public void Has_no_game_objects()
{
var gameObjects = InMemoryGameObjects.Empty();
var entity = new Guid("39de7404-4ac8-427a-9943-7a215ddc470b");
Assert.IsNull(gameObjects.GameObjectForEntity(entity));
}
public void Does_not_support_a_null_dictionary()
{
Dictionary <Guid, GameObject> initialGameObjects = null;
Assert.Throws <ArgumentNullException>(() =>
{
InMemoryGameObjects.From(initialGameObjects);
});
}
public void That_does_not_have_one_returns_the_empty_guid()
{
var gameObjects = InMemoryGameObjects.Empty();
var gameObject = new GameObject();
var entity = gameObjects.EntityForGameObject(gameObject);
Assert.AreEqual(
Guid.Empty,
entity);
}
public void Does_not_support_a_null_game_object()
{
var gameObjects = InMemoryGameObjects.Empty();
GameObject gameObject = null;
Assert.Throws <ArgumentNullException>(() =>
{
gameObjects.EntityForGameObject(gameObject);
});
}
public void Does_not_support_a_null_game_object()
{
var entity = new Guid("166db526-42e6-4fdb-b4c3-212b5efed10e");
GameObject gameObject = null;
var gameObjects = InMemoryGameObjects.Empty();
Assert.Throws <ArgumentNullException>(() =>
{
gameObjects.AddGameObjectForEntity(
gameObject,
entity);
});
}
public void Includes_the_game_objects_in_that_dictionary()
{
var entity = new Guid("9713e6be-f68d-45af-856d-47d6229eff79");
var gameObject = new GameObject();
var initialGameObjects = new Dictionary <Guid, GameObject>
{
{ entity, gameObject }
};
var gameObjects = InMemoryGameObjects.From(initialGameObjects);
Assert.AreEqual(
gameObject,
gameObjects.GameObjectForEntity(entity));
}
public void That_does_not_have_one_uses_that_game_object_for_that_entity()
{
var entity = new Guid("166db526-42e6-4fdb-b4c3-212b5efed10e");
var gameObject = new GameObject();
var gameObjects = InMemoryGameObjects.Empty();
Assert.IsNull(gameObjects.GameObjectForEntity(entity));
gameObjects.AddGameObjectForEntity(
gameObject,
entity);
Assert.AreEqual(
gameObject,
gameObjects.GameObjectForEntity(entity));
Assert.AreEqual(
entity,
gameObjects.EntityForGameObject(gameObject));
}
public void That_is_already_used_by_an_entity_is_not_supported()
{
var initialEntity =
new Guid("166db526-42e6-4fdb-b4c3-212b5efed10e");
var initialGameObject = new GameObject();
var initialGameObjects = new Dictionary <Guid, GameObject>
{
{ initialEntity, initialGameObject }
};
var gameObjects =
InMemoryGameObjects.From(initialGameObjects);
var newEntity =
new Guid("6eb2d86d-42bc-47ce-a161-a8ad28067bb2");
Assert.Throws <InvalidOperationException>(() =>
{
gameObjects.AddGameObjectForEntity(
initialGameObject,
newEntity);
});
}