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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/27_io/basic_filebuf/sputn/char/2-in.cc
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1 // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
3 // Copyright (C) 2001-2014 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/>.
20 // 27.8.1.4 Overridden virtual functions
23 #include <testsuite_hooks.h>
24 #include <testsuite_io.h>
26 // @require@ %-*.tst %-*.txt
27 // @diff@ %-*.tst %*.txt
29 const char name_01
[] = "filebuf_virtuals-1.txt"; // file with data in it
34 using namespace __gnu_test
;
36 typedef filebuf::int_type int_type
;
37 typedef filebuf::traits_type traits_type
;
38 typedef size_t size_type
;
40 bool test
__attribute__((unused
)) = true;
43 // streamsize sputn(const char_typs* s, streamsize n)
44 // write up to n chars to out_cur from s, returning number assigned
45 // NB *sputn will happily put '\0' into your stream if you give it a chance*
49 constraint_filebuf fb_01
;
50 fb_01
.pubsetbuf(0, 0);
51 fb_01
.open(name_01
, ios_base::in
);
52 VERIFY( fb_01
.unbuffered() );
53 strmsz_1
= fb_01
.sputn("racadabra", 10);
54 VERIFY( strmsz_1
== 0 );
55 VERIFY( fb_01
.unbuffered() );