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

   1 // { dg-do compile { target c++11 } }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008-2024 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License
  18 // along with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <string>
  22 #include <cstdint>
  23
  24 int main()
  25 {
  26   // Check for required typedefs.
  27   typedef std::char_traits<char16_t> test_type;
  28   typedef test_type::char_type char_type;
  29   typedef test_type::int_type int_type;
  30   typedef test_type::off_type off_type;
  31   typedef test_type::pos_type pos_type;
  32   typedef test_type::state_type state_type;
  33
  34   // char_traits<char16_t>::int_type == uint_least16_t
  35   test_type::int_type* p = 0;
  36   std::uint_least16_t* q __attribute__((unused)) = p;
  37
  38   return 0;
  39 }