{
  "fixture": "BACnet Priority Array NULL",
  "cases": [
    {
      "case_id": "占用释放回退",
      "kind": "正例",
      "result": {
        "timeline": [
          {
            "effective": 22,
            "source": 8
          },
          {
            "effective": 18,
            "source": 4
          },
          {
            "effective": 22,
            "source": 8
          },
          {
            "effective": 25,
            "source": "RelinquishDefault"
          }
        ]
      }
    },
    {
      "case_id": "零值有效",
      "kind": "正例",
      "result": {
        "timeline": [
          {
            "effective": 0,
            "source": 1
          }
        ]
      }
    },
    {
      "case_id": "优先级0",
      "kind": "显式负例",
      "rejected": "优先级应为1到16"
    }
  ],
  "assertions_passed": 3,
  "scope": "合成输入离线演算；未接真实设备"
}