test/suite/ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-344.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
description: >
    ES5 Attributes - success to update [[Enumerable]] attribute of
    data property ([[Writable]] is true, [[Enumerable]] is false,
    [[Configurable]] is true) to different value
includes: [runTestCase.js]
---*/

function testcase() {
        var obj = {};

        Object.defineProperty(obj, "prop", {
            value: 2010,
            writable: true,
            enumerable: false,
            configurable: true
        });
        var propertyDefineCorrect = obj.hasOwnProperty("prop");
        var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");

        Object.defineProperty(obj, "prop", {
            enumerable: true
        });
        var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");

        return propertyDefineCorrect && desc1.enumerable === false && obj.prop === 2010 && desc2.enumerable === true;
    }
runTestCase(testcase);