{
  "tests": [
    {
      "description": "Default",
      "uri": "mongodb://localhost/",
      "valid": true,
      "warning": false,
      "writeConcern": {}
    },
    {
      "description": "w as a valid number",
      "uri": "mongodb://localhost/?w=1",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "w": 1
      }
    },
    {
      "description": "w as an invalid number",
      "uri": "mongodb://localhost/?w=-2",
      "valid": false,
      "warning": null
    },
    {
      "description": "w as a string",
      "uri": "mongodb://localhost/?w=majority",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "w": "majority"
      }
    },
    {
      "description": "wtimeoutMS as a valid number",
      "uri": "mongodb://localhost/?wtimeoutMS=500",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "wtimeoutMS": 500
      }
    },
    {
      "description": "wtimeoutMS as an invalid number",
      "uri": "mongodb://localhost/?wtimeoutMS=-500",
      "valid": false,
      "warning": null
    },
    {
      "description": "journal as false",
      "uri": "mongodb://localhost/?journal=false",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "journal": false
      }
    },
    {
      "description": "journal as true",
      "uri": "mongodb://localhost/?journal=true",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "journal": true
      }
    },
    {
      "description": "All options combined",
      "uri": "mongodb://localhost/?w=3&wtimeoutMS=500&journal=true",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "w": 3,
        "wtimeoutMS": 500,
        "journal": true
      }
    },
    {
      "description": "Unacknowledged with w",
      "uri": "mongodb://localhost/?w=0",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "w": 0
      }
    },
    {
      "description": "Unacknowledged with w and journal",
      "uri": "mongodb://localhost/?w=0&journal=false",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "w": 0,
        "journal": false
      }
    },
    {
      "description": "Unacknowledged with w and wtimeoutMS",
      "uri": "mongodb://localhost/?w=0&wtimeoutMS=500",
      "valid": true,
      "warning": false,
      "writeConcern": {
        "w": 0,
        "wtimeoutMS": 500
      }
    },
    {
      "description": "Acknowledged with w as 0 and journal true",
      "uri": "mongodb://localhost/?w=0&journal=true",
      "valid": true,
      "warning": true,
      "writeConcern": {
        "w": 0,
        "journal": true
      }
    }
  ]
}