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.
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.
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]
24 # Copyright (c) 2007, Sun Microsystems Inc. All rights reserved.
25 # Copyright (c) 2013, 2016, Delphix. All rights reserved.
26 # Use is subject to license terms.
29 . $STF_SUITE/include/libtest.shlib
30 . $STF_SUITE/tests/functional/compression/compress.cfg
34 # Create two files of exactly the same size. One with compression
35 # and one without. Ensure the compressed file is smaller.
38 # Use "zfs set" to turn on compression and create files before
39 # and after the set call. The compressed file should be smaller.
42 verify_runnable "both"
46 log_assert "Ensure that compressed files are smaller."
48 log_note "Ensure compression is off"
49 log_must zfs set compression=off $TESTPOOL/$TESTFS
51 log_note "Writing file without compression..."
52 log_must file_write -o $OP -f $TESTDIR/$TESTFILE0 -b $BLOCKSZ \
53 -c $NUM_WRITES -d $DATA
55 log_note "Add compression property to the dataset and write another file"
56 log_must zfs set compression=on $TESTPOOL/$TESTFS
58 log_must file_write -o $OP -f $TESTDIR/$TESTFILE1 -b $BLOCKSZ \
59 -c $NUM_WRITES -d $DATA
63 FILE0_BLKS=`du -k $TESTDIR/$TESTFILE0 | awk '{ print $1}'`
64 FILE1_BLKS=`du -k $TESTDIR/$TESTFILE1 | awk '{ print $1}'`
66 if [[ $FILE0_BLKS -le $FILE1_BLKS ]]; then
67 log_fail "$TESTFILE0 is smaller than $TESTFILE1" \
68 "($FILE0_BLKS <= $FILE1_BLKS)"
71 log_pass "$TESTFILE0 is bigger than $TESTFILE1 ($FILE0_BLKS > $FILE1_BLKS)"