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 a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics

  *

  * @path ch11/11.5/11.5.1/S11.5.1_A4_T8.js

  * @description Multiplication is not always associative (x * y * z is the same as (x * y) * z, not x * (y * z))

  */

 //CHECK#1

 if (Number.MAX_VALUE * 1.1 * 0.9 !== (Number.MAX_VALUE * 1.1) * 0.9) {

   $ERROR('#1: Number.MAX_VALUE * 1.1 * 0.9 === (Number.MAX_VALUE * 1.1) * 0.9. Actual: ' + (Number.MAX_VALUE * 1.1 * 0.9));

 } 

 //CHECK#2

 if ((Number.MAX_VALUE * 1.1) * 0.9 === Number.MAX_VALUE * (1.1 * 0.9)) {

   $ERROR('#2: (Number.MAX_VALUE * 1.1) * 0.9 !== Number.MAX_VALUE * (1.1 * 0.9)');

 }