| // 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 The value and detach arguments ... Both must be objects supported |
| /// as an [Expando] key. |
| /// |
| /// @description Checks that [value] must be supported as an [Expando] key. |
| /// Test [Null]. |
| /// @author iarkh@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| |
| final Finalizer finalizer = Finalizer((_) { throw "Should not reach here"; }); |
| |
| main() { |
| dynamic d = null; |
| Expect.throws(() { |
| finalizer.attach(d, "Finalization token"); |
| }); |
| } |
