Mercurial > illumos > illumos-gate
view usr/src/test/zfs-tests/include/math.shlib @ 13899:0bcf78798346
3311 Want a test framework for arbitrary OS unit tests
3312 Add a testrunner package for OS unit tests
3313 Add a testrunner package to convert ZFS tests from STF
Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com>
Reviewed by: Will Guyette <will.guyette@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Henrik Mattson <henrik.mattson@delphix.com>
Reviewed by: Sonu Pillai <sonu.pillai@delphix.com>
Reviewed by: Christopher Siden <chris.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Richard Lowe <richlowe@richlowe.net>
author | John Wren Kennedy <john.kennedy@delphix.com> |
---|---|
date | Wed, 05 Dec 2012 22:04:50 -0500 |
parents | |
children |
line wrap: on
line source
# # This file and its contents are supplied under the terms of the # Common Development and Distribution License ("CDDL"), version 1.0. # You may only use this file in accordance with the terms of version # 1.0 of the CDDL. # # A full copy of the text of the CDDL should have accompanied this # source. A copy of the CDDL is also available via the Internet at # http://www.illumos.org/license/CDDL. # # # Copyright (c) 2012 by Delphix. All rights reserved. # # # Return 0 if the percentage difference between $a and $b is $percent or # greater. Return 1 if the percentage is lower or if we would divide by # zero. For use like this: # # Do $action if the calculated percentage is greater or equal to that passed in: # within_percent A B P && $action # Do $action if the calculated percentage is less than that passed in: # within_percent A B P || $action # function within_percent { typeset a=$1 typeset b=$1 typeset percent=$3 # Set $a or $b to $2 such that a >= b [[ '1' = $($ECHO "if ($2 > $a) 1" | $BC) ]] && a=$2 || b=$2 # Prevent division by 0 [[ $a =~ [1-9] ]] || return 1 typeset p=$($ECHO "scale=2; $b * 100 / $a" | $BC) log_note "Comparing $a and $b given $percent% (calculated: $p%)" [[ '1' = $($ECHO "scale=2; if ($p >= $percent) 1" | $BC) ]] && return 0 return 1 }