tests/language_strong/default_factory_test.dart

// Copyright (c) 2012, 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.

import "package:expect/expect.dart";

// Dart test program for testing default factories.

abstract class Vehicle {
  factory Vehicle() = GoogleOne.Vehicle; /// 01: static type warning
}


class Bike implements Vehicle, GoogleOne {
  Bike.redOne() {}
}


abstract class SpaceShip {
  factory SpaceShip() = GoogleOne;
}


class GoogleOne implements SpaceShip {
  GoogleOne.internal_() {}
  factory GoogleOne() { return new GoogleOne.internal_(); }
  factory GoogleOne.Vehicle() { return new Bike.redOne(); }
}


main() {
  Expect.equals(true, (new Bike.redOne()) is Bike);
  Expect.equals(true, (new SpaceShip()) is GoogleOne);
  Expect.equals(true, (new Vehicle()) is Bike); /// 01: continued
}