libstdc++-v3/testsuite/21_strings/char_traits/requirements/char16_t/typedefs.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++11" }
   3 // { dg-require-cstdint "" }
   4
   5 // Copyright (C) 2008-2015 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
  19 // along with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <string>
  23 #include <cstdint>
  24
  25 int main()
  26 {
  27   // Check for required typedefs.
  28   typedef std::char_traits<char16_t> test_type;
  29   typedef test_type::char_type char_type;
  30   typedef test_type::int_type int_type;
  31   typedef test_type::off_type off_type;
  32   typedef test_type::pos_type pos_type;
  33   typedef test_type::state_type state_type;
  34
  35   // char_traits<char16_t>::int_type == uint_least16_t
  36   test_type::int_type* p = 0;
  37   std::uint_least16_t* q __attribute__((unused)) = p;
  38
  39   return 0;
  40 }