JSTests/test262/test/built-ins/Object/defineProperty/15.2.3.6-3-239.js

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

/*---
es5id: 15.2.3.6-3-239
description: >
    Object.defineProperty - 'set' property in 'Attributes' is own data
    property that overrides an inherited data property (8.10.5 step
    8.a)
---*/

var obj = {};
var data1 = "data";
var data2 = "data";
var proto = {
  set: function(value) {
    data1 = value;
  }
};

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

var child = new ConstructFun();
child.set = function(value) {
  data2 = value;
};

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

obj.property = "overrideData";

assert(obj.hasOwnProperty("property"), 'obj.hasOwnProperty("property") !== true');
assert.sameValue(data1, "data", 'data1');
assert.sameValue(data2, "overrideData", 'data2');