| // Copyright (c) 2020, 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 an unmigrated library re-exports a migrated library, the |
| /// re-exported symbols retain their migrated status (that is, downstream |
| /// migrated libraries will see their migrated types). |
| /// @description Check that if function with nullable argument is exported from |
| /// opted-in library to legacy library and then back to the opted in code, it |
| /// retains its status and can accept [null] arguments. |
| /// @author iarkh@unipro.ru |
| |
| // Requirements=nnbd-weak |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| import "exports_A01_opted_out_lib.dart"; |
| |
| main() { |
| Expect.isTrue(test_nullable_int_arg is void Function(int?)); |
| Expect.runtimeIsType<void Function(int?)>(test_nullable_int_arg); |
| test_nullable_int_arg(null); |
| |
| Expect.isTrue(test_nullable_object_arg is void Function(Object?)); |
| Expect.runtimeIsType<void Function(Object?)>(test_nullable_object_arg); |
| test_nullable_object_arg(null); |
| |
| Expect.isTrue(test_null_arg is void Function(Null)); |
| Expect.runtimeIsType<void Function(Null)>(test_null_arg); |
| test_null_arg(null); |
| |
| Expect.isTrue(test_futureOr_arg is void Function(FutureOr)); |
| Expect.runtimeIsType<void Function(FutureOr)>(test_futureOr_arg); |
| test_futureOr_arg(null); |
| } |