libstdc++-v3/testsuite/21_strings/char_traits/requirements/wchar_t/typedefs.cc

   1 // { dg-do compile }
   2 // 2001-02-11 gdr
   3 // Origin: Craig Rodrigues <rodrigc@mediaone.net>
   4
   5 // Copyright (C) 2001, 2003, 2007 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 2, 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 COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // 21.1.2: char_traits typedefs
  24
  25 #include <string>
  26
  27 int main()
  28 {
  29   // Check for required typedefs.
  30   typedef std::char_traits<wchar_t> test_type;
  31   typedef test_type::char_type char_type;
  32   typedef test_type::int_type int_type;
  33   typedef test_type::off_type off_type;
  34   typedef test_type::pos_type pos_type;
  35   typedef test_type::state_type state_type;
  36
  37   // 21.1.3: char_traits<wchar_t>::int_type == wint_t
  38   test_type::int_type* p = 0;
  39   wint_t* q __attribute__((unused)) = p;
  40
  41   return 0;
  42 }