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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 | 5 // Flags: --harmony-proxies --harmony-reflect |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | |
9 | |
10 var global = this; | 8 var global = this; |
11 | 9 |
12 | |
13 (function TestGlobalReceiver() { | 10 (function TestGlobalReceiver() { |
14 class A { | 11 class A { |
15 s() { | 12 s(value) { |
16 super.bla = 10; | 13 super.bla = value; |
17 } | 14 } |
18 } | 15 } |
19 new A().s.call(global); | 16 var a = new A(); |
| 17 a.s(9); |
| 18 assertEquals(undefined, global.bla); |
| 19 assertEquals(9, a.bla); |
| 20 |
| 21 a = new A(); |
| 22 a.s.call(global, 10); |
20 assertEquals(10, global.bla); | 23 assertEquals(10, global.bla); |
| 24 assertEquals(undefined, a.bla); |
21 })(); | 25 })(); |
22 | 26 |
23 | 27 |
24 (function TestProxyProto() { | 28 (function TestProxyProto() { |
25 var calls = 0; | 29 var calls = 0; |
26 var handler = { | 30 var handler = { |
27 getPropertyDescriptor: function(name) { | 31 set(t, p, v, r) { |
28 calls++; | 32 calls++; |
| 33 return Reflect.set(t, p, v, r); |
| 34 }, |
| 35 getPropertyDescriptor(target, name) { |
| 36 calls += 10; |
29 return undefined; | 37 return undefined; |
30 } | 38 } |
31 }; | 39 }; |
32 | |
33 var target = {}; | 40 var target = {}; |
34 var proxy = new Proxy(target, handler); | 41 var proxy = new Proxy(target, handler); |
35 var object = { | 42 var object = { |
36 __proto__: proxy, | 43 __proto__: proxy, |
37 setX(v) { | 44 setX(v) { |
38 super.x = v; | 45 super.x = v; |
39 }, | 46 }, |
40 setSymbol(sym, v) { | 47 setSymbol(sym, v) { |
41 super[sym] = v; | 48 super[sym] = v; |
42 } | 49 } |
43 }; | 50 }; |
44 | 51 |
45 object.setX(1); | 52 object.setX(1); |
| 53 assertEquals(1, object.x); |
| 54 assertEquals(1, Object.getOwnPropertyDescriptor(object, 'x').value); |
| 55 assertEquals(1, calls); |
| 56 |
| 57 calls = 0; |
| 58 object.setX.call(proxy, 2); |
| 59 assertEquals(2, target.x); |
46 assertEquals(1, Object.getOwnPropertyDescriptor(object, 'x').value); | 60 assertEquals(1, Object.getOwnPropertyDescriptor(object, 'x').value); |
47 assertEquals(1, calls); | 61 assertEquals(1, calls); |
48 | 62 |
49 var sym = Symbol(); | 63 var sym = Symbol(); |
| 64 calls = 0; |
50 object.setSymbol.call(global, sym, 2); | 65 object.setSymbol.call(global, sym, 2); |
51 assertEquals(2, Object.getOwnPropertyDescriptor(global, sym).value); | 66 assertEquals(2, Object.getOwnPropertyDescriptor(global, sym).value); |
52 // We currently do not invoke proxy traps for symbols | 67 // We currently do not invoke proxy traps for symbols |
53 assertEquals(1, calls); | 68 assertEquals(1, calls); |
54 })(); | 69 }); |
55 | 70 |
56 | 71 |
57 (function TestProxyReceiver() { | 72 (function TestProxyReceiver() { |
58 var object = { | 73 var object = { |
59 setY(v) { | 74 setY(v) { |
60 super.y = v; | 75 super.y = v; |
61 } | 76 } |
62 }; | 77 }; |
63 | 78 |
64 var calls = 0; | 79 var calls = 0; |
| 80 var target = {target:1}; |
65 var handler = { | 81 var handler = { |
66 getPropertyDescriptor(name) { | 82 getOwnPropertyDescriptor(t, name) { |
| 83 calls++; |
| 84 }, |
| 85 defineProperty(t, name, desc) { |
| 86 calls += 10; |
| 87 t[name] = desc.value; |
| 88 return true; |
| 89 }, |
| 90 set(target, name, value) { |
67 assertUnreachable(); | 91 assertUnreachable(); |
68 }, | |
69 set(receiver, name, value) { | |
70 calls++; | |
71 assertEquals(proxy, receiver); | |
72 assertEquals('y', name); | |
73 assertEquals(3, value); | |
74 } | 92 } |
75 }; | 93 }; |
| 94 var proxy = new Proxy(target, handler); |
76 | 95 |
77 var proxy = new Proxy({}, handler); | 96 assertEquals(undefined, object.y); |
| 97 object.setY(10); |
| 98 assertEquals(10, object.y); |
| 99 |
| 100 // Change the receiver to the proxy, but the set is called on the global. |
78 object.setY.call(proxy, 3); | 101 object.setY.call(proxy, 3); |
79 assertEquals(1, calls); | 102 assertEquals(3, target.y); |
| 103 assertEquals(11, calls); |
80 })(); | 104 })(); |
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