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ES5Harness.registerTest({
    id: "15.2.3.6-4-329",

    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-329.js",

    description: "ES5 Attributes - success to update [[Writable]] attribute of data property ([[Writable]] is true, [[Enumerable]] is true, [[Configurable]] is true) to different value",

    test: function testcase() {
        var obj = {};

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

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

        return propertyDefineCorrect && desc1.writable === true && obj.prop === 2010 && desc2.writable === false;
    },

    precondition: function prereq() {
        return fnExists(Object.defineProperty) && fnExists(Object.getOwnPropertyDescriptor);
    }
});