js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-c-ii-13.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
description: >
    Array.prototype.reduce - callbackfn is called with 4 formal
    parameter
---*/

var result = false;

function callbackfn(prevVal, curVal, idx, obj) {
  result = (prevVal === 1 && obj[idx] === curVal);
}

[11].reduce(callbackfn, 1);

assert(result, 'result !== true');

reportCompare(0, 0);