| // { dg-do run { target c++11 } } |
| // { dg-require-fileio "" } |
| |
| // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <iterator> |
| #include <fstream> |
| #include <algorithm> |
| #include <cstring> |
| |
| #include <testsuite_hooks.h> |
| |
| void test01() |
| { |
| using namespace std; |
| |
| typedef istreambuf_iterator<char> in_iterator_type; |
| |
| ifstream fbuf_ref("istream_unformatted-1.txt"), |
| fbuf("istream_unformatted-1.txt"); |
| |
| char buffer_ref[16500], |
| buffer[16501]; |
| |
| fbuf_ref.read(buffer_ref, 16500); |
| |
| in_iterator_type beg(fbuf); |
| copy_n(beg, 16500, buffer); |
| |
| VERIFY( fbuf_ref.good() ); |
| VERIFY( fbuf.good() ); |
| |
| VERIFY( !memcmp(buffer, buffer_ref, 16500) ); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| return 0; |
| } |