[src/trunk]: src/tests/net/if Improve test stability

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/24b5edc0604a
branches:  trunk
changeset: 810722:24b5edc0604a
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Tue Sep 15 09:51:01 2015 +0000

description:
Improve test stability

ifconfig -a -v after ifconfig -a -z is expected to show '0 packets' for
all interface. However, shmif0 can receive packets between the two
operations. So we have to keep shmif0 down during such tests.

diffstat:

 tests/net/if/t_ifconfig.sh |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r fa62c86276f0 -r 24b5edc0604a tests/net/if/t_ifconfig.sh
--- a/tests/net/if/t_ifconfig.sh        Tue Sep 15 02:22:43 2015 +0000
+++ b/tests/net/if/t_ifconfig.sh        Tue Sep 15 09:51:01 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_ifconfig.sh,v 1.2 2015/09/03 10:22:52 ozaki-r Exp $
+# $NetBSD: t_ifconfig.sh,v 1.3 2015/09/15 09:51:01 ozaki-r Exp $
 #
 # Copyright (c) 2015 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -149,8 +149,11 @@
        atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
        atf_check -s exit:0 -o match:'0 packets' rump.ifconfig -a -v
        atf_check -s exit:0 -o ignore rump.ping -c 1 localhost
+       atf_check -s exit:0 -o ignore rump.ifconfig shmif0 down
        atf_check -s exit:0 -o match:'2 packets' rump.ifconfig -a -z
        atf_check -s exit:0 -o not-match:'2 packets' rump.ifconfig -a -v
+       atf_check -s exit:0 -o match:'0 packets' rump.ifconfig -a -v
+       atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
 
        # ifconfig -l [-bdsu]
        #   -l shows only inteface names