mirror of
https://github.com/tc39/test262.git
synced 2025-05-29 11:10:32 +02:00
32 lines
632 B
JavaScript
32 lines
632 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
esid: sec-setintegritylevel
|
|
description: >
|
|
Object.seal - 'P' is own data property that overrides an inherited
|
|
data property
|
|
includes: [propertyHelper.js]
|
|
---*/
|
|
|
|
var proto = {
|
|
foo: 0
|
|
};
|
|
|
|
var ConstructFun = function() {};
|
|
ConstructFun.prototype = proto;
|
|
|
|
var obj = new ConstructFun();
|
|
Object.defineProperty(obj, "foo", {
|
|
value: 10,
|
|
configurable: true
|
|
});
|
|
|
|
assert(Object.isExtensible(obj));
|
|
Object.seal(obj);
|
|
|
|
verifyProperty(obj, "foo", {
|
|
value: 10,
|
|
configurable: false,
|
|
});
|