| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 15.2.3.7-6-a-282 |
| description: > |
| Object.defineProperties - 'O' is an Arguments object, 'P' is own |
| data property of 'O' which is also defined in [[ParameterMap]] of |
| 'O', test TypeError is thrown when updating the [[Value]] |
| attribute value of 'P' whose writable and configurable attributes |
| are false (10.6 [[DefineOwnProperty]] step 4) |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| |
| var arg; |
| |
| (function fun(a, b, c) { |
| arg = arguments; |
| }(0, 1, 2)); |
| |
| Object.defineProperty(arg, "0", { |
| value: 0, |
| writable: false, |
| configurable: false |
| }); |
| |
| try { |
| Object.defineProperties(arg, { |
| "0": { |
| value: 10 |
| } |
| }); |
| |
| throw new Test262Error("Expected an exception."); |
| } catch (e) { |
| verifyEqualTo(arg, "0", 0); |
| |
| verifyNotWritable(arg, "0"); |
| |
| verifyEnumerable(arg, "0"); |
| |
| verifyNotConfigurable(arg, "0"); |
| |
| if (!(e instanceof TypeError)) { |
| throw new Test262Error("Expected TypeError, got " + e); |
| } |
| |
| } |