1// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
2
3// Copyright (C) 2001, 2002, 2003, 2009 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_01[] = "sgetc.txt"; // file with data in it
30const char name_02[] = "tmp_snextc_1out.tst"; // empty file, need to create
31const char name_03[] = "tmp_snextc_1io.tst"; // empty file, need to create
32
33void test05()
34{
35  using namespace std;
36  using namespace __gnu_test;
37  typedef filebuf::int_type 	int_type;
38  typedef filebuf::traits_type 	traits_type;
39
40  bool test __attribute__((unused)) = true;
41  int_type 			c2;
42
43  // int_type snextc()
44  // calls sbumpc and if sbumpc != eof, return sgetc
45
46  // out
47  {
48    constraint_filebuf fb_02;
49    fb_02.open(name_02, ios_base::out | ios_base::trunc);
50    VERIFY( !fb_02.write_position() );
51    VERIFY( !fb_02.read_position() );
52    c2 = fb_02.snextc();
53    VERIFY( c2 == traits_type::eof() );
54    c2 = fb_02.snextc();
55    VERIFY( c2 == traits_type::eof() );
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