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ES5Harness.registerTest({

    id: "15.4.4.20-9-c-i-28",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.20/15.4.4.20-9-c-i-28.js",

    description: "Array.prototype.filter - element changed by getter on previous iterations is observed on an Array",

    test: function testcase() {

        var preIterVisible = false;
        var arr = [];

        function callbackfn(val, idx, obj) {
            return idx === 1 && val === 9;
        }

        Object.defineProperty(arr, "0", {
            get: function () {
                preIterVisible = true;
                return 11;
            },
            configurable: true
        });

        Object.defineProperty(arr, "1", {
            get: function () {
                if (preIterVisible) {
                    return 9;
                } else {
                    return 11;
                }
            },
            configurable: true
        });
        var newArr = arr.filter(callbackfn);

        return newArr.length === 1 && newArr[0] === 9;
    },

    precondition: function prereq() {
        return fnExists(Array.prototype.filter) && fnExists(Object.defineProperty) && fnSupportsArrayIndexGettersOnArrays();
    }

});
