1// 2003-05-19  Paolo Carlini  <pcarlini@unitus.it>
2
3// Copyright (C) 2003-2015 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// { dg-require-fileio "" }
21
22// 27.8.1.3 filebuf member functions
23// @require@ %-*.tst %-*.txt
24// @diff@ %-*.tst %-*.txt
25
26// Test that upon filebuf::close() 27.8.1.1,3 is enforced.
27
28#include <fstream>
29#include <testsuite_hooks.h>
30
31const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
32const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create
33
34void test_04()
35{
36  typedef std::filebuf::traits_type 	traits_type;
37
38  bool test __attribute__((unused)) = true;
39
40  std::filebuf fb_01, fb_02;
41  char buffer[] = "xxxxxxxxxx";
42
43  // 'in'
44  fb_01.open(name_01, std::ios_base::in);
45  VERIFY( fb_01.sgetc() != traits_type::eof() );
46  VERIFY( fb_01.sbumpc() != traits_type::eof() );
47  VERIFY( fb_01.snextc() != traits_type::eof() );
48  VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == sizeof(buffer) );
49
50  fb_01.close();
51
52  VERIFY( fb_01.sgetc() == traits_type::eof() );
53  VERIFY( fb_01.sbumpc() == traits_type::eof() );
54  VERIFY( fb_01.snextc() == traits_type::eof() );
55  VERIFY( fb_01.sgetn(buffer, sizeof(buffer)) == 0 );
56
57  // 'out'
58  fb_02.open(name_02, std::ios_base::out);
59  VERIFY( fb_02.sputc('T') != traits_type::eof() );
60  VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == sizeof(buffer) );
61
62  fb_02.close();
63
64  VERIFY( fb_02.sputc('T') == traits_type::eof() );
65  VERIFY( fb_02.sputn(buffer, sizeof(buffer)) == 0 );
66}
67
68int
69main()
70{
71  test_04();
72  return 0;
73}
74