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// { dg-options "-Wno-deprecated" }

// Copyright (C) 2003, 2004, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#include <strstream>

#include <testsuite_hooks.h>

class Buf : public std::strstreambuf

{

public:

  Buf(const char* p, std::streamsize n)

  : std::strstreambuf(p, n)

  { }

  int_type pub_pbackfail(int_type c = traits_type::eof())

  {

    return pbackfail(c);

  }

};

// libstdc++/11460

void test01()

{

  bool test __attribute__((unused)) = true;

  typedef std::strstreambuf::traits_type Traits;

  const char str[] = "a\xff";

  Buf buf(str, 2);

  Traits::int_type a = Traits::to_int_type('a');

  VERIFY( buf.sbumpc() == a );

  VERIFY( buf.sungetc() == a );

  VERIFY( buf.sbumpc() == a );

  VERIFY( buf.sputbackc('a') == a );

  VERIFY( buf.sbumpc() == a );

  VERIFY( buf.pub_pbackfail() != Traits::eof() );

  VERIFY( buf.sbumpc() == a );

  VERIFY( buf.pub_pbackfail(a) == a );

  buf.sbumpc();

  Traits::int_type xff = Traits::to_int_type('\xff');

  VERIFY( buf.sbumpc() == xff );

  VERIFY( buf.sungetc() == xff );

  VERIFY( buf.sbumpc() == xff );

  VERIFY( buf.sputbackc('\xff') == xff );

  VERIFY( buf.sbumpc() == xff );

  VERIFY( buf.pub_pbackfail() != Traits::eof() );

  VERIFY( buf.sbumpc() == xff );

  VERIFY( buf.pub_pbackfail(xff) == xff );

}

int main()

{

  test01();

  return 0;

}