libstdc++-v3/testsuite/25_algorithms/find/istreambuf_iterators/char/2.cc

   1 // 2006-03-20  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2006-2013 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 <testsuite_hooks.h>
  24
  25 // { dg-require-fileio "" }
  26
  27 // In the occasion of libstdc++/25482
  28 void test01()
  29 {
  30   bool test __attribute__((unused)) = true;
  31   using namespace std;
  32
  33   typedef istreambuf_iterator<char> in_iterator_type;
  34
  35   ifstream fbuf("istream_unformatted-1.txt");
  36
  37   in_iterator_type beg(fbuf);
  38   in_iterator_type end;
  39
  40   unsigned found = 0;
  41   for (;;)
  42     {
  43       beg = find(beg, end, '1');
  44       if (beg == end)
  45         break;
  46
  47       ++found;
  48       VERIFY( *beg == '1' );
  49
  50       for (unsigned sk = 0; sk < 9; sk++)
  51         ++beg;
  52       VERIFY( *beg == '0' );
  53     }
  54   VERIFY( found == 1500 );
  55 }
  56
  57 int main()
  58 {
  59   test01();
  60   return 0;
  61 }