test/built-ins/Array/prototype/reduce/15.4.4.21-2-17.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.reduce
es5id: 15.4.4.21-2-17
description: >
    Array.prototype.reduce applied to the Arguments object, which
    implements its own property get method
---*/

        function callbackfn(prevVal, curVal, idx, obj) {
            return (obj.length === 2);
        }

        var func = function (a, b) {
            arguments[2] = 9;
            return Array.prototype.reduce.call(arguments, callbackfn, 1);
        };

assert.sameValue(func(12, 11), true, 'func(12, 11)');