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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-23
description: >
Array.prototype.reduce - deleting property of prototype causes
deleted index property not to be visited on an Array-like Object
---*/
var accessed = false;
var testResult = true;
function callbackfn(accum, val, idx, obj) {
accessed = true;
if (idx === 3) {
testResult = false;
}
}
var obj = {
2: 2,
length: 20
};
Object.defineProperty(obj, "0", {
get: function() {
delete Object.prototype[3];
return 0;
},
configurable: true
});
Object.prototype[3] = 1;
Array.prototype.reduce.call(obj, callbackfn, "initialValue");
assert(testResult, 'testResult !== true');
assert(accessed, 'accessed !== true');
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