libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/char/2.cc

   1 // 1999-08-16 bkoz
   2 // 1999-11-01 bkoz
   3
   4 // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005 Free Software Foundation
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // 27.6.2.5.4 basic_ostream character inserters
  23 // @require@ %-*.tst %-*.txt
  24 // @diff@ %-*.tst %-*.txt
  25
  26 #include <ostream>
  27 #include <fstream>
  28 #include <testsuite_hooks.h>
  29
  30 // via Brent Verner <brent@rcfile.org>
  31 // http://gcc.gnu.org/ml/libstdc++/2000-06/msg00005.html
  32 void
  33 test03(void)
  34 {
  35   using namespace std;
  36
  37   typedef ios::pos_type         pos_type;
  38
  39   const char* TEST_IN = "ostream_inserter_other_in";
  40   const char* TEST_OUT = "ostream_inserter_other_out";
  41   pos_type i_read, i_wrote, rs, ws;
  42   double tf_size = BUFSIZ * 2.5;
  43   ofstream testfile(TEST_IN);
  44
  45   for (int i = 0; i < tf_size; ++i)
  46     testfile.put('.');
  47   testfile.close();
  48
  49   ifstream in(TEST_IN);
  50   ofstream out(TEST_OUT);
  51   out << in.rdbuf();
  52   in.seekg(0, ios_base::beg);
  53   out.seekp(0, ios_base::beg);
  54   rs = in.tellg();
  55   ws = out.tellp();
  56   in.seekg(0, ios_base::end);
  57   out.seekp(0, ios_base::end);
  58   i_read = in.tellg() - rs;
  59   i_wrote = out.tellp() - ws;
  60   in.close();
  61   out.close();
  62 }
  63
  64 int
  65 main()
  66 {
  67   test03();
  68   return 0;
  69 }