ff89c6bc6f
The deprecated legacy FinalizationGroup APIs are left unchanged for compat. Bug: v8:8179 Change-Id: I9bdcaa92360db318c96fc8524c04163ece25118e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2071236 Commit-Queue: Shu-yu Guo <syg@chromium.org> Reviewed-by: Adam Klein <adamk@chromium.org> Cr-Commit-Position: refs/heads/master@{#66437}
39 lines
827 B
JavaScript
39 lines
827 B
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-weak-refs --expose-gc --noincremental-marking
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let cleanedUp = false;
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let r = Realm.create();
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let FG = Realm.eval(r, "FinalizationRegistry");
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Realm.detachGlobal(r);
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let fg_not_run = new FG(() => {
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assertUnreachable();
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});
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(() => {
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fg_not_run.register({});
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})();
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gc();
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// Disposing the realm cancels the already scheduled fg_not_run's finalizer.
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Realm.dispose(r);
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let fg = new FG(()=> {
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cleanedUp = true;
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});
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// FGs that are alive after disposal can still schedule tasks.
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(() => {
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let object = {};
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fg.register(object, {});
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// object becomes unreachable.
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})();
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gc();
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setTimeout(function() { assertTrue(cleanedUp); }, 0);
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