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

   1 // 2006-03-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006-2020 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 // { dg-require-fileio "" }
  21
  22 #include <iterator>
  23 #include <fstream>
  24 #include <algorithm>
  25 #include <testsuite_hooks.h>
  26
  27 // In the occasion of libstdc++/25482
  28 void test01()
  29 {
  30   using namespace std;
  31
  32   typedef istreambuf_iterator<wchar_t> in_iterator_type;
  33
  34   wifstream fbuf_ref("istream_unformatted-1.txt"),
  35             fbuf("istream_unformatted-1.txt");
  36
  37   wchar_t buffer_ref[16500],
  38           buffer[16500];
  39
  40   fbuf_ref.read(buffer_ref, 16500);
  41
  42   in_iterator_type beg(fbuf);
  43   in_iterator_type end;
  44   copy(beg, end, buffer);
  45
  46   VERIFY( fbuf_ref.good() );
  47   VERIFY( fbuf.good() );
  48
  49   VERIFY( !wmemcmp(buffer, buffer_ref, 16500) );
  50 }
  51
  52 int main()
  53 {
  54   test01();
  55   return 0;
  56 }