use magma_app::{App, SystemType, World};

#[test]
fn add_systems() {
    let mut app = App::new();
    app.add_systems(
        SystemType::Startup,
        (vec![&ref_system_startup], vec![&mut_system_startup]),
    );
    app.add_systems(SystemType::Update, (vec![], vec![&update_resource]));
    app.set_runner(&test_runner);
    app.run();
}

fn ref_system_startup(_: &World) {
    println!("startup_ref");
}

fn mut_system_startup(world: &mut World) {
    world.add_resource(0_u32);
    world.register_component::<u32>();
    world.spawn().with_component(10_u32).unwrap();
}

fn update_resource(world: &mut World) {
    *world.get_resource_mut::<u32>().unwrap() += 1;
}

fn test_runner(mut app: App) {
    for _ in 0..10 {
        app.update();
    }
}