| // 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-119 |
| description: > |
| Object.defineProperties - 'O' is an Array, 'P' is the length |
| property of 'O', the [[Value]] field of 'desc' is absent, test |
| TypeError is thrown when updating the [[Writable]] attribute of |
| the length property from false to true (15.4.5.1 step 3.a.i) |
| ---*/ |
| |
| var arr = []; |
| |
| Object.defineProperty(arr, "length", { |
| writable: false |
| }); |
| assert.throws(TypeError, function() { |
| Object.defineProperties(arr, { |
| length: { |
| writable: true |
| } |
| }); |
| }); |