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

   1 // 2006-03-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006-2017 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 #include <iterator>
  21 #include <fstream>
  22 #include <algorithm>
  23 #include <cstring>
  24 #include <testsuite_hooks.h>
  25
  26 // { dg-require-fileio "" }
  27
  28 // In the occasion of libstdc++/25482
  29 void test01()
  30 {
  31   using namespace std;
  32
  33   typedef istreambuf_iterator<char> in_iterator_type;
  34
  35   ifstream fbuf_ref("istream_unformatted-1.txt"),
  36            fbuf("istream_unformatted-1.txt");
  37
  38   char buffer_ref[16500],
  39        buffer[16500];
  40
  41   fbuf_ref.read(buffer_ref, 16500);
  42
  43   in_iterator_type beg(fbuf);
  44   in_iterator_type end;
  45   copy(beg, end, buffer);
  46
  47   VERIFY( fbuf_ref.good() );
  48   VERIFY( fbuf.good() );
  49
  50   VERIFY( !memcmp(buffer, buffer_ref, 16500) );
  51 }
  52
  53 int main()
  54 {
  55   test01();
  56   return 0;
  57 }