{
  "description": "findOneAndUpdate-hint-unacknowledged",
  "schemaVersion": "1.0",
  "createEntities": [
    {
      "client": {
        "id": "client0",
        "observeEvents": [
          "commandStartedEvent"
        ]
      }
    },
    {
      "database": {
        "id": "database0",
        "client": "client0",
        "databaseName": "db0"
      }
    },
    {
      "collection": {
        "id": "collection0",
        "database": "database0",
        "collectionName": "coll0",
        "collectionOptions": {
          "writeConcern": {
            "w": 0
          }
        }
      }
    }
  ],
  "initialData": [
    {
      "collectionName": "coll0",
      "databaseName": "db0",
      "documents": [
        {
          "_id": 1,
          "x": 11
        },
        {
          "_id": 2,
          "x": 22
        }
      ]
    }
  ],
  "tests": [
    {
      "description": "Unacknowledged findOneAndUpdate with hint string fails with client-side error on pre-4.4 server",
      "runOnRequirements": [
        {
          "maxServerVersion": "4.2.99"
        }
      ],
      "operations": [
        {
          "object": "collection0",
          "name": "findOneAndUpdate",
          "arguments": {
            "filter": {
              "_id": {
                "$gt": 1
              }
            },
            "update": {
              "$inc": {
                "x": 1
              }
            },
            "hint": "_id_"
          },
          "expectError": {
            "isClientError": true
          }
        }
      ],
      "expectEvents": [
        {
          "client": "client0",
          "events": []
        }
      ]
    },
    {
      "description": "Unacknowledged findOneAndUpdate with hint document fails with client-side error on pre-4.4 server",
      "runOnRequirements": [
        {
          "maxServerVersion": "4.2.99"
        }
      ],
      "operations": [
        {
          "object": "collection0",
          "name": "findOneAndUpdate",
          "arguments": {
            "filter": {
              "_id": {
                "$gt": 1
              }
            },
            "update": {
              "$inc": {
                "x": 1
              }
            },
            "hint": {
              "_id": 1
            }
          },
          "expectError": {
            "isClientError": true
          }
        }
      ],
      "expectEvents": [
        {
          "client": "client0",
          "events": []
        }
      ]
    },
    {
      "description": "Unacknowledged findOneAndUpdate with hint string on 4.4+ server",
      "runOnRequirements": [
        {
          "minServerVersion": "4.4.0"
        }
      ],
      "operations": [
        {
          "object": "collection0",
          "name": "findOneAndUpdate",
          "arguments": {
            "filter": {
              "_id": {
                "$gt": 1
              }
            },
            "update": {
              "$inc": {
                "x": 1
              }
            },
            "hint": "_id_"
          },
          "expectResult": {
            "$$unsetOrMatches": null
          }
        }
      ],
      "expectEvents": [
        {
          "client": "client0",
          "events": [
            {
              "commandStartedEvent": {
                "command": {
                  "findAndModify": "coll0",
                  "query": {
                    "_id": {
                      "$gt": 1
                    }
                  },
                  "update": {
                    "$inc": {
                      "x": 1
                    }
                  },
                  "hint": {
                    "$$type": [
                      "string",
                      "object"
                    ]
                  },
                  "writeConcern": {
                    "w": 0
                  }
                }
              }
            }
          ]
        }
      ]
    },
    {
      "description": "Unacknowledged findOneAndUpdate with hint document on 4.4+ server",
      "runOnRequirements": [
        {
          "minServerVersion": "4.4.0"
        }
      ],
      "operations": [
        {
          "object": "collection0",
          "name": "findOneAndUpdate",
          "arguments": {
            "filter": {
              "_id": {
                "$gt": 1
              }
            },
            "update": {
              "$inc": {
                "x": 1
              }
            },
            "hint": {
              "_id": 1
            }
          },
          "expectResult": {
            "$$unsetOrMatches": null
          }
        }
      ],
      "expectEvents": [
        {
          "client": "client0",
          "events": [
            {
              "commandStartedEvent": {
                "command": {
                  "findAndModify": "coll0",
                  "query": {
                    "_id": {
                      "$gt": 1
                    }
                  },
                  "update": {
                    "$inc": {
                      "x": 1
                    }
                  },
                  "hint": {
                    "$$type": [
                      "string",
                      "object"
                    ]
                  },
                  "writeConcern": {
                    "w": 0
                  }
                }
              }
            }
          ]
        }
      ]
    }
  ]
}