test/built-ins/Array/prototype/reduceRight/15.4.4.22-8-b-ii-1.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.reduceright
es5id: 15.4.4.22-8-b-ii-1
description: >
    Array.prototype.reduceRight - added properties in step 2 are
    visible here
---*/

var obj = {};

function callbackfn(prevVal, curVal, idx, obj) {}

Object.defineProperty(obj, "length", {
  get: function() {
    obj[2] = "accumulator";
    return 3;
  },
  configurable: true
});

assert.sameValue(Array.prototype.reduceRight.call(obj, callbackfn), "accumulator", 'Array.prototype.reduceRight.call(obj, callbackfn)');