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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001-2019 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
// { dg-require-fileio "" }
#include <fstream>
#include <testsuite_hooks.h>
const char name_06[] = "filebuf_virtuals-6.txt"; // empty file, need to create
// libstdc++/9825
// filebuf::sputbackc breaks sbumpc
void test12()
{
using namespace std;
filebuf fbuf;
fbuf.open(name_06, ios_base::in|ios_base::out|ios_base::trunc);
fbuf.sputn("crazy bees!", 11);
fbuf.pubseekoff(0, ios_base::beg);
fbuf.sbumpc();
fbuf.sputbackc('x');
filebuf::int_type c = fbuf.sbumpc();
VERIFY( c == 'x' );
c = fbuf.sbumpc();
VERIFY( c == 'r' );
c = fbuf.sbumpc();
VERIFY( c == 'a' );
fbuf.close();
}
int main()
{
test12();
return 0;
}
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