| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-proxy-object-internal-methods-and-internal-slots-defineownproperty-p-desc |
| es6id: 9.5.6 |
| description: > |
| Throw a TypeError exception if Desc is not configurable and target is not |
| extensible, and trap result is true (honoring the realm of the current |
| execution context). |
| info: | |
| [[DefineOwnProperty]] (P, Desc) |
| |
| ... |
| 19. If targetDesc is undefined, then |
| a. If extensibleTarget is false, throw a TypeError exception. |
| ... |
| features: [cross-realm, Proxy] |
| ---*/ |
| |
| var OProxy = $262.createRealm().global.Proxy; |
| var target = Object.create(null); |
| var p = new OProxy(target, { |
| defineProperty: function() { |
| return true; |
| } |
| }); |
| |
| Object.preventExtensions(target); |
| |
| assert.throws(TypeError, function() { |
| p.prop = null; |
| }); |