libstdc++-v3/testsuite/27_io/fpos/mbstate_t/12065.cc

   1 // Copyright (C) 2003, 2009
   2 // Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 3, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING3.  If not see
  17 // <http://www.gnu.org/licenses/>.
  18
  19 // 27.4.3 fpos
  20
  21 #include <typeinfo>
  22 #include <ios>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/12065
  26 void test01()
  27 {
  28   bool test __attribute__((unused)) = true;
  29
  30   std::streampos p(0);
  31   const std::streampos q(0);
  32   std::streamoff o(0);
  33
  34   VERIFY( typeid(p + o) == typeid(std::streampos) );
  35   VERIFY( typeid(q + o) == typeid(std::streampos) );
  36   VERIFY( typeid(p - o) == typeid(std::streampos) );
  37   VERIFY( typeid(q - o) == typeid(std::streampos) );
  38   VERIFY( typeid(p - q) == typeid(std::streamoff) );
  39   VERIFY( typeid(q - p) == typeid(std::streamoff) );
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45   return 0;
  46 }