xref: /netbsd-src/tests/kernel/t_rnd.c (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: t_rnd.c,v 1.1 2009/09/08 20:37:45 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: t_rnd.c,v 1.1 2009/09/08 20:37:45 pooka Exp $");
31 
32 #include <sys/types.h>
33 #include <sys/fcntl.h>
34 #include <sys/ioctl.h>
35 #include <sys/rnd.h>
36 
37 #include <atf-c.h>
38 
39 #include <rump/rump.h>
40 #include <rump/rump_syscalls.h>
41 
42 #include "../h_macros.h"
43 
44 ATF_TC(RNDADDDATA);
45 ATF_TC_HEAD(RNDADDDATA, tc)
46 {
47 	atf_tc_set_md_var(tc, "descr", "checks ioctl(RNDADDDATA)");
48 }
49 
50 /* Adapted from example provided by Juho Salminen in PR kern/42020 */
51 ATF_TC_BODY(RNDADDDATA, tc)
52 {
53 	rnddata_t rd;
54 	int fd;
55 
56 	rump_init();
57 	fd = rump_sys_open("/dev/random", O_RDWR, 0);
58 	if (fd == -1)
59 		atf_tc_fail_errno("cannot open /dev/random");
60 
61 	rd.entropy = 1;
62 	rd.len = 1;
63 	if (rump_sys_ioctl(fd, RNDADDDATA, &rd) == -1)
64 		atf_tc_fail_errno("RNDADDDATA");
65 }
66 
67 ATF_TP_ADD_TCS(tp)
68 {
69 	ATF_TP_ADD_TC(tp, RNDADDDATA);
70 
71 	return atf_no_error();
72 }
73