libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/2.cc

   1 // 2002-05-24 bkoz
   2
   3 // Copyright (C) 2002-2019 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
  21 // 22.2.1.3.2 ctype<char> members
  22
  23 #include <locale>
  24 #include <vector>
  25 #include <testsuite_hooks.h>
  26
  27 void test02()
  28 {
  29   using namespace std;
  30   typedef wchar_t       wide_type;
  31
  32   const char dfault = '?';
  33   const locale loc_c = locale::classic();
  34   const ctype<wide_type>& ctype_c = use_facet<ctype<wide_type> >(loc_c);
  35
  36   // Construct non-asci string.
  37   basic_string<wide_type>       wide(L"wibble");
  38   wide += wide_type(1240);
  39   wide += L"kibble";
  40   basic_string<char>            narrow("wibble");
  41   narrow += dfault;
  42   narrow += "kibble";
  43   vector<char>                  narrow_chars(wide.length() + 1);
  44
  45   // narrow(charT c, char dfault) const
  46   for (size_t i = 0; i < wide.length(); ++i)
  47     {
  48       char c = ctype_c.narrow(wide[i], dfault);
  49       VERIFY( c == narrow[i] );
  50     }
  51
  52   // narrow(const charT* low, const charT* high, char dfault, char* dest) const
  53   ctype_c.narrow(&wide[0], &wide[0] + wide.length(), dfault, &narrow_chars[0]);
  54   VERIFY( narrow_chars[0] != dfault );
  55   for (size_t i = 0; i < wide.length(); ++i)
  56     VERIFY( narrow_chars[i] == narrow[i] );
  57 }
  58
  59 int main()
  60 {
  61   test02();
  62   return 0;
  63 }