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 ToString conversion from undefined value is "undefined"

  *

  * @path ch09/9.8/S9.8_A1_T2.js

  * @description Undefined values is undefined, void 0 and eval("var x"). Use implicit transformation

  */

 // CHECK#1

 if (undefined + "" !== "undefined") {

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

 }

 // CHECK#2

 if (void 0 + "" !== "undefined") {

   $ERROR('#2: void 0 + "" === "undefined". Actual: ' + (void 0 + ""));

 }

 // CHECK#3

 if (eval("var x") + "" !== "undefined") {

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

 }