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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: 15.4.4.21-9-b-28
description: >
Array.prototype.reduce - decreasing length of array with prototype
property causes prototype index property to be visited
---*/
var testResult = false;
function callbackfn(accum, val, idx, obj) {
if (idx === 2 && val === "prototype") {
testResult = true;
}
}
var arr = [0, 1, 2, 3];
Object.defineProperty(Array.prototype, "2", {
get: function() {
return "prototype";
},
configurable: true
});
Object.defineProperty(arr, "0", {
get: function() {
arr.length = 2;
return 1;
},
configurable: true
});
arr.reduce(callbackfn, "initialValue");
assert(testResult, 'testResult !== true');
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