blob: ebecca0725d98d090ef7b55e1513e1b97a65d552 (
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
42
43
44
45
46
47
48
49
50
51
52
|
// |reftest| skip-if(!this.hasOwnProperty('FinalizationRegistry')) async -- FinalizationRegistry is not enabled unconditionally
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-properties-of-the-finalization-registry-constructor
description: >
The cleanupSome() method can be reentered
info: |
FinalizationRegistry.prototype.cleanupSome ( [ callback ] )
features: [FinalizationRegistry.prototype.cleanupSome, FinalizationRegistry, host-gc-required]
includes: [async-gc.js]
flags: [async, non-deterministic]
---*/
var called = 0;
var endOfCall = 0;
var finalizationRegistry = new FinalizationRegistry(function() {});
function callback(holding) {
called += 1;
if (called === 1) {
// Atempt to re-enter the callback.
var nestedCallbackRan = false;
finalizationRegistry.cleanupSome(() => { nestedCallbackRan = true });
assert.sameValue(nestedCallbackRan, true);
}
endOfCall += 1;
}
function emptyCells() {
var o1 = {};
var o2 = {};
// Register more than one objects to test reentrancy.
finalizationRegistry.register(o1, 'holdings 1');
finalizationRegistry.register(o2, 'holdings 2');
var prom = asyncGC(o1);
o1 = null;
return prom;
}
emptyCells().then(function() {
finalizationRegistry.cleanupSome(callback);
assert.sameValue(called, 1, 'callback was called');
assert.sameValue(endOfCall, 1, 'callback finished');
}).then($DONE, resolveAsyncGC);
|
