dart-sdk/tests/language_2/mixin_supertype_subclass2_test.dart
pq d9326f4ab3 Migrate test block 135 to Dart 2.0.
Bug:
Change-Id: Icda59de9bfad2e9b2683f019fb9c6fc54c12547c
Reviewed-on: https://dart-review.googlesource.com/7587
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2017-09-22 17:04:06 +00:00

37 lines
851 B
Dart

// Copyright (c) 2016, 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.
// SharedOptions=--supermixin
// Validate the following test from section 12 ("Mixins") of the spec:
//
// "Let M_A be a mixin derived from a class M with direct superclass
// S_static.
//
// Let A be an application of M_A. It is a static warning if the
// superclass of A is not a subtype of S_static."
class B {}
class C {}
class D {}
class E extends B with C implements D {}
class F extends E {}
class A extends E with M {}
class M
extends B //# 01: ok
extends C //# 02: static type warning
extends D //# 03: ok
extends E //# 04: ok
extends F //# 05: static type warning
{}
main() {
new A();
}