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// { dg-options "-Wno-deprecated" }
// Copyright (C) 2003-2021 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()
{
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;
}
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