test262/test/built-ins/Object/freeze/15.2.3.9-2-a-3.js

35 lines
723 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.9-2-a-3
description: >
Object.freeze - 'P' is own data property that overrides an
inherited accessor property
includes: [propertyHelper.js]
---*/
var proto = {};
Object.defineProperty(proto, "foo", {
get: function () {
return 0;
},
configurable: true
});
var Con = function () { };
Con.prototype = proto;
var child = new Con();
Object.defineProperty(child, "foo", {
value: 10,
configurable: true
});
Object.freeze(child);
verifyNotWritable(child, "foo");
verifyNotConfigurable(child, "foo");
assert.sameValue(child.foo, 10);