public void should_correctly_handle_systems()
{
var observableGroupManager = Substitute.For <IObservableGroupManager>();
var threadHandler = Substitute.For <IThreadHandler>();
var observableScheduler = Substitute.For <IUpdateScheduler>();
var reactToEntitySystemHandler = new BasicEntitySystemHandler(observableGroupManager, threadHandler, observableScheduler);
var fakeMatchingSystem = Substitute.For <IBasicEntitySystem>();
var fakeNonMatchingSystem1 = Substitute.For <IManualSystem>();
var fakeNonMatchingSystem2 = Substitute.For <IGroupSystem>();
Assert.True(reactToEntitySystemHandler.CanHandleSystem(fakeMatchingSystem));
Assert.False(reactToEntitySystemHandler.CanHandleSystem(fakeNonMatchingSystem1));
Assert.False(reactToEntitySystemHandler.CanHandleSystem(fakeNonMatchingSystem2));
}
