{
  "topic": "OPC UA StatusCode 严重级别",
  "origin": "本文原创合成数据，未采集真实设备",
  "cases": [
    {
      "case_id": "Good含信息",
      "kind": "正例",
      "input": {
        "hex_word": "00000480"
      },
      "expected": {
        "severity": "Good",
        "subcode": 0,
        "info_type": 1,
        "info_bits": 128,
        "usable_policy": "可使用并保留信息"
      }
    },
    {
      "case_id": "Uncertain",
      "kind": "正例",
      "input": {
        "hex_word": "40000000"
      },
      "expected": {
        "severity": "Uncertain",
        "subcode": 0,
        "info_type": 0,
        "info_bits": 0,
        "usable_policy": "谨慎使用"
      }
    },
    {
      "case_id": "Bad",
      "kind": "正例",
      "input": {
        "hex_word": "80020000"
      },
      "expected": {
        "severity": "Bad",
        "subcode": 2,
        "info_type": 0,
        "info_bits": 0,
        "usable_policy": "不得使用值"
      }
    },
    {
      "case_id": "保留严重级别",
      "kind": "正例",
      "input": {
        "hex_word": "C0000000"
      },
      "expected": {
        "severity": "Reserved",
        "subcode": 0,
        "info_type": 0,
        "info_bits": 0,
        "usable_policy": "不得使用值"
      }
    },
    {
      "case_id": "超32位",
      "kind": "显式负例",
      "input": {
        "hex_word": "100000000"
      },
      "expected_error": "StatusCode超32位"
    }
  ]
}