[
  {
    "id": "$round baseline",
    "operator": "$round",
    "kind": "baseline",
    "operand": "all",
    "expression": {
      "$round": [
        2.5
      ]
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": {\"$numberDouble\": \"2.0\"}}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: null",
    "operator": "$round",
    "kind": "null",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": null
    },
    "srotax": {
      "bson": "{\"v\": null}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: missing",
    "operator": "$round",
    "kind": "missing",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": null}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: zero",
    "operator": "$round",
    "kind": "zero",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": 0
    },
    "srotax": {
      "bson": "{\"v\": {\"$numberInt\": \"0\"}}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: negative",
    "operator": "$round",
    "kind": "negative",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": -2
    },
    "srotax": {
      "bson": "{\"v\": {\"$numberInt\": \"-2\"}}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: decimal",
    "operator": "$round",
    "kind": "decimal",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": 2.5
    },
    "srotax": {
      "bson": "{\"v\": {\"$numberDouble\": \"2.0\"}}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: numeric string",
    "operator": "$round",
    "kind": "numeric string",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": "12"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: text",
    "operator": "$round",
    "kind": "text",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": "hello"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: empty string",
    "operator": "$round",
    "kind": "empty string",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": ""
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: boolean",
    "operator": "$round",
    "kind": "boolean",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": true
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: false",
    "operator": "$round",
    "kind": "false",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": false
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: typed date",
    "operator": "$round",
    "kind": "typed date",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": {
        "$date": "2026-01-15T15:00:00Z"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: decimal128",
    "operator": "$round",
    "kind": "decimal128",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": {
        "$numberDecimal": "1.25"
      }
    },
    "srotax": {
      "bson": "{\"v\": {\"$numberDouble\": \"1.0\"}}",
      "present": true
    }
  },
  {
    "id": "$round number[0]: empty array",
    "operator": "$round",
    "kind": "empty array",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": []
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: numeric array",
    "operator": "$round",
    "kind": "numeric array",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": [
        1,
        2,
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: mixed array",
    "operator": "$round",
    "kind": "mixed array",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": [
        1,
        null,
        "x",
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: nested array",
    "operator": "$round",
    "kind": "nested array",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": [
        [
          1,
          2
        ],
        [
          3
        ]
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: empty object",
    "operator": "$round",
    "kind": "empty object",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": {}
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: object",
    "operator": "$round",
    "kind": "object",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": {
        "x": 1
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round number[0]: ISO date string",
    "operator": "$round",
    "kind": "ISO date string",
    "operand": "number[0]",
    "expression": {
      "$round": [
        "$probe"
      ]
    },
    "input": {
      "probe": "2026-01-15T15:00:00Z"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "$round empty arguments",
    "operator": "$round",
    "kind": "empty arguments",
    "operand": "all",
    "expression": {
      "$round": []
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$round requires [number, place?]"
    }
  },
  {
    "id": "$round unknown option",
    "operator": "$round",
    "kind": "unknown option",
    "operand": "all",
    "expression": {
      "$round": {
        "unexpected": 1
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Number and integer precision required"
    }
  },
  {
    "id": "mongodb-9-boundary-cases.json:6",
    "operator": "$round",
    "kind": "boundary example",
    "operand": "all",
    "expression": {
      "$round": [
        2.345,
        2
      ]
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": {\"$numberDouble\": \"2.34\"}}",
      "present": true
    }
  },
  {
    "id": "mongodb-9-boundary-cases.json:7",
    "operator": "$round",
    "kind": "boundary example",
    "operand": "all",
    "expression": {
      "$round": [
        2.5,
        0
      ]
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": {\"$numberDouble\": \"2.0\"}}",
      "present": true
    }
  }
]