libstdc++-v3/testsuite/27_io/fpos/mbstate_t/3.cc

   1 // 1999-09-20 bkoz
   2
   3 // Copyright (C) 1999-2013 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20
  21 // 27.4.3 template class fpos
  22
  23 #include <cwchar> // for mbstate_t
  24 #include <ios>
  25 #include <testsuite_hooks.h>
  26
  27 void test03()
  28 {
  29   bool test __attribute__((unused)) = true;
  30
  31   typedef std::mbstate_t state_type;
  32   std::streamoff off01;
  33
  34   // casts to const streamoff
  35   const std::streampos pos01 = 0;
  36   off01 = std::streamoff(pos01);
  37   off01 = off01; // Suppress unused warning.
  38
  39   // equality/inequality with const args
  40   const std::streampos pos02(54);
  41   std::streampos pos03(44);
  42   VERIFY( !(pos03 == pos02) );
  43   VERIFY( pos03 != pos02 );
  44   VERIFY( !(pos02 == pos03) );
  45   VERIFY( pos02 != pos03 );
  46
  47   // default values
  48   std::streampos pos04;
  49   VERIFY( std::streamoff(pos04) == 0 );
  50 }
  51
  52 int main()
  53 {
  54   test03();
  55   return 0;
  56 }