// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 9.5.4 description: > Return target.[[PreventExtensions]]() if target is undefined. features: [Proxy, Reflect] ---*/ var target = {}; var p = new Proxy(target, {}); assert.sameValue(Reflect.preventExtensions(p), true); reportCompare(0, 0);