70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// { dg-options "-Wno-deprecated" }
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// Copyright (C) 2003-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <strstream>
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#include <testsuite_hooks.h>
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class Buf : public std::strstreambuf
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{
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public:
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Buf(const char* p, std::streamsize n)
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: std::strstreambuf(p, n)
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{ }
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int_type pub_pbackfail(int_type c = traits_type::eof())
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{
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return pbackfail(c);
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}
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};
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// libstdc++/11460
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void test01()
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{
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typedef std::strstreambuf::traits_type Traits;
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const char str[] = "a\xff";
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Buf buf(str, 2);
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Traits::int_type a = Traits::to_int_type('a');
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VERIFY( buf.sbumpc() == a );
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VERIFY( buf.sungetc() == a );
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VERIFY( buf.sbumpc() == a );
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VERIFY( buf.sputbackc('a') == a );
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VERIFY( buf.sbumpc() == a );
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VERIFY( buf.pub_pbackfail() != Traits::eof() );
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VERIFY( buf.sbumpc() == a );
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VERIFY( buf.pub_pbackfail(a) == a );
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buf.sbumpc();
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Traits::int_type xff = Traits::to_int_type('\xff');
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VERIFY( buf.sbumpc() == xff );
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VERIFY( buf.sungetc() == xff );
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VERIFY( buf.sbumpc() == xff );
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VERIFY( buf.sputbackc('\xff') == xff );
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VERIFY( buf.sbumpc() == xff );
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VERIFY( buf.pub_pbackfail() != Traits::eof() );
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VERIFY( buf.sbumpc() == xff );
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VERIFY( buf.pub_pbackfail(xff) == xff );
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}
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int main()
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{
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test01();
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return 0;
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}
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