[src/trunk]: src/tests/util test for 'dd seek=' (could be improved, but at l...

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

details:   https://anonhg.NetBSD.org/src/rev/19a79b9b47a1
branches:  trunk
changeset: 759349:19a79b9b47a1
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Dec 06 15:54:00 2010 +0000

description:
test for 'dd seek='  (could be improved, but at least we have something now)

diffstat:

 tests/util/t_dd.sh |  20 +++++++++++++++++++-
 1 files changed, 19 insertions(+), 1 deletions(-)

diffs (36 lines):

diff -r 99975fcd29f6 -r 19a79b9b47a1 tests/util/t_dd.sh
--- a/tests/util/t_dd.sh        Mon Dec 06 15:23:29 2010 +0000
+++ b/tests/util/t_dd.sh        Mon Dec 06 15:54:00 2010 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_dd.sh,v 1.2 2008/04/30 13:11:00 martin Exp $
+# $NetBSD: t_dd.sh,v 1.3 2010/12/06 15:54:00 pooka Exp $
 #
 # Copyright (c) 2007 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -101,8 +101,26 @@
                   "$allvisbits" "$ebcdicvisbits"
 }
 
+atf_test_case seek
+seek_head() {
+       atf_set "descr" "Tests output file seeking"
+}
+
+seek_body() {
+       echo TEST1234 > testfile
+       atf_check -s exit:0 -e ignore \
+           dd if=/dev/zero of=testfile seek=1 bs=8k count=1
+       atf_check -s exit:0 -e ignore -o match:'^TEST1234$' dd if=testfile
+
+       echo TEST1234 > tf2
+       atf_check -s exit:0 -e ignore -x \
+           'dd bs=4 if=/dev/zero count=1 | tr \\0 \\n | dd of=tf2 bs=4 seek=1'
+       atf_check -s exit:0 -e ignore -o match:'^TEST$' dd if=tf2
+}
+
 atf_init_test_cases()
 {
        atf_add_test_case length
        atf_add_test_case io
+       atf_add_test_case seek
 }