test/built-ins/Array/prototype/reduce/15.4.4.21-1-4.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: 15.4.4.21-1-4
description: Array.prototype.reduce applied to Boolean object
---*/

function callbackfn(prevVal, curVal, idx, obj) {
  return obj instanceof Boolean;
}

var obj = new Boolean(true);
obj.length = 2;
obj[0] = 11;
obj[1] = 12;

assert(Array.prototype.reduce.call(obj, callbackfn, 1), 'Array.prototype.reduce.call(obj, callbackfn, 1) !== true');