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.

 /**

  * Result of boolean conversion from undefined value is false

  *

  * @path ch09/9.2/S9.2_A1_T1.js

  * @description Undefined, void and others are converted to Boolean by explicit transformation

  */

 // CHECK#1

 if (Boolean(undefined) !== false) {

   $ERROR('#1: Boolean(undefined) === false. Actual: ' + (Boolean(undefined)));

 }

 // CHECK#2

 if (Boolean(void 0) !== false) {

   $ERROR('#2: Boolean(undefined) === false. Actual: ' + (Boolean(undefined)));

 }

 // CHECK#3

 if (Boolean(eval("var x")) !== false) {

   $ERROR('#3: Boolean(eval("var x")) === false. Actual: ' + (Boolean(eval("var x"))));

 }

 // CHECK#4

 if (Boolean() !== false) {

   $ERROR('#4: Boolean() === false. Actual: ' + (Boolean()));

 }