test262/test/built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-230.js

25 lines
648 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.3-4-230
description: >
Object.getOwnPropertyDescriptor - ensure that 'writable' property
of returned object is data property with correct 'configurable'
attribute
---*/
var obj = {
"property": "ownDataProperty"
};
var desc = Object.getOwnPropertyDescriptor(obj, "property");
var propDefined = ("writable" in desc);
delete desc.writable;
var propDeleted = "writable" in desc;
assert(propDefined, 'propDefined !== true');
assert.sameValue(propDeleted, false, 'propDeleted');