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

   1 // { dg-do compile }
   2 // 2001-02-11 gdr
   3 // Origin: Craig Rodrigues <rodrigc@mediaone.net>
   4
   5 // Copyright (C) 2001-2013 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 // 21.1.2: char_traits typedefs
  23
  24 #include <string>
  25
  26 int main()
  27 {
  28   // Check for required typedefs.
  29   typedef std::char_traits<char> test_type;
  30   typedef test_type::char_type char_type;
  31   typedef test_type::int_type int_type;
  32   typedef test_type::off_type off_type;
  33   typedef test_type::pos_type pos_type;
  34   typedef test_type::state_type state_type;
  35
  36   // 21.1.3: char_traits<char>::int_type == int
  37   test_type::int_type* p = 0;
  38   int* q __attribute__((unused)) = p;
  39
  40   return 0;
  41 }