/// 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 ch11/11.13/11.13.1/11.13.1-3-s.js * @description Strict Mode - TypeError is thrown if The LeftHandSide is a reference to a non-existent property of an object whose [[Extensible]] internal property has the value false under strict mode * @onlyStrict */ function testcase() { "use strict"; var obj = {}; Object.preventExtensions(obj); try { obj.len = 10; return false; } catch (e) { return e instanceof TypeError; } } runTestCase(testcase);