// 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)'); reportCompare(0, 0);