function it_builds_a_petrinet(FactoryInterface $factory, PetrinetInterface $petrinet, PlaceInterface $placeOne, PlaceInterface $placeTwo, TransitionInterface $transitionOne, TransitionInterface $transitionTwo)
 {
     $factory->createPetrinet()->willReturn($petrinet);
     $factory->createPlace()->willReturn($placeOne, $placeTwo);
     $factory->createTransition()->willReturn($transitionOne, $transitionTwo);
     $petrinet->setTransitions(array($transitionOne, $transitionTwo))->shouldBeCalled();
     $petrinet->setPlaces(array($placeOne, $placeTwo))->shouldBeCalled();
     $this->beConstructedWith($factory);
     $this->place();
     $this->place();
     $this->transition();
     $this->transition();
     $this->getPetrinet()->shouldReturn($petrinet);
 }
 /**
  * Creates a place.
  *
  * @return \Petrinet\Model\PlaceInterface
  */
 public function place()
 {
     $place = $this->factory->createPlace();
     $this->places[] = $place;
     return $place;
 }