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      1 # $NetBSD: t_devices.sh,v 1.6 2024/04/28 07:27:41 rillig Exp $
      2 #
      3 # Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions
      8 # are met:
      9 # 1. Redistributions of source code must retain the above copyright
     10 #    notice, this list of conditions and the following disclaimer.
     11 # 2. Redistributions in binary form must reproduce the above copyright
     12 #    notice, this list of conditions and the following disclaimer in the
     13 #    documentation and/or other materials provided with the distribution.
     14 #
     15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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     24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25 # POSSIBILITY OF SUCH DAMAGE.
     26 #
     27 
     28 atf_test_case basic
     29 basic_head() {
     30 	atf_set "descr" "Tests that special devices work"
     31 	atf_set "require.user" "root"
     32 }
     33 basic_body() {
     34 	test_mount
     35 
     36 	umask 022
     37 
     38 	atf_check -s exit:0 -o ignore -e ignore /dev/MAKEDEV std
     39 	atf_check -s exit:0 -o empty -e empty test -e zero
     40 	atf_check -s exit:0 -o empty -e empty test -e null
     41 
     42 	echo "Reading from the 'zero' character device"
     43 	atf_check -s exit:0 -o ignore -e ignore dd if=zero of=a bs=10k count=1
     44 	[ $(md5 a | cut -d ' ' -f 4) = 1276481102f218c981e0324180bafd9f ] || \
     45 	    atf_fail "Data read is invalid"
     46 
     47 	echo "Writing to the 'null' device"
     48 	echo foo >null
     49 	eval $(stat -s null)
     50 	[ ${st_size} -eq 0 ] || atf_fail "Invalid size for device"
     51 
     52 	test_unmount
     53 }
     54 
     55 atf_init_test_cases() {
     56 	. $(atf_get_srcdir)/../h_funcs.subr
     57 	. $(atf_get_srcdir)/h_funcs.subr
     58 
     59 	atf_add_test_case basic
     60 }
     61