test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-7.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: 15.4.4.22-10-7
description: >
    Array.prototype.reduceRight - subclassed array when length to 1
    and initialvalue provided
---*/

  foo.prototype = [1];
  function foo() {}
  var f = new foo();

  function cb(prevVal, curVal, idx, obj){return prevVal + curVal;}

assert.sameValue(f.reduceRight(cb,"4"), "41", 'f.reduceRight(cb,"4")');