{
  "fixture": "OPC UA DataValue EncodingMask",
  "cases": [
    {
      "case_id": "只有值",
      "kind": "正例",
      "result": {
        "value": 42,
        "status": 0,
        "source_ticks": null,
        "server_ticks": null,
        "source_pico": null,
        "server_pico": null,
        "present": [
          "value"
        ]
      }
    },
    {
      "case_id": "值与状态",
      "kind": "正例",
      "result": {
        "value": 42,
        "status": 1073741824,
        "source_ticks": null,
        "server_ticks": null,
        "source_pico": null,
        "server_pico": null,
        "present": [
          "value",
          "status"
        ]
      }
    },
    {
      "case_id": "全部时间及小数字段",
      "kind": "正例",
      "result": {
        "value": 42,
        "status": 0,
        "source_ticks": 10,
        "server_ticks": 20,
        "source_pico": 7,
        "server_pico": 9999,
        "present": [
          "value",
          "source_ticks",
          "source_pico",
          "server_ticks",
          "server_pico"
        ]
      }
    },
    {
      "case_id": "源时间显式零",
      "kind": "正例",
      "result": {
        "value": null,
        "status": 0,
        "source_ticks": 0,
        "server_ticks": null,
        "source_pico": null,
        "server_pico": null,
        "present": [
          "source_ticks"
        ]
      }
    },
    {
      "case_id": "截短时间字段",
      "kind": "显式负例",
      "rejected": "DataValue字段截短"
    }
  ],
  "assertions_passed": 5,
  "scope": "合成输入离线演算；未接真实设备"
}