1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001-2015 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 <fstream>
23#include <testsuite_hooks.h>
24#include <testsuite_io.h>
25
26// @require@ %-*.tst %-*.txt
27// @diff@ %-*.tst %*.txt
28
29const char name_02[] = "tmp_sbumpc_1out.tst"; // empty file, need to create
30
31void test05()
32{
33  using namespace std;
34  using namespace __gnu_test;
35  typedef filebuf::int_type 	int_type;
36  typedef filebuf::traits_type 	traits_type;
37
38  bool test __attribute__((unused)) = true;
39
40  // int_type sbumpc()
41  // if read_cur not avail returns uflow(), else return *read_cur & increment
42
43  // out
44  {
45    constraint_filebuf fb_02;
46    fb_02.open(name_02, ios_base::out | ios_base::trunc);
47    VERIFY( !fb_02.write_position() );
48    VERIFY( !fb_02.read_position() );
49    int_type c2 = fb_02.sbumpc();
50    VERIFY( c2 == traits_type::eof() );
51    int_type c4 = fb_02.sbumpc();
52    VERIFY( c4 == traits_type::eof() );
53    VERIFY( !fb_02.write_position() );
54    VERIFY( !fb_02.read_position() );
55  }
56}
57
58int main()
59{
60  test05();
61  return 0;
62}
63