[
  {
    "id": "$arrayToObject baseline",
    "operator": "$arrayToObject",
    "kind": "baseline",
    "operand": "all",
    "expression": {
      "$arrayToObject": {
        "$literal": [
          {
            "k": "a",
            "v": 1
          }
        ]
      }
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": {\"a\": {\"$numberInt\": \"1\"}}}",
      "present": true
    }
  },
  {
    "id": "$arrayToObject input: null",
    "operator": "$arrayToObject",
    "kind": "null",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": null
    },
    "srotax": {
      "bson": "{\"v\": null}",
      "present": true
    }
  },
  {
    "id": "$arrayToObject input: missing",
    "operator": "$arrayToObject",
    "kind": "missing",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": null}",
      "present": true
    }
  },
  {
    "id": "$arrayToObject input: zero",
    "operator": "$arrayToObject",
    "kind": "zero",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": 0
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: negative",
    "operator": "$arrayToObject",
    "kind": "negative",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": -2
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: decimal",
    "operator": "$arrayToObject",
    "kind": "decimal",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": 2.5
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: numeric string",
    "operator": "$arrayToObject",
    "kind": "numeric string",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": "12"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: text",
    "operator": "$arrayToObject",
    "kind": "text",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": "hello"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: empty string",
    "operator": "$arrayToObject",
    "kind": "empty string",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": ""
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: boolean",
    "operator": "$arrayToObject",
    "kind": "boolean",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": true
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: false",
    "operator": "$arrayToObject",
    "kind": "false",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": false
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: typed date",
    "operator": "$arrayToObject",
    "kind": "typed date",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": {
        "$date": "2026-01-15T15:00:00Z"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: decimal128",
    "operator": "$arrayToObject",
    "kind": "decimal128",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": {
        "$numberDecimal": "1.25"
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: empty array",
    "operator": "$arrayToObject",
    "kind": "empty array",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": []
    },
    "srotax": {
      "bson": "{\"v\": {}}",
      "present": true
    }
  },
  {
    "id": "$arrayToObject input: numeric array",
    "operator": "$arrayToObject",
    "kind": "numeric array",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": [
        1,
        2,
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject elements must be objects with 'k' and 'v'."
    }
  },
  {
    "id": "$arrayToObject input: mixed array",
    "operator": "$arrayToObject",
    "kind": "mixed array",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": [
        1,
        null,
        "x",
        3
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject elements must be objects with 'k' and 'v'."
    }
  },
  {
    "id": "$arrayToObject input: nested array",
    "operator": "$arrayToObject",
    "kind": "nested array",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": [
        [
          1,
          2
        ],
        [
          3
        ]
      ]
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "Object key must be a string"
    }
  },
  {
    "id": "$arrayToObject input: empty object",
    "operator": "$arrayToObject",
    "kind": "empty object",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": {}
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: object",
    "operator": "$arrayToObject",
    "kind": "object",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": {
        "x": 1
      }
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject input: ISO date string",
    "operator": "$arrayToObject",
    "kind": "ISO date string",
    "operand": "input",
    "expression": {
      "$arrayToObject": "$probe"
    },
    "input": {
      "probe": "2026-01-15T15:00:00Z"
    },
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  },
  {
    "id": "$arrayToObject empty arguments",
    "operator": "$arrayToObject",
    "kind": "empty arguments",
    "operand": "all",
    "expression": {
      "$arrayToObject": []
    },
    "input": {},
    "srotax": {
      "bson": "{\"v\": {}}",
      "present": true
    }
  },
  {
    "id": "$arrayToObject unknown option",
    "operator": "$arrayToObject",
    "kind": "unknown option",
    "operand": "all",
    "expression": {
      "$arrayToObject": {
        "unexpected": 1
      }
    },
    "input": {},
    "srotax": {
      "error": "IllegalArgumentException",
      "message": "$arrayToObject expects an array of {k, v} objects."
    }
  }
]