JSTests/test262/test/built-ins/Array/prototype/map/15.4.4.19-1-13.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: 15.4.4.19-1-13
description: Array.prototype.map - applied to the JSON object
---*/

        function callbackfn(val, idx, obj) {
            return ('[object JSON]' === Object.prototype.toString.call(obj));
        }

            JSON.length = 1;
            JSON[0] = 1;
            var testResult = Array.prototype.map.call(JSON, callbackfn);

assert.sameValue(testResult[0], true, 'testResult[0]');