| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 9.5.5 |
| description: > |
| Return undefined if trap result is undefined and target is extensible and |
| the target property descriptor is configurable. |
| info: | |
| [[GetOwnProperty]] (P) |
| |
| ... |
| 14. If trapResultObj is undefined, then |
| ... |
| f. Return undefined. |
| ... |
| features: [Proxy] |
| ---*/ |
| |
| var target = { |
| attr: 1 |
| }; |
| |
| var p = new Proxy(target, { |
| getOwnPropertyDescriptor: function(t, prop) { |
| return; |
| } |
| }); |
| |
| assert.sameValue(Object.getOwnPropertyDescriptor(p, "attr"), undefined); |