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_01[] = "filebuf_virtuals-1.txt"; // file with data in it
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
40  bool test __attribute__((unused)) = true;
41  int_type 			c3;
42
43  // int_type sputc(char_type c)
44  // if out_cur not avail, return overflow(traits_type::to_int_type(c))
45  // else, stores c at out_cur,
46  // increments out_cur, and returns c as int_type
47
48  // in
49  {
50    constraint_filebuf fb_01;
51    fb_01.open(name_01, ios_base::in);
52    VERIFY( !fb_01.write_position() );
53    c3 = fb_01.sputc('a');
54    VERIFY( c3 == traits_type::eof() );
55    VERIFY( !fb_01.write_position() );
56   }
57}
58
59int main()
60{
61  test05();
62  return 0;
63}
64