1#!/usr/local/bin/ksh93 -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26
27. $STF_SUITE/include/libtest.kshlib
28
29################################################################################
30#
31# __stc_assertion_start
32#
33# ID: truncate_001_pos
34#
35# DESCRIPTION:
36# 	Tests file truncation within ZFS.
37#
38# STRATEGY:
39# 	1. Open file
40# 	2. Write random blocks in random places
41# 	3. Truncate the file
42# 	4. Repeat steps 2 and 3 lots of times
43# 	5. Close the file.
44#
45# TESTABILITY: explicit
46#
47# TEST_AUTOMATION_LEVEL: automated
48#
49# CODING_STATUS: COMPLETED (2005-07-04)
50#
51# __stc_assertion_end
52#
53################################################################################
54
55verify_runnable "global"
56
57function cleanup
58{
59	[[ -e $TESTDIR ]] && log_must $RM -rf $TESTDIR/*
60}
61
62log_assert "Ensure file with random blocks is truncated properly"
63
64options=""
65options_display="default options"
66
67log_onexit cleanup
68
69[[ -n "$TRUNC_FILESIZE" ]] && options=" $options -f $TRUNC_FILESIZE "
70
71[[ -n "$TRUNC_BLKSIZE" ]] && options="$options -b $TRUNC_BLKSIZE "
72
73[[ -n "$TRUNC_COUNT" ]] && options="$options -c $TRUNC_COUNT "
74
75[[ -n "$TRUNC_SEED" ]] && options="$options -s $TRUNC_SEED "
76
77[[ -n "$TRUNC_FILEOFFSET" ]] && options="$options -o $TRUNC_FILEOFFSET "
78
79[[ -n "$options" ]] && options_display=$options
80
81log_note "Invoking $FILE_TRUNC with: $options_display"
82log_must $FILE_TRUNC $options $TESTDIR/$TESTFILE
83
84typeset dir=$(get_device_dir $DISKS)
85verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
86
87log_pass "Random blocks have been truncated properly."
88