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ES5Harness.registerTest({
    id: "15.2.3.7-5-b-158",

    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.7/15.2.3.7-5-b-158.js",

    description: "Object.defineProperties - 'descObj' is a RegExp object which implements its own [[Get]] method to get 'writable' property (8.10.5 step 6.a)",

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

        var descObj = new RegExp();

        descObj.writable = false;

        Object.defineProperties(obj, {
            property: descObj
        });

        obj.property = "isWritable";

        return obj.hasOwnProperty("property") && typeof (obj.property) === "undefined";
    },

    precondition: function prereq() {
        return fnExists(Object.defineProperties);
    }
});