d59db06bf5
Bug: v8:8179 Change-Id: I7f699073807d1874d0c10a4f1641de6bfb0efe6f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2741582 Commit-Queue: Shu-yu Guo <syg@chromium.org> Reviewed-by: Shu-yu Guo <syg@chromium.org> Reviewed-by: Adam Klein <adamk@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#73871}
41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
// Copyright 2018 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: --expose-gc --noincremental-marking
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let cleanup_call_count = 0;
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let cleanup_holdings_count = 0;
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let cleanup = function(holdings) {
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++cleanup_holdings_count;
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++cleanup_call_count;
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}
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let fg1 = new FinalizationRegistry(cleanup);
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let fg2 = new FinalizationRegistry(cleanup);
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// Create two objects and register them in FinalizationRegistries. The objects need
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// to be inside a closure so that we can reliably kill them!
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(function() {
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let object1 = {};
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fg1.register(object1, "holdings1");
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let object2 = {};
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fg2.register(object2, "holdings2");
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// object1 and object2 go out of scope.
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})();
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// This GC will discover dirty WeakCells and schedule cleanup.
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gc();
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assertEquals(0, cleanup_call_count);
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// Assert that the cleanup function was called.
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let timeout_func = function() {
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assertEquals(2, cleanup_call_count);
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assertEquals(2, cleanup_holdings_count);
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}
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setTimeout(timeout_func, 0);
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