libstdc++-v3/testsuite/27_io/fpos/14252.cc

   1 // 2004-02-24  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2024 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 <ios>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/14252
  27 void test01()
  28 {
  29   std::streamoff off01 = 10;
  30   std::streamoff off02 = 2;
  31   std::streamoff off03 = 2004;
  32   std::streamoff off04 = 1;
  33
  34   VERIFY( off01++ == 10 );
  35   VERIFY( off01 == 11 );
  36
  37   VERIFY( ++off02 == 3 );
  38   VERIFY( off02 == 3 );
  39
  40   VERIFY( off03-- == 2004 );
  41   VERIFY( off03 == 2003 );
  42
  43   VERIFY( --off04 == 0 );
  44   VERIFY( off04 == 0 );
  45 }
  46
  47 int main()
  48 {
  49   test01();
  50   return 0;
  51 }