// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.6-4-294 description: > Object.defineProperty - 'O' is an Arguments object, 'name' is own data property of 'O', test TypeError is thrown when updating the [[Writable]] attribute value of 'name' which is defined as non-configurable (10.6 [[DefineOwnProperty]] step 4) includes: [propertyHelper.js] ---*/ (function () { Object.defineProperty(arguments, "0", { value: 10, writable: false, enumerable: false, configurable: false }); try { Object.defineProperty(arguments, "0", { writable: true }); $ERROR("Expected an exception."); } catch (e) { verifyEqualTo(arguments, "0", 10); verifyNotWritable(arguments, "0"); verifyNotEnumerable(arguments, "0"); verifyNotConfigurable(arguments, "0"); if (!(e instanceof TypeError)) { $ERROR("Expected TypeError, got " + e); } } }(0, 1, 2));