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# $FreeBSD$
24
25#
26# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
27# Use is subject to license terms.
28#
29# ident	"@(#)truncate_001_pos.ksh	1.3	09/01/12 SMI"
30#
31
32. $STF_SUITE/include/libtest.kshlib
33
34################################################################################
35#
36# __stc_assertion_start
37#
38# ID: truncate_001_pos
39#
40# DESCRIPTION:
41# 	Tests file truncation within ZFS.
42#
43# STRATEGY:
44# 	1. Open file
45# 	2. Write random blocks in random places
46# 	3. Truncate the file
47# 	4. Repeat steps 2 and 3 lots of times
48# 	5. Close the file.
49#
50# TESTABILITY: explicit
51#
52# TEST_AUTOMATION_LEVEL: automated
53#
54# CODING_STATUS: COMPLETED (2005-07-04)
55#
56# __stc_assertion_end
57#
58################################################################################
59
60verify_runnable "global"
61
62function cleanup
63{
64	[[ -e $TESTDIR ]] && log_must $RM -rf $TESTDIR/*
65}
66
67log_assert "Ensure file with random blocks is truncated properly"
68
69options=""
70options_display="default options"
71
72log_onexit cleanup
73
74[[ -n "$TRUNC_FILESIZE" ]] && options=" $options -f $TRUNC_FILESIZE "
75
76[[ -n "$TRUNC_BLKSIZE" ]] && options="$options -b $TRUNC_BLKSIZE "
77
78[[ -n "$TRUNC_COUNT" ]] && options="$options -c $TRUNC_COUNT "
79
80[[ -n "$TRUNC_SEED" ]] && options="$options -s $TRUNC_SEED "
81
82[[ -n "$TRUNC_FILEOFFSET" ]] && options="$options -o $TRUNC_FILEOFFSET "
83
84[[ -n "$options" ]] && options_display=$options
85
86log_note "Invoking $FILE_TRUNC with: $options_display"
87log_must $FILE_TRUNC $options $TESTDIR/$TESTFILE
88
89typeset dir=$(get_device_dir $DISKS)
90verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
91
92log_pass "Random blocks have been truncated properly."
93