// 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. ... ---*/ var target = { attr: 1 }; var p = new Proxy(target, { getOwnPropertyDescriptor: function(t, prop) { return; } }); assert.sameValue(Object.getOwnPropertyDescriptor(p, "attr"), undefined);