libstdc++-v3/testsuite/22_locale/ctype/narrow/char/1.cc

   1 // 2002-05-24 bkoz
   2
   3 // Copyright (C) 2002, 2003 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 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 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // 22.2.1.3.2 ctype<char> members
  31
  32 #include <locale>
  33 #include <vector>
  34 #include <testsuite_hooks.h>
  35
  36 // libstdc++/6701
  37 void test01()
  38 {
  39   using namespace std;
  40   typedef char  wide_type;
  41
  42   bool test __attribute__((unused)) = true;
  43   const char dfault = '?';
  44   const locale loc_c = locale::classic();
  45   const ctype<wide_type>& ctype_c = use_facet<ctype<wide_type> >(loc_c);
  46
  47   basic_string<wide_type>       wide("wibble");
  48   basic_string<char>            narrow("wibble");
  49   vector<char>                  narrow_chars(wide.length() + 1);
  50
  51   // narrow(charT c, char dfault) const
  52   for (size_t i = 0; i < wide.length(); ++i)
  53     {
  54       char c = ctype_c.narrow(wide[i], dfault);
  55       VERIFY( c == narrow[i] );
  56     }
  57
  58   // narrow(const charT* low, const charT* high, char dfault, char* dest) const
  59   ctype_c.narrow(&wide[0], &wide[0] + wide.length(), dfault, &narrow_chars[0]);
  60   VERIFY( narrow_chars[0] != dfault );
  61   for (size_t i = 0; i < wide.length(); ++i)
  62     VERIFY( narrow_chars[i] == narrow[i] );
  63 }
  64
  65 int main()
  66 {
  67   test01();
  68   return 0;
  69 }