/// Copyright (c) 2012 Ecma International. All rights reserved. /// Ecma International makes this code available under the terms and conditions set /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the /// "Use Terms"). Any redistribution of this code must retain the above /// copyright and this notice and otherwise comply with the Use Terms. /** * @path ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-b-i-31.js * @description Array.prototype.lastIndexOf terminates iteration on unhandled exception on an Array-like object */ function testcase() { var accessed = false; var obj = { length: 3 }; Object.defineProperty(obj, "2", { get: function () { throw new TypeError(); }, configurable: true }); Object.defineProperty(obj, "1", { get: function () { accessed = true; return true; }, configurable: true }); try { Array.prototype.lastIndexOf.call(obj, true); return false; } catch (e) { return (e instanceof TypeError) && !accessed; } } runTestCase(testcase);