| // 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 non-null variable of nullable type from opted-in |
| /// library is exported to legacy library and then back to the opted in code, it |
| /// retains its status and so can be assigned to [null]. |
| /// @author iarkh@unipro.ru |
| |
| // Requirements=nnbd-weak |
| |
| import "../../../Utils/expect.dart"; |
| import "exports_A01_opted_out_lib.dart"; |
| |
| main() { |
| nullable_i3 = null; |
| Expect.isNull(nullable_i3); |
| nullable_o3 = null; |
| Expect.isNull(nullable_o3); |
| d3 = null; |
| Expect.isNull(d3); |
| f3 = null; |
| Expect.isNull(f3); |
| fo3 = null; |
| Expect.isNull(fo3); |
| fofo3 = null; |
| Expect.isNull(fofo3); |
| } |