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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 --harmony-reflect | |
Jakob Kummerow
2015/12/01 15:33:46
nit: I don't think you need --harmony-reflect
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6 | |
7 var handler = {}; | |
8 var target = {a:1}; | |
9 var proxy = new Proxy(target, handler); | |
10 | |
11 assertTrue(target.hasOwnProperty('a')); | |
12 assertTrue(proxy.hasOwnProperty('a')); | |
13 assertFalse(target.hasOwnProperty('b')); | |
14 assertFalse(proxy.hasOwnProperty('b')); | |
15 | |
16 | |
17 handler.has = function() { | |
18 return false; | |
19 } | |
20 assertTrue(target.hasOwnProperty('a')); | |
21 assertFalse(proxy.hasOwnProperty('a')); | |
22 assertFalse(target.hasOwnProperty('b')); | |
23 assertFalse(proxy.hasOwnProperty('b')); | |
24 | |
25 handler.has = function() { | |
26 return true; | |
27 } | |
28 assertTrue(target.hasOwnProperty('a')); | |
29 assertTrue(proxy.hasOwnProperty('a')); | |
30 assertFalse(target.hasOwnProperty('b')); | |
31 assertTrue(proxy.hasOwnProperty('b')); | |
32 | |
33 handler.has = function() { | |
34 throw Error(); | |
35 } | |
36 assertTrue(target.hasOwnProperty('a')); | |
37 assertThrows(function(){ proxy.hasOwnProperty('a') }, Error); | |
38 assertFalse(target.hasOwnProperty('b')); | |
39 assertThrows(function(){ proxy.hasOwnProperty('b') }, Error); | |
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