1// Copyright (C) 2003-2015 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// 27.8.1.4 Overridden virtual functions
19
20// { dg-require-fileio "" }
21
22#include <fstream>
23#include <cstdio>
24#include <cstring>
25#include <testsuite_hooks.h>
26
27// libstdc++/12875
28void test02()
29{
30  using namespace std;
31  bool test __attribute__((unused)) = true;
32
33  const char* name = "tmp_setbuf5";
34  static char buf[1024];
35
36  filebuf out;
37  out.open(name, ios_base::out);
38  streamsize r = out.sputn("Hello,", 6);
39  VERIFY( r == 6 );
40  out.pubsetbuf(buf, 1024);
41  r = out.sputn(" world", 6);
42  VERIFY( r == 6 );
43  VERIFY( out.close() );
44
45  FILE* in = fopen(name, "r");
46  char str[256];
47  VERIFY( fgets(str, 256, in) );
48  VERIFY( !strcmp(str, "Hello, world") );
49  fclose(in);
50}
51
52int main()
53{
54  test02();
55  return 0;
56}
57