test/built-ins/Object/defineProperties/15.2.3.7-5-a-1.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: 15.2.3.7-5-a-1
description: >
    Object.defineProperties - 'P' is own data property that overrides
    enumerable inherited data property of 'Properties' is defined in
    'O'
---*/

        var obj = {};

        var proto = {};

        Object.defineProperty(proto, "prop", {
            value: {
                value: 9
            },
            enumerable: true
        });

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

        var child = new Con();
        Object.defineProperty(child, "prop", {
            value: {
                value: 12
            },
            enumerable: true
        });

        Object.defineProperties(obj, child);

assert(obj.hasOwnProperty("prop"), 'obj.hasOwnProperty("prop") !== true');
assert.sameValue(obj.prop, 12, 'obj.prop');