1// 2004-10-06  Paolo Carlini  <pcarlini@suse.de>
2
3// Copyright (C) 2004-2015 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// 27.8.1.4 Overridden virtual functions
21
22#include <sstream>
23#include <cstring>
24#include <testsuite_hooks.h>
25
26void test01()
27{
28  using namespace std;
29  bool test __attribute__((unused)) = true;
30
31  const unsigned max_size = 1 << 18;
32
33  char ref[max_size];
34  memset(ref, '\0', max_size);
35
36  char src[max_size * 2];
37  memset(src, '\1', max_size * 2);
38
39  for (unsigned i = 128; i <= max_size; i *= 2)
40    {
41      char* dest = new char[i * 2];
42      memset(dest, '\0', i * 2);
43
44      stringbuf sbuf;
45      sbuf.pubsetbuf(dest, i);
46
47      sbuf.sputn(src, i * 2);
48      VERIFY( !memcmp(dest + i, ref, i) );
49
50      delete[] dest;
51    }
52}
53
54int main()
55{
56  test01();
57  return 0;
58}
59