test262/test/built-ins/Object/seal/15.2.3.8-2-a-6.js

41 lines
1008 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: 15.2.3.8-2-a-6
description: >
Object.seal - 'P' is own accessor property that overrides an
inherited accessor property
includes: [propertyHelper.js]
---*/
var proto = {};
Object.defineProperty(proto, "foo", {
get: function () {
return 0;
},
configurable: true
});
var ConstructFun = function () { };
ConstructFun.prototype = proto;
var obj = new ConstructFun();
Object.defineProperty(obj, "foo", {
get: function () {
return 10;
},
configurable: true
});
assert(Object.isExtensible(obj));
Object.seal(obj);
verifyNotConfigurable(obj, "foo");
assert.sameValue(obj.foo, 10);