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// { 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[] = "sgetc.txt"; // file with data in it
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
42  // int_type sbumpc()
43  // if read_cur not avail returns uflow(), else return *read_cur & increment
44
45  // in
46  {
47    constraint_filebuf fb_01;
48    fb_01.pubsetbuf(0, 0);
49    fb_01.open(name_01, ios_base::in);
50    VERIFY( fb_01.unbuffered() );
51
52    int_type c1 = fb_01.sbumpc();
53    VERIFY( c1 == '/' );
54    int_type c3 = fb_01.sbumpc();
55    VERIFY( c3 == '/' );
56
57    c1 = fb_01.sgetc();
58    int_type c2 = fb_01.sbumpc();
59    c3 = fb_01.sgetc();
60    VERIFY( c1 == ' ' );
61    VERIFY( c3 == '9' );
62    VERIFY( c1 == c2 );
63    VERIFY( c2 != c3 );
64
65    c1 = fb_01.sbumpc();
66    c2 = fb_01.sbumpc();
67    c3 = fb_01.sgetc();
68    VERIFY( c1 == '9' );
69    VERIFY( c2 == '9' );
70    VERIFY( c3 == '0' );
71
72    VERIFY( fb_01.unbuffered() );
73  }
74}
75
76int main()
77{
78  test05();
79  return 0;
80}
81