blob: 8497f3ee49b0b102fc50af3c095dbad3ddfb433c [file] [log] [blame]
// 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 which returns nullable is exported from
/// opted-in library to legacy library and then back to the opted in code, it
/// retains its status and so can return [null].
/// @author
// Requirements=nnbd-weak
import "dart:async";
import "../../../Utils/expect.dart";
import "exports_A01_opted_out_lib.dart";
main() {
Expect.isTrue(getNullableInt is int? Function());
Expect.runtimeIsType<int? Function()>(getNullableInt);
Expect.isTrue(getNullableObject is Object? Function());
Expect.runtimeIsType<Object? Function()>(getNullableObject);
Expect.isTrue(getDynamic is dynamic Function());
Expect.runtimeIsType<dynamic Function()>(getDynamic);
Expect.isTrue(getNullableFunction is Function? Function());
Expect.runtimeIsType<Function? Function()>(getNullableFunction);
Expect.isTrue(getNull is Null Function());
Expect.runtimeIsType<Null Function()>(getNull);
Expect.isTrue(getFutureOr is FutureOr Function());
Expect.runtimeIsType<FutureOr Function()>(getFutureOr);