// 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 inherited accessor property on an Array-like object ---*/ var proto = {}; Object.defineProperty(proto, "length", { get: function() { return 2; }, configurable: true }); var Con = function() {}; Con.prototype = proto; var child = new Con(); child[1] = 1; child[2] = 2; assert.sameValue(Array.prototype.lastIndexOf.call(child, 1), 1, 'Array.prototype.lastIndexOf.call(child, 1)'); assert.sameValue(Array.prototype.lastIndexOf.call(child, 2), -1, 'Array.prototype.lastIndexOf.call(child, 2)'); reportCompare(0, 0);