test/suite/ch15/15.1/15.1.2/15.1.2.4/S15.1.2.4_A2.2.js


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

/**
 * The length property of isNaN has the attribute DontDelete
 *
 * @path ch15/15.1/15.1.2/15.1.2.4/S15.1.2.4_A2.2.js
 * @description Checking use hasOwnProperty, delete
 * @noStrict
 */

//CHECK#1
if (isNaN.hasOwnProperty('length') !== true) {
  $FAIL('#1: isNaN.hasOwnProperty(\'length\') === true. Actual: ' + (isNaN.hasOwnProperty('length')));
}

delete isNaN.length;

//CHECK#2
if (isNaN.hasOwnProperty('length') !== true) {
  $ERROR('#2: delete isNaN.length; isNaN.hasOwnProperty(\'length\') === true. Actual: ' + (isNaN.hasOwnProperty('length')));
}

//CHECK#3
if (isNaN.length === undefined) {
  $ERROR('#3: delete isNaN.length; isNaN.length !== undefined');
}