[src/trunk]: src/tests/kernel Test that reading /dev/random returns within a ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f7b28246d847
branches:  trunk
changeset: 345200:f7b28246d847
user:      pooka <pooka%NetBSD.org@localhost>
date:      Thu May 12 11:41:43 2016 +0000

description:
Test that reading /dev/random returns within a reasonable time.

diffstat:

 tests/kernel/t_rnd.c |  23 +++++++++++++++++++++--
 1 files changed, 21 insertions(+), 2 deletions(-)

diffs (48 lines):

diff -r 185f60e091bb -r f7b28246d847 tests/kernel/t_rnd.c
--- a/tests/kernel/t_rnd.c      Thu May 12 10:55:03 2016 +0000
+++ b/tests/kernel/t_rnd.c      Thu May 12 11:41:43 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_rnd.c,v 1.6 2015/04/13 22:24:34 riastradh Exp $      */
+/*     $NetBSD: t_rnd.c,v 1.7 2016/05/12 11:41:43 pooka Exp $  */
 
 /*
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_rnd.c,v 1.6 2015/04/13 22:24:34 riastradh Exp $");
+__RCSID("$NetBSD: t_rnd.c,v 1.7 2016/05/12 11:41:43 pooka Exp $");
 
 #include <sys/types.h>
 #include <sys/fcntl.h>
@@ -86,10 +86,29 @@
        ATF_REQUIRE_ERRNO(EINVAL, rump_sys_ioctl(fd, RNDADDDATA, &rd) == -1);
 }
 
+ATF_TC(read_random);
+ATF_TC_HEAD(read_random, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "does reading /dev/random return "
+           "within reasonable time");
+       atf_tc_set_md_var(tc, "timeout", "10");
+}
+
+ATF_TC_BODY(read_random, tc)
+{
+       char buf[128];
+       int fd;
+
+       rump_init();
+       RL(fd = rump_sys_open("/dev/random", O_RDONLY));
+       RL(rump_sys_read(fd, buf, sizeof(buf)));
+}
+
 ATF_TP_ADD_TCS(tp)
 {
        ATF_TP_ADD_TC(tp, RNDADDDATA);
        ATF_TP_ADD_TC(tp, RNDADDDATA2);
+       ATF_TP_ADD_TC(tp, read_random);
 
        return atf_no_error();
 }