libstdc++-v3/testsuite/27_io/types/2.cc

   1 // Copyright (C) 2003-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 27.4.2.1 - Types [lib.ios.types]
  19
  20 #include <ios>
  21 #include <testsuite_hooks.h>
  22
  23 void test01()
  24 {
  25   std::streamsize ssize = 0;
  26   std::streamoff soff;
  27
  28   // No signed/unsigned warnings.
  29   long l __attribute__((unused)) = ssize;
  30
  31   // Wrapped in pos_type is EOF.
  32   soff = -1;
  33   soff = soff; // Suppress unused warning.
  34 }
  35
  36 int main(void)
  37 {
  38   test01();
  39   return 0;
  40 }