1// { dg-options "-Wno-deprecated" }
2// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
3//
4// This file is part of the GNU ISO C++ Library.  This library is free
5// software; you can redistribute it and/or modify it under the
6// terms of the GNU General Public License as published by the
7// Free Software Foundation; either version 2, or (at your option)
8// any later version.
9
10// This library is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13// GNU General Public License for more details.
14
15// You should have received a copy of the GNU General Public License along
16// with this library; see the file COPYING.  If not, write to the Free
17// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
18// USA.
19
20#include <strstream>
21#include <testsuite_hooks.h>
22
23class Buf : public std::strstreambuf
24{
25public:
26  Buf(const char* p, std::streamsize n)
27  : std::strstreambuf(p, n)
28  { }
29
30  int_type pub_pbackfail(int_type c = traits_type::eof())
31  {
32    return pbackfail(c);
33  }
34};
35
36// libstdc++/11460
37void test01()
38{
39  bool test __attribute__((unused)) = true;
40
41  typedef std::strstreambuf::traits_type Traits;
42  const char str[] = "a\xff";
43
44  Buf buf(str, 2);
45
46  Traits::int_type a = Traits::to_int_type('a');
47  VERIFY( buf.sbumpc() == a );
48  VERIFY( buf.sungetc() == a );
49  VERIFY( buf.sbumpc() == a );
50  VERIFY( buf.sputbackc('a') == a );
51  VERIFY( buf.sbumpc() == a );
52  VERIFY( buf.pub_pbackfail() != Traits::eof() );
53  VERIFY( buf.sbumpc() == a );
54  VERIFY( buf.pub_pbackfail(a) == a );
55  buf.sbumpc();
56
57  Traits::int_type xff = Traits::to_int_type('\xff');
58  VERIFY( buf.sbumpc() == xff );
59  VERIFY( buf.sungetc() == xff );
60  VERIFY( buf.sbumpc() == xff );
61  VERIFY( buf.sputbackc('\xff') == xff );
62  VERIFY( buf.sbumpc() == xff );
63  VERIFY( buf.pub_pbackfail() != Traits::eof() );
64  VERIFY( buf.sbumpc() == xff );
65  VERIFY( buf.pub_pbackfail(xff) == xff );
66}
67
68int main()
69{
70  test01();
71  return 0;
72}
73