-v3/testsuite/22_locale/locale/cons/5.cc

   1 // { dg-require-namedlocale "de_DE" }
   2 // { dg-require-namedlocale "en_PH" }
   3 // { dg-require-namedlocale "es_MX" }
   4 // { dg-require-namedlocale "fr_FR" }
   5 // { dg-require-namedlocale "it_IT" }
   6
   7 // 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
   8
   9 // Copyright (C) 2000-2022 Free Software Foundation, Inc.
  10 //
  11 // This file is part of the GNU ISO C++ Library.  This library is free
  12 // software; you can redistribute it and/or modify it under the
  13 // terms of the GNU General Public License as published by the
  14 // Free Software Foundation; either version 3, or (at your option)
  15 // any later version.
  16
  17 // This library is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21
  22 // You should have received a copy of the GNU General Public License along
  23 // with this library; see the file COPYING3.  If not see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 // 22.1.1.2 locale constructors and destructors [lib.locale.cons]
  27
  28 #include <cwchar> // for mbstate_t
  29 #include <cstring>
  30 #include <cstdlib>
  31 #include <locale>
  32 #include <stdexcept>
  33 #include <testsuite_hooks.h>
  34
  35 // More tests for locale("") == POSIX locale::name.
  36 void test04()
  37 {
  38   using namespace std;
  39
  40 #ifdef _GLIBCXX_HAVE_SETENV
  41
  42   char* LANG_orig = strdup(getenv("LANG") ? getenv("LANG") : "");
  43
  44   // Check that a "POSIX" LC_ALL is equivalent to "C".
  45   if (!setenv("LC_ALL", "POSIX", 1))
  46     {
  47       locale loc = locale("");
  48       VERIFY( loc.name() == "C" );
  49     }
  50   setenv("LC_ALL", "", 1);
  51
  52   // Check that a "en_PH" LC_ALL is equivalent to "en_PH".
  53   if (!setenv("LC_ALL", "en_PH", 1))
  54     {
  55       locale loc = locale("");
  56       VERIFY( loc.name() == "en_PH" );
  57     }
  58   setenv("LC_ALL", "", 1);
  59
  60   // Explicit check that LC_ALL sets regardless of LC_* and LANG.
  61   if (!setenv("LANG", "es_MX", 1) && !setenv("LC_COLLATE", "de_DE", 1))
  62     {
  63       if (!setenv("LC_ALL", "en_PH", 1))
  64         {
  65           locale loc = locale("");
  66           VERIFY( loc.name() == "en_PH" );
  67         }
  68       setenv("LC_ALL", "", 1);
  69       setenv("LANG", LANG_orig, 1);
  70     }
  71
  72   // NB: LANG checks all LC_* macro settings. As such, all LC_* macros
  73   // must be cleared for these tests.
  74   setenv("LC_ALL", "", 1);
  75   setenv("LC_CTYPE", "", 1);
  76   setenv("LC_NUMERIC", "", 1);
  77   setenv("LC_TIME", "", 1);
  78   setenv("LC_COLLATE", "", 1);
  79   setenv("LC_MONETARY", "", 1);
  80   setenv("LC_MESSAGES", "", 1);
  81 #if _GLIBCXX_NUM_CATEGORIES
  82   setenv("LC_PAPER", "", 1);
  83   setenv("LC_NAME", "", 1);
  84   setenv("LC_ADDRESS", "", 1);
  85   setenv("LC_TELEPHONE", "", 1);
  86   setenv("LC_MEASUREMENT", "", 1);
  87   setenv("LC_IDENTIFICATION", "", 1);
  88 #endif
  89
  90   // Check the default set by LANG.
  91   if (!setenv("LANG", "fr_FR", 1))
  92     {
  93       locale loc = locale("");
  94       VERIFY( loc.name() == "fr_FR" );
  95     }
  96
  97   // Check that a "POSIX" LANG is equivalent to "C".
  98   if (!setenv("LANG", "POSIX", 1))
  99     {
 100       locale loc("");
 101       VERIFY( loc.name() == "C" );
 102     }
 103
 104   // Setting a category in the "C" default.
 105   if (!setenv("LC_COLLATE", "de_DE", 1))
 106     {
 107       locale loc = locale("");
 108
 109 #if _GLIBCXX_NUM_CATEGORIES
 110       VERIFY( loc.name() == "LC_CTYPE=C;LC_NUMERIC=C;LC_TIME=C;"
 111               "LC_COLLATE=de_DE;LC_MONETARY=C;LC_MESSAGES=C;LC_PAPER=C;"
 112               "LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=C;"
 113               "LC_IDENTIFICATION=C" );
 114 #else
 115       VERIFY( loc.name() == "LC_CTYPE=C;LC_NUMERIC=C;LC_TIME=C;"
 116               "LC_COLLATE=de_DE;LC_MONETARY=C;LC_MESSAGES=C" );
 117 #endif
 118     }
 119
 120   // Changing the LANG default while LC_COLLATE is set.
 121   if (!setenv("LANG", "fr_FR", 1))
 122     {
 123       locale loc = locale("");
 124 #if _GLIBCXX_NUM_CATEGORIES
 125       VERIFY( loc.name() == "LC_CTYPE=fr_FR;LC_NUMERIC=fr_FR;"
 126               "LC_TIME=fr_FR;LC_COLLATE=de_DE;LC_MONETARY=fr_FR;"
 127               "LC_MESSAGES=fr_FR;LC_PAPER=fr_FR;LC_NAME=fr_FR;"
 128               "LC_ADDRESS=fr_FR;LC_TELEPHONE=fr_FR;LC_MEASUREMENT=fr_FR;"
 129               "LC_IDENTIFICATION=fr_FR" );
 130 #else
 131       VERIFY( loc.name() == "LC_CTYPE=fr_FR;LC_NUMERIC=fr_FR;"
 132               "LC_TIME=fr_FR;LC_COLLATE=de_DE;LC_MONETARY=fr_FR;"
 133               "LC_MESSAGES=fr_FR" );
 134 #endif
 135     }
 136
 137   // Changing another (C only) category.
 138 #if _GLIBCXX_NUM_CATEGORIES
 139   if (!setenv("LC_IDENTIFICATION", "it_IT", 1))
 140     {
 141       locale loc = locale("");
 142       VERIFY( loc.name() == "LC_CTYPE=fr_FR;LC_NUMERIC=fr_FR;"
 143               "LC_TIME=fr_FR;LC_COLLATE=de_DE;LC_MONETARY=fr_FR;"
 144               "LC_MESSAGES=fr_FR;LC_PAPER=fr_FR;LC_NAME=fr_FR;"
 145               "LC_ADDRESS=fr_FR;LC_TELEPHONE=fr_FR;LC_MEASUREMENT=fr_FR;"
 146               "LC_IDENTIFICATION=it_IT" );
 147     }
 148 #endif
 149
 150   free(LANG_orig);
 151
 152 #endif // _GLIBCXX_HAVE_SETENV
 153 }
 154
 155 int main()
 156 {
 157   test04();
 158   return 0;
 159 }