1// 2003-09-22  Petur Runolfsson  <peturr02@ru.is>
2
3// Copyright (C) 2003, 2005, 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// 27.6.2.6 Unformatted output functions
21//
22// _GLIBCXX_RESOLVE_LIB_DEFECTS
23// DR 60. What is a formatted input function?
24// basic_ostream::flush() does not behave as an unformatted output function.
25
26#include <ostream>
27#include <testsuite_hooks.h>
28#include <testsuite_io.h>
29
30void test02()
31{
32  bool test __attribute__((unused)) = true;
33
34  __gnu_test::sync_streambuf buf;
35  std::ostream os(&buf);
36
37  __gnu_test::sync_streambuf buf_tie;
38  std::ostream os_tie(&buf_tie);
39
40  // No sentry should be constructed so os.tie()->flush() should not be
41  // called.
42  os.tie(&os_tie);
43
44  os.flush();
45
46  VERIFY( os.good() );
47  VERIFY( buf.sync_called() );
48  VERIFY( !buf_tie.sync_called() );
49
50  // os.rdbuf()->pubsync() should be called even if !os.good().
51  os.setstate(std::ios_base::eofbit);
52
53  os.flush();
54
55  VERIFY( os.rdstate() == std::ios_base::eofbit );
56  VERIFY( buf.sync_called() );
57  VERIFY( !buf_tie.sync_called() );
58}
59
60int main()
61{
62  test02();
63  return 0;
64}
65
66