test/built-ins/Object/create/15.2.3.5-4-270.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: 15.2.3.5-4-270
description: >
    Object.create - 'set' property of one property in 'Properties' is
    own data property that overrides an inherited data property
    (8.10.5 step 8.a)
---*/

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

var ConstructFun = function() {};
ConstructFun.prototype = proto;
var child = new ConstructFun();
child.set = function(value) {
  data1 = value;
};

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

var hasProperty = newObj.hasOwnProperty("prop");

newObj.prop = "overrideData";

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