| // 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 [null] variable in opted-in library is exported to |
| /// legacy library and then back to the opted in code, it retains its status and |
| /// still its value is [null]. |
| /// @author iarkh@unipro.ru |
| |
| // Requirements=nnbd-weak |
| |
| import "../../../Utils/expect.dart"; |
| import "exports_A01_opted_out_lib.dart"; |
| |
| main() { |
| Expect.isNull(nullable_i2); |
| Expect.isNull(nullable_o2); |
| Expect.isNull(d2); |
| Expect.isNull(f2); |
| Expect.isNull(n2); |
| Expect.isNull(fo2); |
| Expect.isNull(fofo2); |
| |
| nullable_i2 = 1; |
| Expect.equals(1, nullable_i2); |
| nullable_o2 = 1; |
| Expect.equals(1, nullable_o2); |
| d2 = 1; |
| Expect.equals(1, d2); |
| f2 = testme; |
| Expect.equals(testme, f2); |
| fo2 = 1; |
| Expect.equals(1, fo2); |
| fofo2 = 1; |
| Expect.equals(1, fofo2); |
| } |