Files
sdk/tests/language/mixin/interface_check_test.dart
T
Robert Nystrom 1c24e58896 Format tests/language/m*.
Change-Id: I325ac267e5d1d1beb882e7cf08bbd7bfb99138ca
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/408980
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Lasse Nielsen <lrn@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
2025-02-11 00:23:41 -08:00

28 lines
630 B
Dart

// Copyright (c) 2018, 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.
class Thing {}
class SubThing extends Thing {
void sub() {}
}
class A {
Thing get thing => new Thing();
}
mixin B implements A {
@override
SubThing get thing;
}
class C extends A with B {}
// ^
// [analyzer] COMPILE_TIME_ERROR.INVALID_IMPLEMENTATION_OVERRIDE
// [cfe] The implementation of 'thing' in the non-abstract class 'C' does not conform to its interface.
main() {
new C().thing.sub();
}