gomp-20050608-branch/libstdc++-v3/testsuite/27_io/basic_stringbuf/seekoff/char/10975.cc

   1 // 2004-09-30  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 // 27.7.1.3 Overridden virtual functions
  22
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/10975
  27 void test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30   using namespace std;
  31   typedef streambuf::pos_type pos_type;
  32   typedef streambuf::off_type off_type;
  33
  34   const pos_type good = pos_type(off_type(0));
  35   const pos_type bad = pos_type(off_type(-1));
  36   pos_type p;
  37
  38   stringbuf sbuf;
  39
  40   p = sbuf.pubseekoff(0, ios_base::cur, ios_base::in);
  41   VERIFY( p == good );
  42
  43   p = sbuf.pubseekoff(0, ios_base::beg, ios_base::out);
  44   VERIFY( p == good );
  45
  46   p = sbuf.pubseekoff(0, ios_base::end);
  47   VERIFY( p == good );
  48
  49   p = sbuf.pubseekoff(0, ios_base::cur);
  50   VERIFY( p == bad );
  51 }
  52
  53 int main()
  54 {
  55   test01();
  56   return 0;
  57 }