xref: /freebsd/contrib/netbsd-tests/fs/tmpfs/t_truncate.sh (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1# $NetBSD: t_truncate.sh,v 1.4 2010/11/07 17:51:18 jmmv 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
19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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
28atf_test_case basic
29basic_head() {
30	atf_set "descr" "Verifies that the truncate operation works"
31	atf_set "require.user" "root"
32}
33basic_body() {
34	test_mount
35
36	echo "Creating big file"
37	jot 10000 >a || atf_fail "Failed to create big file"
38	echo "Trunctaing 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
51atf_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