// 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 a compile error is produced when assigning the
/// result of invoking factory constructor M to the variable whose type is not
/// assignable to M.
/// @author iefremov


class A {
  factory A() = C;
}

class C implements A {
}

main() {
  int a = A();
//        ^
// [analyzer] unspecified
// [cfe] unspecified
}
