new_contents: # -*- coding: UTF-8 -*-
  from main import Rect, Tile, Room, Rooms, OuterFrame
  
  def test_Rect():
      rect = Rect(1, 2, 3, 3)
      assert (rect.x, rect.y) == (1, 2)
      assert (rect.width, rect.height) == (3, 3)
      assert (rect.ax, rect.ay) == (3, 4)
  
  
  def test_Tile():
      tile = Tile(1, 2)
      assert (tile.x, tile.y) == (1, 2)
      assert tile.kind == Tile.DEFAULT
  
      tile = Tile(3, 4, Tile.PARTING_LINE)
      assert (tile.x, tile.y) == (3, 4)
      assert tile.kind == Tile.PARTING_LINE
  
subject: add main.py