/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-295-1.js * @description Object.defineProperty - 'O' is an Arguments object of a function that has formal parameters, 'name' is own data property of 'O' which is also defined in [[ParameterMap]] of 'O', test TypeError is thrown when updating the [[Enumerable]] attribute value of 'name' which is defined as non-configurable (10.6 [[DefineOwnProperty]] step 4 and step 5b) */ function testcase() { return (function (a, b, c) { Object.defineProperty(arguments, "0", { value: 10, writable: false, enumerable: true, configurable: false }); try { Object.defineProperty(arguments, "0", { enumerable: false }); } catch (e) { var verifyFormal = a === 10; return e instanceof TypeError && dataPropertyAttributesAreCorrect(arguments, "0", 10, false, true, false) && verifyFormal; } return false; }(0, 1, 2)); } runTestCase(testcase);