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

30 lines
666 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-2
description: >
Object.freeze - 'P' is own data property that overrides an
inherited data property
includes: [propertyHelper.js]
---*/
var proto = {
foo: 0
}; // default [[Configurable]] attribute value of foo: true
var Con = function() {};
Con.prototype = proto;
var child = new Con();
child.foo = 10; // default [[Configurable]] attribute value of foo: true
Object.freeze(child);
verifyNotWritable(child, "foo");
verifyNotConfigurable(child, "foo");
assert.sameValue(child.foo, 10);