mirror of https://github.com/tc39/test262.git
24 lines
744 B
JavaScript
24 lines
744 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// Ecma International makes this code available under the terms and conditions set
|
|
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
|
|
// "Use Terms"). Any redistribution of this code must retain the above
|
|
// copyright and this notice and otherwise comply with the Use Terms.
|
|
|
|
/*---
|
|
es5id: 15.2.3.10-3-18
|
|
description: >
|
|
Object.preventExtensions - named 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, "exName", "nocheck");
|
|
|
|
assert(!obj.hasOwnProperty("exName"));
|