blob: 47cf9630ec4ea3460be824c137e43af68dccdb70 [file] [log] [blame]
// Copyright (c) 2019, 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.
/// @assertion An interface I inherits any members of its superinterfaces that
/// are not overridden by members declared in I.
/// @description Checks that there're no static warnings produced when
/// attempting to access the inherited non-static members of a null variable
/// whose static type is an interface extending another interface that declares
/// those members. This should indirectly prove that they're indeed inherited
/// by the subinterface. Test type aliases
/// @author
import '../../../../Utils/expect.dart';
abstract class I {
void m();
int get gett0r;
void set sett0r(int v);
I operator+(int i);
typedef IAlias = I;
abstract class C implements IAlias {
main() {
C? c = null;
c?.sett0r = 1;
Expect.throws(() {(c as C) + 1;});