libstdc++-v3/testsuite/22_locale/codecvt_members_char_char.cc

   1 // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com>
   2
   3 // Copyright (C) 2000, 2002 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
  22
  23 #include <locale>
  24 #include <testsuite_hooks.h>
  25
  26 // Required instantiation, degenerate conversion.
  27 // codecvt<char, char, mbstate_t>
  28 void test01()
  29 {
  30   using namespace std;
  31   typedef codecvt_base::result                  result;
  32   typedef codecvt<char, char, mbstate_t>        c_codecvt;
  33
  34   bool                  test = true;
  35   const char*           c_lit = "black pearl jasmine tea";
  36   const char*           from_next;
  37   int                   size = 25;
  38   char*                 c_arr = new char[size];
  39   char*                 to_next;
  40
  41   locale                loc;
  42   c_codecvt::state_type state;
  43   const c_codecvt*      cvt = &use_facet<c_codecvt>(loc);
  44
  45   // in
  46   result r1 = cvt->in(state, c_lit, c_lit + size, from_next,
  47                       c_arr, c_arr + size, to_next);
  48   VERIFY( r1 == codecvt_base::noconv );
  49   VERIFY( !strcmp(c_arr, c_lit) );
  50   VERIFY( from_next == c_lit );
  51   VERIFY( to_next == c_arr );
  52
  53   // out
  54   result r2 = cvt->out(state, c_lit, c_lit + size, from_next,
  55                        c_arr, c_arr + size, to_next);
  56   VERIFY( r2 == codecvt_base::noconv );
  57   VERIFY( !strcmp(c_arr, c_lit) );
  58   VERIFY( from_next == c_lit );
  59   VERIFY( to_next == c_arr );
  60
  61   // unshift
  62   strcpy(c_arr, c_lit);
  63   result r3 = cvt->unshift(state, c_arr, c_arr + size, to_next);
  64   VERIFY( r3 == codecvt_base::noconv );
  65   VERIFY( !strcmp(c_arr, c_lit) );
  66   VERIFY( to_next == c_arr );
  67
  68   int i = cvt->encoding();
  69   VERIFY( i == 1 );
  70
  71   VERIFY( cvt->always_noconv() );
  72
  73   int j = cvt->length(state, c_lit, c_lit + size, 5);
  74   VERIFY( j == 5 );
  75
  76   int k = cvt->max_length();
  77   VERIFY( k == 1 );
  78
  79   delete [] c_arr;
  80 }
  81
  82 // libstdc++/5280
  83 void test02()
  84 {
  85 #ifdef _GLIBCPP_HAVE_SETENV
  86   // Set the global locale to non-"C".
  87   std::locale loc_de("de_DE");
  88   std::locale::global(loc_de);
  89
  90   // Set LANG environment variable to de_DE.
  91   const char* oldLANG = getenv("LANG");
  92   if (!setenv("LANG", "de_DE", 1))
  93     {
  94       test01();
  95       setenv("LANG", oldLANG ? oldLANG : "", 1);
  96     }
  97 #endif
  98 }
  99
 100 // http://gcc.gnu.org/ml/libstdc++/2002-05/msg00038.html
 101 void test03()
 102 {
 103   bool test = true;
 104
 105   std::string loc1 = setlocale(LC_ALL, "ja_JP.eucjp");
 106   test01();
 107   std::string loc2 = setlocale(LC_ALL, NULL);
 108   VERIFY( loc1 == loc2 );
 109 }
 110
 111 int main ()
 112 {
 113   test01();
 114   test02();
 115   test03();
 116   return 0;
 117 }