test/built-ins/Object/create/15.2.3.5-4-271.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

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

/*---
es5id: 15.2.3.5-4-271
description: >
    Object.create - 'set' property of one property in 'Properties' is
    own data property that overrides an inherited accessor property
    (8.10.5 step 8.a)
---*/

        var data1 = "data";
        var data2 = "data";

        var proto = {};
        Object.defineProperty(proto, "set", {
            get: function () {
                return function (value) {
                    data2 = value;
                };
            }
        });

        var ConstructFun = function () { };
        ConstructFun.prototype = proto;
        var child = new ConstructFun();
        Object.defineProperty(child, "set", {
            value: 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');