t_truncate revision 170809 
1#!/bin/sh
2#
3# $NetBSD: t_truncate,v 1.4 2006/11/09 16:20:06 jmmv Exp $
4#
5# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
6# All rights reserved.
7#
8# This code is derived from software contributed to The NetBSD Foundation
9# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
10# 2005 program.
11#
12# Redistribution and use in source and binary forms, with or without
13# modification, are permitted provided that the following conditions
14# are met:
15# 1. Redistributions of source code must retain the above copyright
16#    notice, this list of conditions and the following disclaimer.
17# 2. Redistributions in binary form must reproduce the above copyright
18#    notice, this list of conditions and the following disclaimer in the
19#    documentation and/or other materials provided with the distribution.
20# 3. All advertising materials mentioning features or use of this software
21#    must display the following acknowledgement:
22#        This product includes software developed by the NetBSD
23#        Foundation, Inc. and its contributors.
24# 4. Neither the name of The NetBSD Foundation nor the names of its
25#    contributors may be used to endorse or promote products derived
26#    from this software without specific prior written permission.
27#
28# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38# POSSIBILITY OF SUCH DAMAGE.
39#
40# $FreeBSD: head/tools/regression/tmpfs/t_truncate 170809 2007-06-16 02:04:44Z delphij $
41#
42
43#
44# Verifies that the truncate operations work.
45#
46
47test_run() {
48	test_mount
49
50	test_name "Write to new file works"
51	jot 10000 >a || die
52	test_name "Truncate the file to smaller size works"
53	echo foo >a || die
54	[ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
55
56	test_name "Truncate to zero size"
57	>a || die
58	test_name "Truncate to zero size, second try"
59	>a || die
60
61	test_unmount
62}
63
64. ${SUBRDIR}/h_funcs.subr
65