1// 2003-09-22  Petur Runolfsson  <peturr02@ru.is>
2
3// Copyright (C) 2003, 2005 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// 27.6.2.6 Unformatted output functions
22//
23// _GLIBCXX_RESOLVE_LIB_DEFECTS
24// DR 60. What is a formatted input function?
25// basic_ostream::flush() does not behave as an unformatted output function.
26
27#include <ostream>
28#include <testsuite_hooks.h>
29#include <testsuite_io.h>
30
31void test02()
32{
33  bool test __attribute__((unused)) = true;
34
35  __gnu_test::sync_streambuf buf;
36  std::ostream os(&buf);
37
38  __gnu_test::sync_streambuf buf_tie;
39  std::ostream os_tie(&buf_tie);
40
41  // No sentry should be constructed so os.tie()->flush() should not be
42  // called.
43  os.tie(&os_tie);
44
45  os.flush();
46
47  VERIFY( os.good() );
48  VERIFY( buf.sync_called() );
49  VERIFY( !buf_tie.sync_called() );
50
51  // os.rdbuf()->pubsync() should be called even if !os.good().
52  os.setstate(std::ios_base::eofbit);
53
54  os.flush();
55
56  VERIFY( os.rdstate() == std::ios_base::eofbit );
57  VERIFY( buf.sync_called() );
58  VERIFY( !buf_tie.sync_called() );
59}
60
61int main()
62{
63  test02();
64  return 0;
65}
66
67