JSTests/test262/test/built-ins/Array/prototype/map/15.4.4.19-1-10.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: 15.4.4.19-1-10
description: Array.prototype.map - applied to the Math object
---*/

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

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

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