dart-sdk/tests/language/mixin_legacy/mixin_test.dart
Jake Macdonald 2fc9ea5ad7 copy language/mixin tests to language/mixin_legacy with 2.19 opt out
Change-Id: Ice509ea1f0efec8153fb2380ab0e980fed552b0e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/289580
Reviewed-by: Leaf Petersen <leafp@google.com>
Commit-Queue: Jake Macdonald <jakemac@google.com>
2023-03-20 17:29:31 +00:00

27 lines
523 B
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.
// @dart=2.19
import "package:expect/expect.dart";
class M1 {
foo() => 42;
}
class M2 = Object with M1;
class S {}
class C = S with M2;
main() {
var c = new C();
Expect.isTrue(c is S);
Expect.isTrue(c is M1);
Expect.isTrue(c is M2);
Expect.isTrue(c is C);
Expect.equals(42, c.foo());
}