//! Smoke test: the simulation world boots and can run a single tick.

use bevy_app::prelude::*;
use settled_reach_server::simulation::time::SimulationTime;
use settled_reach_server::simulation::SimulationPlugin;

#[test]
fn world_boots_and_ticks() {
    let mut app = App::new();
    app.add_plugins(SimulationPlugin);

    // Verify initial state
    let time = app.world().resource::<SimulationTime>();
    assert_eq!(time.tick, 0);

    // Run one update cycle
    app.update();

    // Verify tick advanced
    let time = app.world().resource::<SimulationTime>();
    assert_eq!(time.tick, 1);
}