test/built-ins/Object/defineProperty/15.2.3.6-3-86.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: 15.2.3.6-3-86
description: >
    Object.defineProperty - 'Attributes' is a Function object which
    implements its own [[Get]] method to access the 'configurable'
    property (8.10.5 step 4.a)
---*/

        var obj = {};

        var funObj = function (a, b) {
            return a + b;
        };

        funObj.configurable = true;

        Object.defineProperty(obj, "property", funObj);

        var beforeDeleted = obj.hasOwnProperty("property");

        delete obj.property;

        var afterDeleted = obj.hasOwnProperty("property");

assert.sameValue(beforeDeleted, true, 'beforeDeleted');
assert.sameValue(afterDeleted, false, 'afterDeleted');