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// Copyright 2023 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-symbol-as-weakmap-key --expose-gc --noincremental-marking
(async function () {
let cleanUpCalled = false;
const fg = new FinalizationRegistry((target) => {
assertEquals('123', target);
cleanUpCalled = true;
});
(function () {
const innerKey = Symbol('123');
fg.register(innerKey, '123');
})();
// We need to invoke GC asynchronously and wait for it to finish, so that
// it doesn't need to scan the stack. Otherwise, the objects may not be
// reclaimed because of conservative stack scanning and the test may not
// work as intended.
await gc({ type: 'major', execution: 'async' });
assertFalse(cleanUpCalled);
// Check that cleanup callback was called in a follow up task.
setTimeout(() => { assertTrue(cleanUpCalled); }, 0);
})();
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