test262/test/built-ins/Object/preventExtensions/15.2.3.10-3-8.js

21 lines
503 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.10-3-8
description: >
Object.preventExtensions - indexed properties cannot be added into
a Date object
includes: [propertyHelper.js]
---*/
var obj = new Date();
assert(Object.isExtensible(obj));
Object.preventExtensions(obj);
assert(!Object.isExtensible(obj));
verifyNotWritable(obj, "0", "nocheck");
assert(!obj.hasOwnProperty("0"));