extends SceneTree
func _initialize() -> void:
	call_deferred("run_test")
func run_test() -> void:
	var world = load("res://scenes/main.tscn").instantiate()
	root.add_child(world)
	world.player.hp = 100000
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	await create_timer(5.2).timeout
	assert(world.wave == 1 and world.alive == 6 and not world.spawning)
	for zombie in get_nodes_in_group("live_zombies"):
		zombie.take_damage(1000, zombie.global_position.y + 0.9)
	assert(world.alive == 0 and world.wave_pending)
	world._check_wave()
	world._check_wave() # no duplicate next-wave scheduling
	await create_timer(3.2).timeout
	assert(world.wave == 2)
	await create_timer(6.4).timeout
	assert(world.wave == 2 and world.alive == 8 and not world.spawning)
	assert(get_nodes_in_group("zombie_corpses").size() == 6)
	print("PASS: wave1=6, clear -> wave2=8, single transition, corpses retained")
	world.queue_free()
	await process_frame
	quit()