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

69 lines
1.7 KiB
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: 15.2.3.9-2-b-i-2
description: >
Object.freeze - The [[Wrtiable]] attribute of all own data
property of 'O' is set to false while other attributes are
unchanged
includes: [propertyHelper.js]
---*/
var obj = {};
Object.defineProperty(obj, "foo1", {
value: 10,
writable: false,
enumerable: true,
configurable: false
});
Object.defineProperty(obj, "foo2", {
value: 20,
writable: true,
enumerable: false,
configurable: false
});
Object.freeze(obj);
var desc1 = Object.getOwnPropertyDescriptor(obj, "foo1");
var desc2 = Object.getOwnPropertyDescriptor(obj, "foo2");
verifyEqualTo(obj, "foo1", 10);
verifyNotWritable(obj, "foo1");
verifyEnumerable(obj, "foo1");
verifyNotConfigurable(obj, "foo1");
verifyEqualTo(obj, "foo2", 20);
verifyNotWritable(obj, "foo2");
verifyNotEnumerable(obj, "foo2");
verifyNotConfigurable(obj, "foo2");
if (desc1.configurable !== false) {
$ERROR('Expected desc1.configurable === false, actually ' + desc1.configurable);
}
if (desc1.writable !== false) {
$ERROR('Expected desc1.writable === false, actually ' + desc1.writable);
}
if (desc2.configurable !== false) {
$ERROR('Expected desc2.configurable === false, actually ' + desc2.configurable);
}
if (desc2.writable !== false) {
$ERROR('Expected desc2.writable === false, actually ' + desc2.writable);
}