| // Copyright 2011 Google Inc. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 8.6.2_A8 |
| description: > |
| It should not be possible to change the [[Prototype]] of a |
| non-extensible object |
| ---*/ |
| |
| var x = Object.preventExtensions({}); |
| var y = {}; |
| try { |
| x.__proto__ = y; |
| } catch (err) { |
| // As far as this test is concerned, we allow the above assignment |
| // to fail. This failure does violate the spec and should probably |
| // be tested separately. |
| } |
| if (Object.getPrototypeOf(x) !== Object.prototype) { |
| $ERROR("Prototype of non-extensible object mutated"); |
| } |
