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// 2003-04-12 Paolo Carlini <pcarlini at unitus dot it>
// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
// 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/>.
// stdio_filebuf.h
// { dg-require-fileio "" }
#include <ext/stdio_filebuf.h>
#include <cstdio>
#include <fstream>
#include <cstring>
#include <testsuite_hooks.h>
// Small stack-based buffers (i.e., using _M_unbuf) were not flushed
// out by _M_really_overflow upon overflow.
void test01()
{
using namespace std;
bool test __attribute__((unused)) = true;
const char* name = "tmp_file1";
FILE* file = fopen(name, "w");
{
using namespace __gnu_cxx;
stdio_filebuf<char> sbuf(file, ios_base::out, 2);
sbuf.sputc('T');
sbuf.sputc('S');
sbuf.sputc('P');
}
fclose(file);
filebuf fbuf;
fbuf.open(name, ios_base::in);
char buf[10];
streamsize n = fbuf.sgetn(buf, sizeof(buf));
fbuf.close();
VERIFY( n == 3 );
VERIFY( !memcmp(buf, "TSP", 3) );
}
int main()
{
test01();
}
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