// 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 - deleting own property causes index property not to be visited on an Array ---*/ var arr = [1, 2, 3, 4]; Object.defineProperty(arr, "1", { get: function() { return "6.99"; }, configurable: true }); Object.defineProperty(arr, "3", { get: function() { delete arr[1]; return 0; }, configurable: true }); assert.sameValue(arr.lastIndexOf("6.99"), -1, 'arr.lastIndexOf("6.99")'); reportCompare(0, 0);