blob: a1744ead9a3aa16a48d28bd89c700a2c128cbe40 (
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 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-gc --noincremental-marking --no-concurrent-recompilation
(async function () {
let cleanup_called = false;
function cleanup(holdings) {
cleanup_called = true;
};
let task_1_gc = (async function () {
const fg = new FinalizationRegistry(cleanup);
(function () {
let x = {};
fg.register(x, "holdings");
x = null;
})();
// Schedule fg for cleanup.
await gc({ type: 'major', execution: 'async' });
assertFalse(cleanup_called);
})();
// Schedule a task to collect fg, which should result in cleanup not called.
let task_2_gc = (async function () {
await gc({ type: 'major', execution: 'async' });
assertFalse(cleanup_called);
})();
// Wait for the two GC tasks to be executed.
await task_1_gc;
await task_2_gc;
// Check that the cleanup will not be called.
setTimeout(function () { assertFalse(cleanup_called); }, 0);
})();
|
