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

   1 // Copyright (C) 2005-2016 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 27.6.2.5.4 basic_ostream character inserters
  19 // @require@ %-*.tst %-*.txt
  20 // @diff@ %-*.tst %-*.txt
  21
  22 #include <ostream>
  23 #include <fstream>
  24 #include <testsuite_hooks.h>
  25
  26 // via Brent Verner <brent@rcfile.org>
  27 // http://gcc.gnu.org/ml/libstdc++/2000-06/msg00005.html
  28 void
  29 test03(void)
  30 {
  31   using namespace std;
  32
  33   typedef wios::pos_type        pos_type;
  34
  35   const char* TEST_IN = "wostream_inserter_other_in.txt";
  36   const char* TEST_OUT = "wostream_inserter_other_out.txt";
  37   pos_type i_read, i_wrote, rs, ws;
  38   double tf_size = BUFSIZ * 2.5;
  39   ofstream testfile(TEST_IN);
  40
  41   for (int i = 0; i < tf_size; ++i)
  42     testfile.put(L'.');
  43   testfile.close();
  44
  45   wifstream in(TEST_IN);
  46   wofstream out(TEST_OUT);
  47   out << in.rdbuf();
  48   in.seekg(0, ios_base::beg);
  49   out.seekp(0, ios_base::beg);
  50   rs = in.tellg();
  51   ws = out.tellp();
  52   in.seekg(0, ios_base::end);
  53   out.seekp(0, ios_base::end);
  54   i_read = in.tellg() - rs;
  55   i_wrote = out.tellp() - ws;
  56   in.close();
  57   out.close();
  58 }
  59
  60 int
  61 main()
  62 {
  63   test03();
  64   return 0;
  65 }