123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869 |
- // { dg-options "-Wno-deprecated" }
- // Copyright (C) 2003-2022 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;
- }
|