src/third_party/mozjs-45/js/src/tests/test262/ch11/11.1/11.1.2/S11.1.2_A1_T1.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/**
 * The result of evaluating an Identifier is always a value of type Reference
 *
 * @path ch11/11.1/11.1.2/S11.1.2_A1_T1.js
 * @description Creating variables without defining it
 */

//CHECK#1
if (this.x !== undefined) {
  $ERROR('#1: this.x === undefined. Actual: ' + (this.x));
}

//CHECK#2
var object = new Object();
if (object.prop !== undefined) {
  $ERROR('#2: var object = new Object(); object.prop === undefined. Actual: ' + (object.prop));
}

//CHECK#3
this.y++;
if (isNaN(y) !== true) {
  $ERROR('#3: this.y++; y === Not-a-Number. Actual: ' + (y));
}