1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// 27.8.1.4 Overridden virtual functions
22
23#include <fstream>
24#include <testsuite_hooks.h>
25#include <testsuite_io.h>
26
27// @require@ %-*.tst %-*.txt
28// @diff@ %-*.tst %*.txt
29
30const char name_02[] = "tmp_sputn_1out.tst"; // empty file, need to create
31
32void test05()
33{
34  using namespace std;
35  using namespace __gnu_test;
36
37  typedef filebuf::int_type 	int_type;
38  typedef filebuf::traits_type 	traits_type;
39  typedef size_t 			size_type;
40
41  bool test __attribute__((unused)) = true;
42  streamsize 			strmsz_1;
43
44  // streamsize sputn(const char_typs* s, streamsize n)
45  // write up to n chars to out_cur from s, returning number assigned
46  // NB *sputn will happily put '\0' into your stream if you give it a chance*
47
48  // out
49  {
50    constraint_filebuf fb_02;
51    fb_02.open(name_02, ios_base::out | ios_base::trunc);
52    VERIFY( !fb_02.write_position() );
53    VERIFY( !fb_02.read_position() );
54    strmsz_1 = fb_02.sputn("racadabras", 10);
55    VERIFY( strmsz_1 == 10 );
56    VERIFY( fb_02.write_position() );
57    VERIFY( !fb_02.read_position() );
58   }
59}
60
61int main()
62{
63  test05();
64  return 0;
65}
66