test262/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-6.js

23 lines
567 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.4-4-b-6
description: >
Object.getOwnPropertyNames - elements of the returned array are
configurable
---*/
var obj = {
"a": "a"
};
var result = Object.getOwnPropertyNames(obj);
var beforeDeleted = (result.hasOwnProperty("0"));
delete result[0];
var afterDeleted = (result.hasOwnProperty("0"));
assert(beforeDeleted, 'beforeDeleted !== true');
assert.sameValue(afterDeleted, false, 'afterDeleted');