public void TestHotReload()
{
_maps.CreateNewMapEntity(new MapId(0));
var entity = _entities.SpawnEntity(DummyId, MapCoordinates.Nullspace);
var entityComponent = entity.GetComponent <HotReloadTestComponentOne>();
Assert.That(entityComponent.Value, Is.EqualTo(5));
Assert.False(entity.HasComponent <HotReloadTestComponentTwo>());
var reloaded = false;
_prototypes.PrototypesReloaded += _ => reloaded = true;
_prototypes.ReloadPrototypes(new List <IPrototype>());
Assert.True(reloaded);
reloaded = false;
Assert.That(entityComponent.Value, Is.EqualTo(5));
Assert.False(entity.HasComponent <HotReloadTestComponentTwo>());
var changedPrototypes = _prototypes.LoadString(ReloadedPrototypes, true);
_prototypes.ReloadPrototypes(changedPrototypes);
Assert.True(reloaded);
reloaded = false;
// Existing component values are not modified in the current implementation
Assert.That(entityComponent.Value, Is.EqualTo(5));
// New components are added
Assert.True(entity.HasComponent <HotReloadTestComponentTwo>());
changedPrototypes = _prototypes.LoadString(InitialPrototypes, true);
_prototypes.ReloadPrototypes(changedPrototypes);
Assert.True(reloaded);
reloaded = false;
// Existing component values are not modified in the current implementation
Assert.That(entityComponent.Value, Is.EqualTo(5));
// Old components are removed
Assert.False(entity.HasComponent <HotReloadTestComponentTwo>());
}