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// { dg-require-fileio "" }
23
24#include <fstream>
25#include <testsuite_hooks.h>
26#include <testsuite_io.h>
27
28// @require@ %-*.tst %-*.txt
29// @diff@ %-*.tst %*.txt
30
31const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
32
33// Test overloaded virtual functions.
34void test05()
35{
36  using namespace std;
37  using namespace __gnu_test;
38  typedef std::filebuf::int_type 	int_type;
39  typedef filebuf::traits_type 		traits_type;
40
41  bool test __attribute__((unused)) = true;
42  int_type 			c1, c2, c3;
43
44  // int_type sgetc()
45  // if read_cur not avail, return uflow(), else return *read_cur
46
47  // in
48  {
49    constraint_filebuf fb_01; // in
50    fb_01.open(name_01, ios::in);
51    VERIFY( !fb_01.write_position() );
52    c1 = fb_01.sgetc();
53    VERIFY( c1 == '/' );
54    c2 = fb_01.sgetc();
55    VERIFY( c1 == c2 );
56    fb_01.sbumpc();
57    c1 = fb_01.sbumpc();
58    c2 = fb_01.sgetc();
59    c3 = fb_01.sgetc();
60    VERIFY( c1 == '/' );
61    VERIFY( c2 == ' ' );
62    VERIFY( c3 == ' ' );
63    VERIFY( !fb_01.write_position() );
64    VERIFY( fb_01.read_position() );
65  }
66}
67
68int main()
69{
70  test05();
71  return 0;
72}
73