| // 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-297 |
| description: > |
| Object.defineProperties - 'O' is an Arguments object, 'P' is an |
| array index named data property of 'O' but not defined in |
| [[ParameterMap]] of 'O', test TypeError is thrown when updating |
| the [[Configurable]] attribute value of 'P' which is not |
| configurable (10.6 [[DefineOwnProperty]] step 4) |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| |
| var arg; |
| |
| (function fun() { |
| arg = arguments; |
| }()); |
| |
| Object.defineProperty(arg, "0", { |
| value: 0, |
| writable: false, |
| enumerable: false, |
| configurable: false |
| }); |
| |
| try { |
| Object.defineProperties(arg, { |
| "0": { |
| configurable: true |
| } |
| }); |
| |
| throw new Test262Error("Expected an exception."); |
| } catch (e) { |
| verifyEqualTo(arg, "0", 0); |
| |
| verifyNotWritable(arg, "0"); |
| |
| verifyNotEnumerable(arg, "0"); |
| |
| verifyNotConfigurable(arg, "0"); |
| |
| if (!(e instanceof TypeError)) { |
| throw new Test262Error("Expected TypeError, got " + e); |
| } |
| |
| } |