blob: a29c9cbca65f47c1e99e07e37b317674c332cf6e [file] [log] [blame]
// Copyright (c) 2012, 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.
// Check fail because of cycles in super class relationship.
// @dart = 2.9
import "package:expect/expect.dart";
class Foo implements Bar {}
class C {}
class Bar
extends Foo // //# 00: compile-time error
implements Foo // //# 01: compile-time error
{}
class ImplementsC implements C
, C // //# 02: compile-time error
{}
// Spec says: It is a compile-time error if the superclass
// of a class C appears in the implements clause of C.
class ExtendsC extends C
implements C // //# 03: compile-time error
{}
main() {
Expect.isTrue(new Foo() is Foo);
Expect.isTrue(new ImplementsC() is C);
Expect.isTrue(new ExtendsC() is C);
}