xref: /illumos-gate/usr/src/test/zfs-tests/tests/functional/truncate/truncate_001_pos.ksh (revision b6805bf78d2bbbeeaea8909a05623587b42d58b3) 
1#!/usr/bin/ksh -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
28. $STF_SUITE/tests/functional/truncate/truncate.cfg
29. $STF_SUITE/include/libtest.shlib
30
31#
32# DESCRIPTION:
33# Tests file truncation within ZFS.
34#
35# STRATEGY:
36# 1. Open file
37# 2. Write random blocks in random places
38# 3. Truncate the file
39# 4. Repeat steps 2 and 3 lots of times
40# 5. Close the file.
41#
42
43verify_runnable "global"
44
45function cleanup
46{
47	[[ -e $TESTDIR ]] && log_must $RM -rf $TESTDIR/*
48}
49
50log_assert "Ensure file with random blocks is truncated properly"
51
52options=""
53options_display="default options"
54
55log_onexit cleanup
56
57[[ -n "$TRUNC_FILESIZE" ]] && options=" $options -f $TRUNC_FILESIZE "
58
59[[ -n "$TRUNC_BLKSIZE" ]] && options="$options -b $TRUNC_BLKSIZE "
60
61[[ -n "$TRUNC_COUNT" ]] && options="$options -c $TRUNC_COUNT "
62
63[[ -n "$TRUNC_SEED" ]] && options="$options -s $TRUNC_SEED "
64
65[[ -n "$TRUNC_FILEOFFSET" ]] && options="$options -o $TRUNC_FILEOFFSET "
66
67[[ -n "$options" ]] && options_display=$options
68
69log_note "Invoking $FILE_TRUNC with: $options_display"
70log_must $FILE_TRUNC $options $TESTDIR/$TESTFILE
71
72typeset dir=$(get_device_dir $DISKS)
73verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
74
75log_pass "Random blocks have been truncated properly."
76