js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-7-4.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.reduceright
description: >
    Array.prototype.reduceRight returns initialValue if 'length' is 0
    and initialValue is present (subclassed Array, length overridden
    to 0 (type conversion))
---*/

foo.prototype = new Array(1, 2, 3);

function foo() {}
var f = new foo();
f.length = 0;

function cb() {}
assert.sameValue(f.reduceRight(cb, 1), 1, 'f.reduceRight(cb,1)');

reportCompare(0, 0);