JSTests/test262/test/built-ins/Array/prototype/filter/15.4.4.20-2-17.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-array.prototype.filter
es5id: 15.4.4.20-2-17
description: >
    Array.prototype.filter applied to the Arguments object, which
    implements its own property get method
---*/

        function callbackfn(val, idx, obj) {
            return obj.length === 2;
        }

        var func = function (a, b) {
            var newArr = Array.prototype.filter.call(arguments, callbackfn);
            return newArr.length === 2;
        };

assert(func(12, 11), 'func(12, 11) !== true');