1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --harmony-proxies 6 7 var handler = {}; 8 var target = { a: 1 }; 9 var proxy = new Proxy(target, handler); 10 11 assertTrue(target.propertyIsEnumerable('a')); 12 assertTrue(proxy.propertyIsEnumerable('a')); 13 assertFalse(target.propertyIsEnumerable('b')); 14 assertFalse(proxy.propertyIsEnumerable('b')); 15 16 handler.getOwnPropertyDescriptor = function(target, prop) { 17 return { configurable: true, enumerable: true, value: 10 }; 18 } 19 assertTrue(target.propertyIsEnumerable('a')); 20 assertTrue(proxy.propertyIsEnumerable('a')); 21 assertFalse(target.propertyIsEnumerable('b')); 22 assertTrue(proxy.propertyIsEnumerable('b')); 23 24 handler.getOwnPropertyDescriptor = function(target, prop) { 25 return { configurable: true, enumerable: false, value: 10 }; 26 } 27 assertTrue(target.propertyIsEnumerable('a')); 28 assertFalse(proxy.propertyIsEnumerable('a')); 29 assertFalse(target.propertyIsEnumerable('b')); 30 assertFalse(proxy.propertyIsEnumerable('b')); 31
