| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 9.5.10 |
| description: > |
| [[Delete]] (P) |
| |
| 8. If trap is undefined, then Return target.[[Delete]](P). |
| flags: [noStrict] |
| features: [Proxy] |
| ---*/ |
| |
| var target = { |
| attr: 1 |
| }; |
| var p = new Proxy(target, {}); |
| |
| assert.sameValue(delete p.attr, true); |
| assert.sameValue(delete p.notThere, true); |
| assert.sameValue( |
| Object.getOwnPropertyDescriptor(target, "attr"), |
| undefined |
| ); |
| |
| Object.defineProperty(target, "attr", { |
| configurable: false, |
| enumerable: true, |
| value: 1 |
| }); |
| |
| assert.sameValue(delete p.attr, false); |
