test/built-ins/Object/defineProperty/15.2.3.6-4-356.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: 15.2.3.6-4-356
description: >
    ES5 Attributes - property ([[Writable]] is false, [[Enumerable]]
    is true, [[Configurable]] is true) is deletable
---*/

        var obj = {};

        Object.defineProperty(obj, "prop", {
            value: 2010,
            writable: false,
            enumerable: true,
            configurable: true
        });
        var beforeDelete = obj.hasOwnProperty("prop");
        delete obj.prop;
        var afterDelete = obj.hasOwnProperty("prop");

assert(beforeDelete, 'beforeDelete !== true');
assert.sameValue(afterDelete, false, 'afterDelete');