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      1 # $NetBSD: t_truncate.sh,v 1.5 2025/01/07 17:36:45 andvar Exp $
      2 #
      3 # Copyright (c) 2005, 2006, 2007 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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     23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     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" "Verifies that the truncate operation works"
     31 	atf_set "require.user" "root"
     32 }
     33 basic_body() {
     34 	test_mount
     35 
     36 	echo "Creating big file"
     37 	jot 10000 >a || atf_fail "Failed to create big file"
     38 	echo "Truncating the file to a smaller size"
     39 	echo foo >a || atf_fail "Failed to truncate file to a smaller size"
     40 	[ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || \
     41 	    echo "Truncated file is incorrect"
     42 
     43 	echo "Truncating to zero bytes"
     44 	>a || atf_fail "Failed to truncate to 0"
     45 	echo "Truncating to zero bytes, second try"
     46 	>a || atf_fail "Failed to re-truncate to 0"
     47 
     48 	test_unmount
     49 }
     50 
     51 atf_init_test_cases() {
     52 	. $(atf_get_srcdir)/../h_funcs.subr
     53 	. $(atf_get_srcdir)/h_funcs.subr
     54 
     55 	atf_add_test_case basic
     56 }
     57