libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc

   1 // { dg-require-namedlocale "en_US.ISO8859-1" }
   2
   3 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
   4
   5 // Copyright (C) 2003-2024 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
  23
  24 #include <locale>
  25 #include <testsuite_hooks.h>
  26
  27 // Required instantiation
  28 // codecvt<wchar_t, char, mbstate_t>
  29 //
  30 // Test do_encoding with ISO8859-1 locale.
  31 void test03()
  32 {
  33   using namespace std;
  34   typedef codecvt<wchar_t, char, mbstate_t>     w_codecvt;
  35
  36   locale loc = locale(ISO_8859(1,en_US));
  37   locale::global(loc);
  38   const w_codecvt*      cvt = &use_facet<w_codecvt>(loc);
  39
  40   int i = cvt->encoding();
  41   VERIFY( i == 1 ); // ISO8859-1 is a single-byte encoding
  42 }
  43
  44 int main ()
  45 {
  46   test03();
  47   return 0;
  48 }