1// 2003-05-19  Paolo Carlini  <pcarlini@unitus.it>
2
3// Copyright (C) 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// 27.8.1.3 filebuf member functions
22// @require@ %-*.tst %-*.txt
23// @diff@ %-*.tst %-*.txt
24
25// Test that upon filebuf::close() 27.8.1.1,3 is enforced.
26
27#include <fstream>
28#include <testsuite_hooks.h>
29
30const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
31const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create
32
33void test_04()
34{
35  typedef std::filebuf::traits_type 	traits_type;
36
37  bool test __attribute__((unused)) = true;
38
39  std::filebuf fb_01, fb_02;
40  char buffer[] = "xxxxxxxxxx";
41
42  // 'in'
43  fb_01.open(name_01, std::ios_base::in);
44  VERIFY( fb_01.sgetc() != traits_type::eof() );
45  VERIFY( fb_01.sbumpc() != traits_type::eof() );
46  VERIFY( fb_01.snextc() != traits_type::eof() );
47  VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == sizeof(buffer) );
48
49  fb_01.close();
50
51  VERIFY( fb_01.sgetc() == traits_type::eof() );
52  VERIFY( fb_01.sbumpc() == traits_type::eof() );
53  VERIFY( fb_01.snextc() == traits_type::eof() );
54  VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == 0 );
55
56  // 'out'
57  fb_02.open(name_02, std::ios_base::out);
58  VERIFY( fb_02.sputc('T') != traits_type::eof() );
59  VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == sizeof(buffer) );
60
61  fb_02.close();
62
63  VERIFY( fb_02.sputc('T') == traits_type::eof() );
64  VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == 0 );
65}
66
67int
68main()
69{
70  test_04();
71  return 0;
72}
73