// Copyright (c) 2011, 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 The return type of a factory whose signature is of the
/// form factory M or the form factory M.id is M if M is not a generic type;
/// otherwise the return type is M <T1, …, Tn>, where T1, …, Tn are the type
/// parameters of the enclosing class.
/// @description Checks that result of invoking factory constructor of the form
/// M or M.id can be assigned to the variables whose types are assignable to M
/// and no static warnings are produced.
/// @author iefremov


class S {}

class A extends S {
  A.g() {}
  factory A() = D;
  factory A.bcd() = D;
}

class D extends A {
  D() : super.g();
}

main() {
  A a = new A();
  S s = new A();
  var d = new A();

  a = new A.bcd();
  s = new A.bcd();
  d = new A.bcd();
}
