# disconnect_world_reset_test —— 40250 SetOffLinePhase/Destroy 清理边界。
# 显式断开不能只销毁 socket；保留 GameScene 时必须通知 presentation owner 清空旧世界。
extends SceneTree

var _failures := 0

func _check(ok: bool, message: String) -> void:
	if not ok:
		_failures += 1
		printerr("FAIL: " + message)

func _init() -> void:
	var client := M2Client.new()
	get_root().add_child(client)
	var resets := [0]
	client.world_reset.connect(func() -> void:
		resets[0] += 1)

	# The client is offline here, so this checks the public lifecycle contract:
	# explicit disconnect always gives the retained scene one synchronous reset
	# notification, while remaining idempotent at the transport layer.
	client.disconnect_from_server()
	_check(resets[0] == 1,
			"explicit disconnect emits one world_reset for retained scene cleanup")
	client.disconnect_from_server()
	_check(resets[0] == 2,
			"repeated explicit disconnect emits one reset per lifecycle boundary")

	client.free()
	if _failures == 0:
		print("PASS: disconnect_world_reset_test")
		quit(0)
	else:
		printerr("%d check(s) failed" % _failures)
		quit(1)