blob: cdced3fca5dd8e2ca27cb3c93cc766ed0225bc88 [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-with-cleanup-some --expose-gc --noincremental-marking
let cleanup_count = 0;
let cleanup_holdings = [];
let cleanup = function(holdings) {
cleanup_holdings.push(holdings);
++cleanup_count;
}
let fg = new FinalizationRegistry(cleanup);
let key = {"k": "this is the key"};
(function() {
let o = {};
weak_cell = fg.register(o, "holdings", key);
// cleanupSome won't do anything since there are no reclaimed targets.
fg.cleanupSome();
assertEquals(0, cleanup_count);
// Keep o alive to the end of the function, so that --stress-opt mode
// is robust towards --gc-interval timing.
return o;
})();
// GC will detect the WeakCell as dirty.
gc();
// Unregister the tracked object just before calling cleanupSome.
fg.unregister(key);
fg.cleanupSome();
assertEquals(0, cleanup_count);