1 // { dg-options "-Wno-deprecated" }
2 // Copyright (C) 2003, 2004, 2009 Free Software Foundation, Inc.
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 3, or (at your option)
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.
15 // You should have received a copy of the GNU General Public License along
16 // with this library; see the file COPYING3. If not see
17 // <http://www.gnu.org/licenses/>.
20 #include <testsuite_hooks.h>
22 class Buf : public std::strstreambuf
25 Buf(const char* p, std::streamsize n)
26 : std::strstreambuf(p, n)
29 int_type pub_pbackfail(int_type c = traits_type::eof())
38 bool test __attribute__((unused)) = true;
40 typedef std::strstreambuf::traits_type Traits;
41 const char str[] = "a\xff";
45 Traits::int_type a = Traits::to_int_type('a');
46 VERIFY( buf.sbumpc() == a );
47 VERIFY( buf.sungetc() == a );
48 VERIFY( buf.sbumpc() == a );
49 VERIFY( buf.sputbackc('a') == a );
50 VERIFY( buf.sbumpc() == a );
51 VERIFY( buf.pub_pbackfail() != Traits::eof() );
52 VERIFY( buf.sbumpc() == a );
53 VERIFY( buf.pub_pbackfail(a) == a );
56 Traits::int_type xff = Traits::to_int_type('\xff');
57 VERIFY( buf.sbumpc() == xff );
58 VERIFY( buf.sungetc() == xff );
59 VERIFY( buf.sbumpc() == xff );
60 VERIFY( buf.sputbackc('\xff') == xff );
61 VERIFY( buf.sbumpc() == xff );
62 VERIFY( buf.pub_pbackfail() != Traits::eof() );
63 VERIFY( buf.sbumpc() == xff );
64 VERIFY( buf.pub_pbackfail(xff) == xff );