public void StackSystemTest()
{
var em = new EntityManager();
var entity = em.CreateEntity();
var inventory = new Inventory();
entity.AddComponent(inventory);
var itemEntity = em.CreateEntity();
var itemComponent = new Item()
{
Type = "widget"
};
itemEntity.AddComponent <Stackable>();
itemEntity.AddComponent(itemComponent);
inventory.Items.Add(itemEntity);
itemEntity = em.CreateEntity();
itemEntity.AddComponent(itemComponent);
itemEntity.AddComponent <Stackable>();
inventory.Items.Add(itemEntity);
var stackSystem = new StackSystem(_mockEngine);
var stacks = stackSystem.GetStacks(entity);
Assert.AreEqual(2, stacks["widget"]);
}
