public void TestSystemUpdate()
{
world = CreateWorld();
SystemU u = new SystemU();
world.AddSystem(u);
world.UpdateAll(1);
Assert.AreEqual(true, u.IsUpdated, "Expect U to be updated.");
}
public void TestSystemExcludedUpdate()
{
world = CreateWorld();
SystemU u = new SystemU();
world.AddSystem(u);
world.UpdateAll(1, typeof(SystemU));
Assert.AreEqual(false, u.IsUpdated, "Expect U to be excluded, and thus not updated.");
}