1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-proxy-object-internal-methods-and-internal-slots-set-p-v-receiver
description: >
Ordinary [[Set]] forwards call to Proxy "set" trap with correct arguments.
Property name is "__proto__".
info: |
OrdinarySet ( O, P, V, Receiver )
...
3. Return OrdinarySetWithOwnDescriptor(O, P, V, Receiver, ownDesc).
OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc )
...
2. If ownDesc is undefined, then
a. Let parent be ? O.[[GetPrototypeOf]]().
b. If parent is not null, then
i. Return ? parent.[[Set]](P, V, Receiver).
[[Set]] ( P, V, Receiver )
...
8. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, P, V, Receiver »)).
...
12. Return true.
includes: [proxyTrapsHelper.js]
features: [Proxy, __proto__]
---*/
var _handler, _target, _prop, _value, _receiver;
var target = {};
var handler = allowProxyTraps({
set: function(target, prop, value, receiver) {
_handler = this;
_target = target;
_prop = prop;
_value = value;
_receiver = receiver;
return true;
},
});
var proxy = new Proxy(target, handler);
var receiver = Object.create(proxy);
var prop = '__proto__';
var value = {};
receiver[prop] = value;
assert.sameValue(_handler, handler, 'handler object is the trap context');
assert.sameValue(_target, target, 'first argument is the target object');
assert.sameValue(_prop, prop, 'second argument is the property name');
assert.sameValue(_value, value, 'third argument is the new value');
assert.sameValue(_receiver, receiver, 'fourth argument is the receiver object');
reportCompare(0, 0);
|
