test262/test/built-ins/Object/defineProperty/15.2.3.6-4-354-12.js

40 lines
1014 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: 15.2.3.6-4-354-12
description: >
Object.defineProperty will update [[Value]] attribute of indexed
property successfully when [[Configurable]] attribute is true and
[[Writable]] attribute is false, 'O' is an Arguments object
(8.12.9 - step Note)
includes: [propertyHelper.js]
---*/
var obj = (function () {
return arguments;
}());
Object.defineProperty(obj, "0", {
value: 1001,
writable: false,
configurable: true
});
Object.defineProperty(obj, "0", {
value: 1002
});
verifyEqualTo(obj, "0", 1002);
verifyNotWritable(obj, "0");
verifyNotEnumerable(obj, "0");
verifyConfigurable(obj, "0");