test/built-ins/Array/prototype/filter/15.4.4.20-9-c-ii-18.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.

/*---
es5id: 15.4.4.20-9-c-ii-18
description: >
    Array.prototype.filter - 'this' of 'callbackfn' is an String
    object when T is not an object (T is a string)
---*/

        function callbackfn(val, idx, obj) {
            return 'hello' === this.valueOf();
        }

        var obj = { 0: 11, length: 2 };
        var newArr = Array.prototype.filter.call(obj, callbackfn, "hello");

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