test/built-ins/Object/defineProperty/15.2.3.6-3-161.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-3-161
description: >
    Object.defineProperty - 'writable' property in 'Attributes' is own
    accessor property that overrides an inherited accessor property
    (8.10.5 step 6.a)
---*/

        var obj = {};

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

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

        var child = new ConstructFun();
        Object.defineProperty(child, "writable", {
            get: function () {
                return true;
            }
        });

        Object.defineProperty(obj, "property", child);

        var beforeWrite = obj.hasOwnProperty("property");

        obj.property = "isWritable";

        var afterWrite = (obj.property === "isWritable");

assert.sameValue(beforeWrite, true, 'beforeWrite');
assert.sameValue(afterWrite, true, 'afterWrite');