JSTests/test262/test/built-ins/Array/prototype/filter/15.4.4.20-2-19.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: 15.4.4.20-2-19
description: >
    Array.prototype.filter applied to Function object, which
    implements its own property get method
---*/

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

        var fun = function (a, b) {
            return a + b;
        };
        fun[0] = 12;
        fun[1] = 11;
        fun[2] = 9;

        var newArr = Array.prototype.filter.call(fun, callbackfn);

assert.sameValue(newArr.length, 2, 'newArr.length');