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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.
/*---
es5id: 15.4.4.20-9-b-15
description: >
Array.prototype.filter - decreasing length of array with prototype
property causes prototype index property to be visited
---*/
function callbackfn(val, idx, obj) {
return true;
}
var arr = [0, 1, 2];
Object.defineProperty(Array.prototype, "2", {
get: function () {
return "prototype";
},
configurable: true
});
Object.defineProperty(arr, "1", {
get: function () {
arr.length = 2;
return 1;
},
configurable: true
});
var newArr = arr.filter(callbackfn);
assert.sameValue(newArr.length, 3, 'newArr.length');
assert.sameValue(newArr[2], "prototype", 'newArr[2]');
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