// 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 assigning the result of invoking a factory
/// constructor to a variable whose type is assignable to M<T1,...,Tn> does not
/// result in a static warning.
/// @author rodionov


class S1 {}
class S2 extends S1 {}
class S3 extends S2 {}

abstract class I<T, U, V> {
  factory I() {return new M<T, U, V>();}
}

class M<T, U, V> implements I<T, U, V> {
}

typedef f();

main() {
  I<S2, num, Function> m1 = new I<S3, int, f>();
}