test/built-ins/Object/defineProperty/15.2.3.6-4-581.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: 15.2.3.6-4-581
description: ES5 Attributes - Fail to add property into object (Number instance)
includes: [propertyHelper.js]
---*/

var data = "data";

    Object.defineProperty(Number.prototype, "prop", {
        get: function () {
            return data;
        },
        enumerable: false,
        configurable: true
    });
    var numObj = new Number();

    verifyNotWritable(numObj, "prop", "nocheck");

    assert(!numObj.hasOwnProperty("prop"));
    assert.sameValue(numObj.prop, "data");
    assert.sameValue(data, "data");