blob: 53fdf04bc0c073c010521a877ac3629bb1d8dc4d (
plain)
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
|
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.filter
description: Species constructor of a Proxy object whose target is an array
info: |
[...]
5. Let A be ? ArraySpeciesCreate(O, 0).
[...]
9. Return A.
9.4.2.3 ArraySpeciesCreate
[...]
3. Let isArray be ? IsArray(originalArray).
7.2.2 IsArray
[...]
3. If argument is a Proxy exotic object, then
a. If the value of the [[ProxyHandler]] internal slot of argument is
null, throw a TypeError exception.
b. Let target be the value of the [[ProxyTarget]] internal slot of
argument.
c. Return ? IsArray(target).
features: [Proxy, Symbol.species]
---*/
var array = [];
var proxy = new Proxy(new Proxy(array, {}), {});
var Ctor = function() {};
var result;
array.constructor = function() {};
array.constructor[Symbol.species] = Ctor;
result = Array.prototype.filter.call(proxy, function() {});
assert.sameValue(Object.getPrototypeOf(result), Ctor.prototype);
reportCompare(0, 0);
|