// 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 - decreasing length of array with prototype property causes prototype index property to be visited ---*/ var arr = [0, 1, 2, 3, 4]; Object.defineProperty(Array.prototype, "2", { get: function() { return "prototype"; }, configurable: true }); Object.defineProperty(arr, "3", { get: function() { arr.length = 2; return 1; }, configurable: true }); assert.sameValue(arr.lastIndexOf("prototype"), 2, 'arr.lastIndexOf("prototype")'); reportCompare(0, 0);