| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 9.5.6 |
| description: > |
| Trap returns a boolean. Checking on false values. |
| info: | |
| [[DefineOwnProperty]] (P, Desc) |
| |
| ... |
| 12. If booleanTrapResult is false, return false. |
| ... |
| features: [Proxy, Reflect] |
| ---*/ |
| |
| var target = {}; |
| var p = new Proxy(target, { |
| defineProperty: function(t, prop, desc) { |
| return 0; |
| } |
| }); |
| |
| assert.sameValue(Reflect.defineProperty(p, "attr", {}), false); |
| assert.sameValue( |
| Object.getOwnPropertyDescriptor(target, "attr"), |
| undefined |
| ); |