dart-sdk/tests/language/extension_type/combined_member_signature_test.dart
Lasse R.H. Nielsen 9d933d1281 Retire 3.3 experiments in the 3.4 release.
Tested: No new tests.
Change-Id: Idf19ce8b6743b221841e6cef6b2a80e8ab37860e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/354260
Auto-Submit: Lasse Nielsen <lrn@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Lasse Nielsen <lrn@google.com>
2024-03-04 16:09:31 +00:00

44 lines
1.1 KiB
Dart

// Copyright (c) 2023, 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.
import 'package:expect/expect.dart';
abstract class A {
(Object?, dynamic) method();
(Object?, dynamic) get getter;
void set setter((int, int) Function(Object?, dynamic) f);
}
abstract class B {
(dynamic, Object?) method();
(dynamic, Object?) get getter;
void set setter((int, int) Function(dynamic, Object?) f);
}
class C implements A, B {
(int, int) method() => (42, 87);
(int, int) get getter => (42, 87);
void set setter((int, int) Function(dynamic, dynamic) f) {}
}
extension type E(C c) implements A, B {}
void method(E e) {
var (a, b) = e.method();
Expect.equals(42, a);
Expect.equals(87, b);
var (c, d) = e.getter;
Expect.equals(42, c);
Expect.equals(87, d);
e.setter = (dynamic a, dynamic b) => (42, 87);
var f = e.method;
var (g, h) = f();
Expect.equals(42, g);
Expect.equals(87, h);
}
main() {
method(E(C()));
}