gnu/dist/gcc4/libstdc++-v3/testsuite/27_io/fpos/14252.cc

   1 // 2004-02-24  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // 27.4.3 template class fpos
  31
  32 #include <ios>
  33 #include <testsuite_hooks.h>
  34
  35 // libstdc++/14252
  36 void test01()
  37 {
  38   bool test __attribute__((unused)) = true;
  39
  40   std::streamoff off01 = 10;
  41   std::streamoff off02 = 2;
  42   std::streamoff off03 = 2004;
  43   std::streamoff off04 = 1;
  44
  45   VERIFY( off01++ == 10 );
  46   VERIFY( off01 == 11 );
  47
  48   VERIFY( ++off02 == 3 );
  49   VERIFY( off02 == 3 );
  50
  51   VERIFY( off03-- == 2004 );
  52   VERIFY( off03 == 2003 );
  53
  54   VERIFY( --off04 == 0 );
  55   VERIFY( off04 == 0 );
  56 }
  57
  58 int main()
  59 {
  60   test01();
  61   return 0;
  62 }