The Tor Browser / file revision

 // Copyright 2009 the Sputnik authors.  All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * The result of an addition is determined using the rules of IEEE 754 double-precision arithmetics

  *

  * @path ch11/11.6/11.6.1/S11.6.1_A4_T3.js

  * @description The sum of two infinities of the same sign is the infinity of that sign

  */

 //CHECK#1

 if (Number.POSITIVE_INFINITY + Number.POSITIVE_INFINITY !== Number.POSITIVE_INFINITY ) {

   $ERROR('#1: Infinity + Infinity === Infinity. Actual: ' + (Infinity + Infinity));

 }

 //CHECK#2

 if (Number.NEGATIVE_INFINITY + Number.NEGATIVE_INFINITY !== Number.NEGATIVE_INFINITY ) {

   $ERROR('#2: -Infinity + -Infinity === -Infinity. Actual: ' + (-Infinity + -Infinity));

 }