| Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 5 | // Flags: --harmony-object-observe |
| Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 6 | // Flags: --allow-natives-syntax |
| 7 | |
| 8 | // These tests are meant to ensure that that the Object.observe runtime |
| 9 | // functions are hardened. |
| 10 | |
| 11 | var obj = {}; |
| 12 | %SetIsObserved(obj); |
| 13 | assertThrows(function() { |
| 14 | %SetIsObserved(obj); |
| 15 | }); |
| 16 | |
| 17 | assertThrows(function() { |
| 18 | %SetIsObserved(this); |
| 19 | }); |