JSTests/test262/test/built-ins/Array/prototype/filter/15.4.4.20-9-b-6.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: 15.4.4.20-9-b-6
description: >
    Array.prototype.filter - properties can be added to prototype
    after current position are visited on an Array-like object
---*/

        function callbackfn(val, idx, obj) {
            return true;
        }
        var obj = { length: 2 };

            Object.defineProperty(obj, "0", {
                get: function () {
                    Object.defineProperty(Object.prototype, "1", {
                        get: function () {
                            return 6.99;
                        },
                        configurable: true
                    });
                    return 0;
                },
                configurable: true
            });

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

assert.sameValue(newArr.length, 2, 'newArr.length');
assert.sameValue(Array[1], 6.99, 'Array[1]');