{
  "name": "lava_ignites_wood",
  "description": "Lava next to wood should set the wood on fire",
  "seed": 42,
  "init_mode": "empty",
  "setup": [
    {"type": "fill_rect", "x": 100, "y": 110, "w": 20, "h": 1, "material": "stone"},
    {"type": "fill_rect", "x": 105, "y": 108, "w": 3, "h": 2, "material": "wood"},
    {"type": "set_cell", "x": 108, "y": 108, "material": "lava"},
    {"type": "set_cell", "x": 108, "y": 109, "material": "lava"}
  ],
  "steps": 20,
  "assertions": [
    {"type": "no_material_in_region", "x": 105, "y": 107, "w": 3, "h": 3, "material": "wood"}
  ]
}