public void IterateOver_ThreeEntitiesTwoBlueprints()
{
var entityManager = new EntityManager();
var entity = entityManager.CreateEntity(typeof(Position), typeof(Velocity));
var entity2 = entityManager.CreateEntity(typeof(Position));
var entity3 = entityManager.CreateEntity(typeof(Position), typeof(Velocity));
var blueprint = entityManager.GetBlueprint(typeof(Position), typeof(Velocity));
var blueprint2 = entityManager.GetBlueprint(typeof(Position));
entityManager.GetComponent <Position>(entity).Value = Vector3.UnitX;
entityManager.GetComponent <Position>(entity2).Value = Vector3.UnitY;
entityManager.GetComponent <Position>(entity3).Value = Vector3.UnitZ;
var queryResult = new QueryResult();
queryResult.AddBlueprint(blueprint2);
queryResult.AddBlueprint(blueprint);
var i = 0;
foreach (ref readonly var idx in queryResult)
{
++i;
}
i.Should().Be(3);
}