// 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 does not delete non-configurable properties flags: [noStrict] ---*/ var arr = [0, 1, 2, 3]; Object.defineProperty(arr, "2", { get: function() { return "unconfigurable"; }, configurable: false }); Object.defineProperty(arr, "3", { get: function() { arr.length = 2; return 1; }, configurable: true }); assert.sameValue(arr.lastIndexOf("unconfigurable"), 2, 'arr.lastIndexOf("unconfigurable")'); reportCompare(0, 0);