| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 15.2.3.6-4-298-1 |
| description: > |
| Object.defineProperty - 'O' is an Arguments object of a function |
| that has formal parameters, 'name' is own accessor property of 'O' |
| which is also defined in [[ParameterMap]] of 'O', test TypeError |
| is thrown when updating the [[Set]] attribute value of 'name' |
| which is defined as non-configurable (10.6 [[DefineOwnProperty]] |
| steps 4 and 5a) |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| (function(a, b, c) { |
| function getFunc() { |
| return 10; |
| } |
| Object.defineProperty(arguments, "0", { |
| get: getFunc, |
| set: undefined, |
| enumerable: false, |
| configurable: false |
| }); |
| |
| function setFunc(value) { |
| this.setVerifyHelpProp = value; |
| } |
| try { |
| Object.defineProperty(arguments, "0", { |
| set: setFunc |
| }); |
| $ERROR("Expected an exception."); |
| } catch (e) { |
| if (a !== 0) { |
| $ERROR('Expected a === 0, actually ' + a); |
| } |
| |
| verifyEqualTo(arguments, "0", getFunc()); |
| |
| verifyNotEnumerable(arguments, "0"); |
| |
| verifyNotConfigurable(arguments, "0"); |
| |
| if (!(e instanceof TypeError)) { |
| $ERROR("Expected TypeError, got " + e); |
| } |
| |
| } |
| }(0, 1, 2)); |