1 // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
3 // Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free
18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21 // 27.8.1.4 Overridden virtual functions
23 // { dg-require-fileio "" }
26 #include <testsuite_hooks.h>
27 #include <testsuite_io.h>
29 // @require@ %-*.tst %-*.txt
30 // @diff@ %-*.tst %*.txt
32 const char name_02[] = "tmp_sputn_2out.tst"; // empty file, need to create
37 using namespace __gnu_test;
39 typedef filebuf::int_type int_type;
40 typedef filebuf::traits_type traits_type;
41 typedef size_t size_type;
43 bool test __attribute__((unused)) = true;
46 // streamsize sputn(const char_typs* s, streamsize n)
47 // write up to n chars to out_cur from s, returning number assigned
48 // NB *sputn will happily put '\0' into your stream if you give it a chance*
52 constraint_filebuf fb_02;
53 fb_02.pubsetbuf(0, 0);
54 fb_02.open(name_02, ios_base::out | ios_base::trunc);
55 VERIFY( fb_02.unbuffered() );
56 VERIFY( !fb_02.read_position() );
57 strmsz_1 = fb_02.sputn("racadabras", 10);
58 VERIFY( strmsz_1 == 10 );
59 VERIFY( fb_02.unbuffered() );
60 VERIFY( !fb_02.read_position() );