1 // 2003-04-12 Paolo Carlini <pcarlini at unitus dot it>
3 // Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
4 // Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
23 // { dg-require-fileio "" }
25 #include <ext/stdio_filebuf.h>
29 #include <testsuite_hooks.h>
31 // Small stack-based buffers (i.e., using _M_unbuf) were not flushed
32 // out by _M_really_overflow upon overflow.
36 bool test __attribute__((unused)) = true;
38 const char* name = "tmp_file1";
39 FILE* file = fopen(name, "w");
41 using namespace __gnu_cxx;
42 stdio_filebuf<char> sbuf(file, ios_base::out, 2);
50 fbuf.open(name, ios_base::in);
52 streamsize n = fbuf.sgetn(buf, sizeof(buf));
56 VERIFY( !memcmp(buf, "TSP", 3) );