blob: 04a5aeafcf78e4f8b1453dd7578b22f3b7f6eaca [file] [log] [blame]
// Copyright 2018 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: --harmony-weak-refs --expose-gc --noincremental-marking
load("./resources/v8-mjsunit.js", "caller relative");
let Realm = { create: $.createRealm, eval: (r, s) => $.evalScript.call(r, s) };
let r = Realm.create();
let cleanup = Realm.eval(r, "var stored_global; function cleanup() { stored_global = globalThis; } cleanup;");
let realm_global_this = Realm.eval(r, "globalThis");
let fg = new FinalizationRegistry(cleanup);
// Create an object and a register it in the FinalizationRegistry. The object needs
// to be inside a closure so that we can reliably kill them!
(function() {
for (let i = 0; i < 1000; ++i) {
let object = {};
fg.register(object);
}
})();
gc();
// Assert that the cleanup function was called in its Realm.
let timeout_func = function() {
let stored_global = Realm.eval(r, "stored_global;");
assertNotEquals(stored_global, globalThis);
assertEquals(stored_global, realm_global_this);
}
setTimeout(timeout_func, 0);