{
  "fixture": "BACnet Date Time 通配符",
  "cases": [
    {
      "case_id": "具体日期",
      "kind": "正例",
      "result": {
        "date_fields": {
          "year": 2026,
          "month": 10,
          "day": 24,
          "weekday": 6
        },
        "time_fields": {
          "hour": 14,
          "minute": 3,
          "second": 5,
          "hundredths": 25
        },
        "concrete": true,
        "local_datetime": "2026-10-24T14:03:05.250000"
      }
    },
    {
      "case_id": "任意日",
      "kind": "正例",
      "result": {
        "date_fields": {
          "year": 2026,
          "month": 10,
          "day": null,
          "weekday": null
        },
        "time_fields": {
          "hour": 14,
          "minute": 0,
          "second": 0,
          "hundredths": 0
        },
        "concrete": false,
        "local_datetime": null
      }
    },
    {
      "case_id": "百分之一秒越界",
      "kind": "显式负例",
      "rejected": "时间字段越界"
    }
  ],
  "assertions_passed": 3,
  "scope": "合成输入离线演算；未接真实设备"
}