| // 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 generic function with nullable type parameter is |
| /// exported from opted-in library to legacy library and then back to the opted |
| /// in code, it retains its status and so can accept [Null] as a type parameter. |
| /// @Issue 40399 |
| /// @author iarkh@unipro.ru |
| |
| // Requirements=nnbd-weak |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| import "exports_A01_opted_out_lib.dart"; |
| |
| main() { |
| Expect.isTrue(testGenericDynamic is void Function<T extends dynamic>()); |
| Expect.runtimeIsType<void Function<T extends dynamic>()>(testGenericDynamic); |
| testGenericDynamic<Null>(); |
| |
| Expect.isTrue(testGenericNullableInt is void Function<T extends int?>()); |
| Expect.runtimeIsType<void Function<T extends int?>()>(testGenericNullableInt); |
| testGenericNullableInt<Null>(); |
| |
| Expect.isTrue(testGenericNullableFunction is void Function<T extends Function?>()); |
| Expect.runtimeIsType<void Function<T extends Function?>()>(testGenericNullableFunction); |
| testGenericNullableFunction<Null>(); |
| |
| Expect.isTrue(testGenericNullableObject is void Function<T extends Object?>()); |
| Expect.runtimeIsType<void Function<T extends Object?>()>(testGenericNullableObject); |
| testGenericNullableObject<Null>(); |
| |
| Expect.isTrue(testGenericNull is void Function<T extends Null>()); |
| Expect.runtimeIsType<void Function<T extends Null>()>(testGenericNull); |
| testGenericNull<Null>(); |
| testGenericNull(); |
| |
| Expect.isTrue(testGenericFutureOr is void Function<T extends FutureOr>()); |
| Expect.runtimeIsType<void Function<T extends FutureOr>()>(testGenericFutureOr); |
| testGenericFutureOr<Null>(); |
| } |