1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
4// Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 3, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING3.  If not see
19// <http://www.gnu.org/licenses/>.
20
21// 27.8.1.4 Overridden virtual functions
22
23// { dg-require-fileio "" }
24
25#include <fstream>
26#include <cstring>
27#include <testsuite_hooks.h>
28
29void test03()
30{
31  using namespace std;
32
33  bool test __attribute__((unused)) = true;
34  char buf[512];
35  const char* strlit = "how to tell a story and other essays: mark twain";
36  const size_t strlitsize = std::strlen(strlit);
37  filebuf fbuf01;
38  // NB: +2 otherwise sputn is optimized to a direct write,
39  // bypassing the buffer.
40  fbuf01.pubsetbuf(buf, strlitsize + 2);
41  fbuf01.open("tmp_setbuf3", ios_base::out);
42
43  fbuf01.sputn(strlit, strlitsize);
44  VERIFY( std::strncmp(strlit, buf, strlitsize) == 0 );
45}
46
47int main()
48{
49  test03();
50  return 0;
51}
52