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