Elep

{
  "runOn": [
    {
      "maxServerVersion": "4.3.3"
    }
  ],
  "data": [
    {
      "_id": 1,
      "x": 11
    },
    {
      "_id": 2,
      "x": 22
    }
  ],
  "collection_name": "FindOneAndUpdate_hint",
  "tests": [
    {
      "description": "Unacknowledged findOneAndUpdate with hint string fails with client-side error on server < 4.4",
      "operations": [
        {
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {
              "w": 0
            }
          },
          "name": "findOneAndUpdate",
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$inc": {
                "x": 1
              }
            },
            "hint": "_id_"
          },
          "error": true
        }
      ],
      "expectations": {},
      "outcome": {
        "collection": {
          "data": [
            {
              "_id": 1,
              "x": 11
            },
            {
              "_id": 2,
              "x": 22
            }
          ]
        }
      }
    },
    {
      "description": "Unacknowledged findOneAndUpdate with hint document fails with client-side error on server < 4.4",
      "operations": [
        {
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {
              "w": 0
            }
          },
          "name": "findOneAndUpdate",
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$inc": {
                "x": 1
              }
            },
            "hint": {
              "_id": 1
            }
          },
          "error": true
        }
      ],
      "expectations": {},
      "outcome": {
        "collection": {
          "data": [
            {
              "_id": 1,
              "x": 11
            },
            {
              "_id": 2,
              "x": 22
            }
          ]
        }
      }
    }
  ]
}