libstdc++-v3/testsuite/27_io/fpos/14775.cc

   1 // 2004-03-31  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2013 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 // 27.4.3 fpos
  21
  22 #include <fstream>
  23 #include <testsuite_hooks.h>
  24
  25 #define TWO_GB 2147483648UL
  26
  27 // Basic test for LFS support.
  28 void test01()
  29 {
  30 #ifdef _GLIBCXX_USE_LFS
  31   using namespace std;
  32   bool test __attribute__((unused)) = true;
  33
  34   typedef filebuf::pos_type     pos_type;
  35   typedef filebuf::off_type     off_type;
  36
  37   __gnu_test::set_file_limit(TWO_GB + 200);
  38
  39   basic_filebuf<char> fb;
  40   fb.open("tmp_14775", ios_base::out | ios_base::in | ios_base::trunc);
  41
  42   pos_type ret = fb.pubseekoff(TWO_GB + 100, ios_base::beg);
  43   VERIFY( ret != pos_type(off_type(-1)) );
  44
  45   fb.close();
  46 #endif
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52   return 0;
  53 }
  54