// 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.lastindexof | |
description: > | |
Array.prototype.lastIndexOf - 'length' is own data property on an | |
Array | |
---*/ | |
var targetObj = {}; | |
Array.prototype[2] = targetObj; | |
assert.sameValue([0, targetObj].lastIndexOf(targetObj), 1, '[0, targetObj].lastIndexOf(targetObj)'); | |
assert.sameValue([0, 1].lastIndexOf(targetObj), -1, '[0, 1].lastIndexOf(targetObj)'); |