#!/usr/local/bin/ksh93 -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

# $FreeBSD: releng/12.3/tests/sys/cddl/zfs/tests/devices/devices_003_pos.ksh 329867 2018-02-23 16:31:00Z asomers $

#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# ident	"@(#)devices_003_pos.ksh	1.1	07/05/25 SMI"
#

. $STF_SUITE/include/libtest.kshlib

################################################################################
#
# __stc_assertion_start
#
# ID:  devices_003_pos
#
# DESCRIPTION:
#
# Writing random data into /dev/zfs should do no harm.
#
# STRATEGY:
# 1. Write some random data into /dev/zfs
# 2. Verify that this should fail.
#
#
# TESTABILITY: explicit
#
# TEST_AUTOMATION_LEVEL: automated
#
# CODING_STATUS: COMPLETED (2007-04-24)
#
# __stc_assertion_end
#
################################################################################

log_assert "Writing random data into /dev/zfs should do no harm."

log_mustnot $DD if=/dev/urandom of=/dev/zfs count=1024

log_pass "Writing random data into /dev/zfs should do no harm."
