libstdc++-v3/testsuite/25_algorithms/copy_n/debug/istreambuf_ite_deque_neg.cc

   1 // Copyright (C) 2020-2022 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 // { dg-do run { target c++11 xfail *-*-* } }
  19 // { dg-require-fileio "" }
  20 // { dg-require-debug-mode "" }
  21
  22 #include <iterator>
  23 #include <fstream>
  24 #include <algorithm>
  25 #include <deque>
  26
  27 void test01()
  28 {
  29   using namespace std;
  30
  31   typedef istreambuf_iterator<char> in_iterator_type;
  32
  33   ifstream fbuf_ref("istream_unformatted-1.txt"),
  34            fbuf("istream_unformatted-1.txt");
  35
  36   char buffer_ref[16500];
  37   deque<char> dq(17000, 'a');
  38
  39   fbuf_ref.read(buffer_ref, 16500);
  40
  41   in_iterator_type beg(fbuf);
  42   copy_n(beg, 17000, dq.begin());
  43 }
  44
  45 int
  46 main()
  47 {
  48   test01();
  49   return 0;
  50 }