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 2007 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)compress_001_pos.ksh 1.2 07/01/09 SMI" 30# 31. $STF_SUITE/include/libtest.kshlib 32 33################################################################################ 34# 35# __stc_assertion_start 36# 37# ID: compress_001_pos 38# 39# DESCRIPTION: 40# Create two files of exactly the same size. One with compression 41# and one without. Ensure the compressed file is smaller. 42# 43# STRATEGY: 44# Use "zfs set" to turn on compression and create files before 45# and after the set call. The compressed file should be smaller. 46# 47# TESTABILITY: explicit 48# 49# TEST_AUTOMATION_LEVEL: automated 50# 51# CODING_STATUS: COMPLETED (2005-07-04) 52# 53# __stc_assertion_end 54# 55################################################################################ 56 57verify_runnable "both" 58 59typeset OP=create 60 61log_assert "Ensure that compressed files are smaller." 62 63log_note "Ensure compression is off" 64log_must $ZFS set compression=off $TESTPOOL/$TESTFS 65 66log_note "Writing file without compression..." 67log_must $FILE_WRITE -o $OP -f $TESTDIR/$TESTFILE0 -b $BLOCKSZ \ 68 -c $NUM_WRITES -d $DATA 69 70log_note "Add compression property to the dataset and write another file" 71log_must $ZFS set compression=on $TESTPOOL/$TESTFS 72 73log_must $FILE_WRITE -o $OP -f $TESTDIR/$TESTFILE1 -b $BLOCKSZ \ 74 -c $NUM_WRITES -d $DATA 75 76log_must $SYNC $TESTDIR 77 78FILE0_BLKS=`$DU -k $TESTDIR/$TESTFILE0 | $AWK '{ print $1}'` 79FILE1_BLKS=`$DU -k $TESTDIR/$TESTFILE1 | $AWK '{ print $1}'` 80 81if [[ $FILE0_BLKS -le $FILE1_BLKS ]]; then 82 log_fail "$TESTFILE0 is smaller than $TESTFILE1" \ 83 "($FILE0_BLKS <= $FILE1_BLKS)" 84fi 85 86log_pass "$TESTFILE0 is bigger than $TESTFILE1 ($FILE0_BLKS > $FILE1_BLKS)" 87