test262/test/built-ins/Object/freeze/15.2.3.9-2-c-1.js

41 lines
935 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-c-1
description: >
Object.freeze - The [[Configurable]] attribute of own data
property of 'O' is set to false while other attributes are
unchanged
includes: [propertyHelper.js]
---*/
var obj = {};
Object.defineProperty(obj, "foo", {
value: 10,
writable: false,
enumerable: true,
configurable: true
});
Object.freeze(obj);
var desc = Object.getOwnPropertyDescriptor(obj, "foo");
if (desc.configurable !== false) {
$ERROR("Expected desc.configurable to be false, actually " + desc.configurable);
}
if (desc.writable !== false) {
$ERROR("Expected desc.writable to be false, actually " + desc.writable);
}
verifyEqualTo(obj, "foo", 10);
verifyNotWritable(obj, "foo");
verifyEnumerable(obj, "foo");
verifyNotConfigurable(obj, "foo");