libstdc++-v3/testsuite/25_algorithms/copy/streambuf_iterators/char/4.cc

   1 // 2006-03-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006, 2007 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 Pred 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 #include <iterator>
  22 #include <fstream>
  23 #include <algorithm>
  24 #include <cstring>
  25 #include <testsuite_hooks.h>
  26
  27 // { dg-require-fileio "" }
  28
  29 // In the occasion of libstdc++/25482
  30 void test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   using namespace std;
  34
  35   typedef istreambuf_iterator<char> in_iterator_type;
  36
  37   ifstream fbuf_ref("istream_unformatted-1.txt"),
  38            fbuf("istream_unformatted-1.txt");
  39
  40   char buffer_ref[16500],
  41        buffer[16500];
  42
  43   fbuf_ref.read(buffer_ref, 16500);
  44
  45   in_iterator_type beg(fbuf);
  46   in_iterator_type end;
  47   copy(beg, end, buffer);
  48
  49   VERIFY( fbuf_ref.good() );
  50   VERIFY( fbuf.good() );
  51
  52   VERIFY( !memcmp(buffer, buffer_ref, 16500) );
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58   return 0;
  59 }