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1 | // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
2 | ||
3 | // Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. | |
4 | // | |
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) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // 27.8.1.4 Overridden virtual functions | |
22 | ||
23 | #include <fstream> | |
24 | #include <testsuite_hooks.h> | |
25 | #include <testsuite_io.h> | |
26 | ||
27 | // @require@ %-*.tst %-*.txt | |
28 | // @diff@ %-*.tst %*.txt | |
29 | ||
30 | const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it | |
31 | const char name_03[] = "tmp_sputn_2io.tst"; // empty file, need to create | |
32 | ||
33 | void test05() | |
34 | { | |
35 | using namespace std; | |
aecf642c | 36 | using namespace __gnu_test; |
46c4e5d6 BK |
37 | |
38 | typedef filebuf::int_type int_type; | |
39 | typedef filebuf::traits_type traits_type; | |
40 | typedef size_t size_type; | |
41 | ||
42 | bool test = true; | |
43 | streamsize strmsz_1, strmsz_2; | |
44 | ||
45 | // streamsize sputn(const char_typs* s, streamsize n) | |
46 | // write up to n chars to out_cur from s, returning number assigned | |
47 | // NB *sputn will happily put '\0' into your stream if you give it a chance* | |
48 | ||
49 | // in | out | |
50 | { | |
51 | constraint_filebuf fb_03; | |
52 | fb_03.pubsetbuf(0, 0); | |
53 | fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); | |
54 | VERIFY( fb_03.unbuffered() ); | |
55 | strmsz_1 = fb_03.sputn("racadabras", 10);//"abracadabras or what?" | |
56 | VERIFY( strmsz_1 == 10 ); | |
57 | strmsz_2 = fb_03.sputn(", i wanna reach out and", 10); | |
58 | VERIFY( strmsz_2 == 10 ); | |
59 | VERIFY( strmsz_1 == strmsz_2 ); | |
60 | VERIFY( fb_03.unbuffered() ); | |
61 | } | |
62 | } | |
63 | ||
64 | main() | |
65 | { | |
66 | test05(); | |
67 | return 0; | |
68 | } |