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// Copyright (C) 2006-2018 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/>.
// 27.8.1.4 Overridden virtual functions
#include <sstream>
#include <testsuite_hooks.h>
struct pubbuf
: std::wstringbuf
{
using std::wstringbuf::eback;
using std::wstringbuf::egptr;
using std::wstringbuf::pbase;
using std::wstringbuf::pptr;
using std::wstringbuf::epptr;
using std::wstringbuf::overflow;
};
// libstdc++/26250
void test01()
{
pubbuf buf;
VERIFY( buf.overflow(L'x') == L'x' );
VERIFY( buf.pptr() - buf.pbase() == 1 );
// not required but good for efficiency
// NB: we are implementing DR 169 and DR 432
const int write_positions = buf.epptr() - buf.pbase();
VERIFY( write_positions > 1 );
// 27.7.1.3, p8:
VERIFY( buf.egptr() - buf.eback() == 1 );
}
int main()
{
test01();
return 0;
}
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