[
  {
    "id": "$unsetField baseline",
    "operator": "$unsetField",
    "kind": "baseline",
    "operand": "all",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": {\"b\": {\"$numberInt\": \"2\"}}}",
      "present": true
    }
  },
  {
    "id": "$unsetField field: null",
    "operator": "$unsetField",
    "kind": "null",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": null
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: missing",
    "operator": "$unsetField",
    "kind": "missing",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: zero",
    "operator": "$unsetField",
    "kind": "zero",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": 0
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: negative",
    "operator": "$unsetField",
    "kind": "negative",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": -2
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: decimal",
    "operator": "$unsetField",
    "kind": "decimal",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": 2.5
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: numeric string",
    "operator": "$unsetField",
    "kind": "numeric string",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": "12"
    },
    "srotax": {
      "bson": "{\"v\": {\"a\": {\"$numberInt\": \"1\"}, \"b\": {\"$numberInt\": \"2\"}}}",
      "present": true
    }
  },
  {
    "id": "$unsetField field: text",
    "operator": "$unsetField",
    "kind": "text",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": "hello"
    },
    "srotax": {
      "bson": "{\"v\": {\"a\": {\"$numberInt\": \"1\"}, \"b\": {\"$numberInt\": \"2\"}}}",
      "present": true
    }
  },
  {
    "id": "$unsetField field: empty string",
    "operator": "$unsetField",
    "kind": "empty string",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": ""
    },
    "srotax": {
      "bson": "{\"v\": {\"a\": {\"$numberInt\": \"1\"}, \"b\": {\"$numberInt\": \"2\"}}}",
      "present": true
    }
  },
  {
    "id": "$unsetField field: boolean",
    "operator": "$unsetField",
    "kind": "boolean",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": true
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: false",
    "operator": "$unsetField",
    "kind": "false",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": false
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: typed date",
    "operator": "$unsetField",
    "kind": "typed date",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": {
        "$date": "2026-01-15T15:00:00Z"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: decimal128",
    "operator": "$unsetField",
    "kind": "decimal128",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": {
        "$numberDecimal": "1.25"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: empty array",
    "operator": "$unsetField",
    "kind": "empty array",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": []
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: numeric array",
    "operator": "$unsetField",
    "kind": "numeric array",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": [
        1,
        2,
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: mixed array",
    "operator": "$unsetField",
    "kind": "mixed array",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": [
        1,
        null,
        "x",
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: nested array",
    "operator": "$unsetField",
    "kind": "nested array",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": [
        [
          1,
          2
        ],
        [
          3
        ]
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: empty object",
    "operator": "$unsetField",
    "kind": "empty object",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": {}
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: object",
    "operator": "$unsetField",
    "kind": "object",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": {
        "x": 1
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField field: ISO date string",
    "operator": "$unsetField",
    "kind": "ISO date string",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "field": "$probe",
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {
      "probe": "2026-01-15T15:00:00Z"
    },
    "srotax": {
      "bson": "{\"v\": {\"a\": {\"$numberInt\": \"1\"}, \"b\": {\"$numberInt\": \"2\"}}}",
      "present": true
    }
  },
  {
    "id": "$unsetField input: null",
    "operator": "$unsetField",
    "kind": "null",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": null
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: missing",
    "operator": "$unsetField",
    "kind": "missing",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: zero",
    "operator": "$unsetField",
    "kind": "zero",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": 0
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: negative",
    "operator": "$unsetField",
    "kind": "negative",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": -2
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: decimal",
    "operator": "$unsetField",
    "kind": "decimal",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": 2.5
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: numeric string",
    "operator": "$unsetField",
    "kind": "numeric string",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": "12"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: text",
    "operator": "$unsetField",
    "kind": "text",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": "hello"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: empty string",
    "operator": "$unsetField",
    "kind": "empty string",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": ""
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: boolean",
    "operator": "$unsetField",
    "kind": "boolean",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": true
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: false",
    "operator": "$unsetField",
    "kind": "false",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": false
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: typed date",
    "operator": "$unsetField",
    "kind": "typed date",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": {
        "$date": "2026-01-15T15:00:00Z"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: decimal128",
    "operator": "$unsetField",
    "kind": "decimal128",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": {
        "$numberDecimal": "1.25"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: empty array",
    "operator": "$unsetField",
    "kind": "empty array",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": []
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: numeric array",
    "operator": "$unsetField",
    "kind": "numeric array",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": [
        1,
        2,
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: mixed array",
    "operator": "$unsetField",
    "kind": "mixed array",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": [
        1,
        null,
        "x",
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: nested array",
    "operator": "$unsetField",
    "kind": "nested array",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": [
        [
          1,
          2
        ],
        [
          3
        ]
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField input: empty object",
    "operator": "$unsetField",
    "kind": "empty object",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": {}
    },
    "srotax": {
      "bson": "{\"v\": {}}",
      "present": true
    }
  },
  {
    "id": "$unsetField input: object",
    "operator": "$unsetField",
    "kind": "object",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": {
        "x": 1
      }
    },
    "srotax": {
      "bson": "{\"v\": {\"x\": {\"$numberInt\": \"1\"}}}",
      "present": true
    }
  },
  {
    "id": "$unsetField input: ISO date string",
    "operator": "$unsetField",
    "kind": "ISO date string",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a",
        "input": "$probe"
      }
    },
    "input": {
      "probe": "2026-01-15T15:00:00Z"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires document input and string field."
    }
  },
  {
    "id": "$unsetField omit field",
    "operator": "$unsetField",
    "kind": "omitted named argument",
    "operand": "field",
    "expression": {
      "$unsetField": {
        "input": {
          "a": 1,
          "b": 2
        }
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires 'field' and 'input' keys."
    }
  },
  {
    "id": "$unsetField omit input",
    "operator": "$unsetField",
    "kind": "omitted named argument",
    "operand": "input",
    "expression": {
      "$unsetField": {
        "field": "a"
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires 'field' and 'input' keys."
    }
  },
  {
    "id": "$unsetField empty arguments",
    "operator": "$unsetField",
    "kind": "empty arguments",
    "operand": "all",
    "expression": {
      "$unsetField": []
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires 'field' and 'input' keys."
    }
  },
  {
    "id": "$unsetField unknown option",
    "operator": "$unsetField",
    "kind": "unknown option",
    "operand": "all",
    "expression": {
      "$unsetField": {
        "unexpected": 1
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$unsetField requires 'field' and 'input' keys."
    }
  }
]