| // 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 descriptor from trap result if it has the same value as the target |
| property descriptor and they're not configurable. |
| features: [Proxy] |
| ---*/ |
| |
| var target = {}; |
| |
| Object.defineProperty(target, "attr", { |
| configurable: false, |
| enumerable: true, |
| value: 1 |
| }); |
| |
| var p = new Proxy(target, { |
| getOwnPropertyDescriptor: function(t, prop) { |
| return Object.getOwnPropertyDescriptor(t, prop); |
| } |
| }); |
| |
| var proxyDesc = Object.getOwnPropertyDescriptor(p, "attr"); |
| |
| assert.sameValue(proxyDesc.configurable, false); |
| assert(proxyDesc.enumerable); |
| assert.sameValue(proxyDesc.value, 1); |
| assert.sameValue(proxyDesc.writable, false); |