test/built-ins/Array/prototype/filter/15.4.4.20-1-6.js


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// 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: 15.4.4.20-1-6
description: Array.prototype.filter applied to Number object
---*/

        function callbackfn(val, idx, obj) {
            return obj instanceof Number;
        }

        var obj = new Number(-128);
        obj.length = 2;
        obj[0] = 11;
        obj[1] = 12;

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

assert.sameValue(newArr[0], 11, 'newArr[0]');
assert.sameValue(newArr[1], 12, 'newArr[1]');