test/built-ins/Object/defineProperty/15.2.3.6-4-328.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: 15.2.3.6-4-328
description: >
    ES5 Attributes - property ([[Writable]] is true, [[Enumerable]] is
    true, [[Configurable]] is true) is deletable
includes: [runTestCase.js]
---*/

function testcase() {
        var obj = {};

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