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ES5Harness.registerTest({

    id: "15.4.4.20-5-23",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.20/15.4.4.20-5-23.js",

    description: "Array.prototype.filter - number primitive can be used as thisArg",

    test: function testcase() {

        var accessed = false;

        function callbackfn(val, idx, obj) {
            accessed = true;
            return this.valueOf() === 101;
        }

        var newArr = [11].filter(callbackfn, 101);

        return newArr[0] === 11 && accessed;
    },

    precondition: function prereq() {
        return fnExists(Array.prototype.filter);
    }

});