js/src/tests/test262/ch11/11.6/11.6.2/S11.6.2_A4_T7.js

Wed, 31 Dec 2014 13:27:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 13:27:57 +0100
branch
TOR_BUG_3246
changeset 6
8bccb770b82d
permissions
-rw-r--r--

Ignore runtime configuration files generated during quality assurance.

michael@0 1 // Copyright 2009 the Sputnik authors. All rights reserved.
michael@0 2 // This code is governed by the BSD license found in the LICENSE file.
michael@0 3
michael@0 4 /**
michael@0 5 * Operator x - y produces the same result as x + (-y)
michael@0 6 *
michael@0 7 * @path ch11/11.6/11.6.2/S11.6.2_A4_T7.js
michael@0 8 * @description The mathematical difference of two nonzero finite values of the same magnitude and same sign is +0
michael@0 9 */
michael@0 10
michael@0 11 //CHECK#1
michael@0 12 if (Number.MIN_VALUE - Number.MIN_VALUE !== +0) {
michael@0 13 $ERROR('#1.1: Number.MIN_VALUE - Number.MIN_VALUE === 0. Actual: ' + (Number.MIN_VALUE - Number.MIN_VALUE));
michael@0 14 } else {
michael@0 15 if (1 / (Number.MIN_VALUE - Number.MIN_VALUE) !== Number.POSITIVE_INFINITY) {
michael@0 16 $ERROR('#1.2: Number.MIN_VALUE - Number.MIN_VALUE === + 0. Actual: -0');
michael@0 17 }
michael@0 18 }
michael@0 19
michael@0 20 //CHECK#2
michael@0 21 if (-Number.MAX_VALUE - -Number.MAX_VALUE !== +0) {
michael@0 22 $ERROR('#2.2: -Number.MAX_VALUE - -Number.MAX_VALUE === 0. Actual: ' + (-Number.MAX_VALUE - -Number.MAX_VALUE));
michael@0 23 } else {
michael@0 24 if (1 / (-Number.MAX_VALUE - -Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
michael@0 25 $ERROR('#2.1: -Number.MAX_VALUE - -Number.MAX_VALUE === + 0. Actual: -0');
michael@0 26 }
michael@0 27 }
michael@0 28
michael@0 29 //CHECK#3
michael@0 30 if (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE !== +0) {
michael@0 31 $ERROR('#3.1: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === 0. Actual: ' + (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE));
michael@0 32 } else {
michael@0 33 if (1 / (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
michael@0 34 $ERROR('#3.2: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === + 0. Actual: -0');
michael@0 35 }
michael@0 36 }
michael@0 37

mercurial