JSTests/test262/test/built-ins/Array/prototype/map/15.4.4.19-3-6.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.map
es5id: 15.4.4.19-3-6
description: >
    Array.prototype.map - 'length' is a string containing a positive
    number
---*/

        function callbackfn(val, idx, obj) {
            return val > 10;
        }

        var obj = { 0: 10, 1: 12, 2: 9, length: 2 };

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

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