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.

 /**

  * Operator x * y returns ToNumber(x) * ToNumber(y)

  *

  * @path ch11/11.5/11.5.1/S11.5.1_A3_T2.6.js

  * @description Type(x) is different from Type(y) and both types vary between primitive String (primitive or object) and Undefined

  */

 //CHECK#1

 if (isNaN("1" * undefined) !== true) {

   $ERROR('#1: "1" * undefined === Not-a-Number. Actual: ' + ("1" * undefined));

 }

 //CHECK#2

 if (isNaN(undefined * "1") !== true) {

   $ERROR('#2: undefined * "1" === Not-a-Number. Actual: ' + (undefined * "1"));

 }

 //CHECK#3

 if (isNaN(new String("1") * undefined) !== true) {

   $ERROR('#3: new String("1") * undefined === Not-a-Number. Actual: ' + (new String("1") * undefined));

 }

 //CHECK#4

 if (isNaN(undefined * new String("1")) !== true) {

   $ERROR('#4: undefined * new String("1") === Not-a-Number. Actual: ' + (undefined * new String("1")));

 }