// 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 Let C be a concrete class that does not declare its own
/// noSuchMethod().
/// It is a compile error if the implicit interface
/// of C includes an instance member m of type F and C does not declare or
/// inherit a corresponding instance member m of type F' such that F' <: F.
/// @description Checks that there are no warnings if a class declares
/// its own noSuchMethod() and does not declare nor inherit an instance
/// method declared in class interface. Test type alias
/// @author sgrekhov@unipro.ru

abstract class I {
  foo();
}

typedef IAlias = I;

class C implements IAlias {
  noSuchMethod(Invocation i) {}
}

main () {
  new C();
}