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// 2003-05-01 Petur Runolfsson <peturr02@ru.is>
// Copyright (C) 2003-2016 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/>.
// { dg-require-fileio "" }
#include <ext/stdio_sync_filebuf.h>
#include <testsuite_hooks.h>
// libstdc++/12048
void test02()
{
bool test __attribute__((unused)) = true;
const char* name = "cin_unget-1.txt";
std::FILE* file = std::fopen(name, "r");
__gnu_cxx::stdio_sync_filebuf<char> sbuf(file);
int c1 = sbuf.sbumpc();
VERIFY( c1 != EOF );
int c2 = sbuf.sungetc();
VERIFY( c2 != EOF );
int c3 = sbuf.sbumpc();
VERIFY( c3 == c1 );
std::fclose(file);
}
int main ()
{
test02();
return 0;
}
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