1 // 2003-04-12 Paolo Carlini <pcarlini at unitus dot it>
3 // Copyright (C) 2003-2013 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
22 // { dg-require-fileio "" }
24 #include <ext/stdio_filebuf.h>
28 #include <testsuite_hooks.h>
30 // Small stack-based buffers (i.e., using _M_unbuf) were not flushed
31 // out by _M_really_overflow upon overflow.
35 bool test __attribute__((unused)) = true;
37 const char* name = "tmp_file1";
38 FILE* file = fopen(name, "w");
40 using namespace __gnu_cxx;
41 stdio_filebuf<char> sbuf(file, ios_base::out, 2);
49 fbuf.open(name, ios_base::in);
51 streamsize n = fbuf.sgetn(buf, sizeof(buf));
55 VERIFY( !memcmp(buf, "TSP", 3) );