test262/test/built-ins/Object/create/15.2.3.5-4-187.js

// 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: 15.2.3.5-4-187
description: >
    Object.create - 'writable' property of one property in
    'Properties' is own accessor property that overrides an inherited
    accessor property (8.10.5 step 6.a)
includes: [runTestCase.js]
---*/

function testcase() {

        var proto = {};

        Object.defineProperty(proto, "writable", {
            get: function () {
                return false;
            }
        });

        var ConstructFun = function () { };
        ConstructFun.prototype = proto;

        var descObj = new ConstructFun();

        Object.defineProperty(descObj, "writable", {
            get: function () {
                return true;
            }
        });

        var newObj = Object.create({}, {
            prop: descObj
        });

        var beforeWrite = (newObj.hasOwnProperty("prop") && typeof (newObj.prop) === "undefined");

        newObj.prop = "isWritable";

        var afterWrite = (newObj.prop === "isWritable");

        return beforeWrite === true && afterWrite === true;
    }
runTestCase(testcase);