{
  "fixture": "KNX DPT3 相对调光",
  "cases": [
    {
      "case_id": "增加一码",
      "kind": "正例",
      "result": {
        "direction": "increase",
        "step_code": 1,
        "command": "step",
        "subdivisions": 1
      }
    },
    {
      "case_id": "减少七码",
      "kind": "正例",
      "result": {
        "direction": "decrease",
        "step_code": 7,
        "command": "step",
        "subdivisions": 64
      }
    },
    {
      "case_id": "增加方向停止",
      "kind": "正例",
      "result": {
        "direction": "increase",
        "step_code": 0,
        "command": "break",
        "subdivisions": null
      }
    },
    {
      "case_id": "减少方向停止",
      "kind": "正例",
      "result": {
        "direction": "decrease",
        "step_code": 0,
        "command": "break",
        "subdivisions": null
      }
    },
    {
      "case_id": "超过四位",
      "kind": "显式负例",
      "rejected": "DPT3短值超四位"
    }
  ],
  "assertions_passed": 5,
  "scope": "合成输入离线演算；未接真实设备"
}