| // Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion If a non-null detach value is provided, that object can be passed |
| /// to Finalizer.detach to remove the attachment again. |
| /// |
| /// @description Checks that if detach token was passed to [attach], given |
| /// object can be detached from the finalizer using [detach]. |
| /// @author iarkh@unipro.ru |
| |
| import '../../gc_utils_lib.dart'; |
| import '../../../../Utils/expect.dart'; |
| |
| class A {} |
| |
| int called = 0; |
| final Finalizer finalizer = Finalizer((_) { |
| called++; |
| }); |
| |
| @pragma('vm:never-inline') |
| void attachAndDetach() { |
| A detachToken = A(); |
| Object value = Object(); |
| finalizer.attach(value, "Finalization token", detach: detachToken); |
| finalizer.detach(detachToken); |
| } |
| |
| main() async { |
| attachAndDetach(); |
| |
| await triggerGcWithDelay(); |
| triggerGc(); |
| await triggerGcWithDelay(); |
| triggerGcWithDelay(); |
| triggerGcWithDelay(); |
| await Future.delayed(Duration(milliseconds: 10)); |
| |
| Expect.equals(0, called); |
| } |