{
    "tests": [
	{
	    "description":"no options",
	    "uri":"mongodb://localhost",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"no options with trailing question mark",
	    "uri":"mongodb://localhost/?",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"no options with trailing question mark and ampersand",
	    "uri":"mongodb://localhost/?&",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"single option",
	    "uri":"mongodb://localhost/?w=1",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"w":1
	    }
	},
	{
	    "description":"multiple options",
	    "uri":"mongodb://localhost/?w=1&replicaSet=set",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"w":1,
		"replicaset":"set"
	    }
	},
	{
	    "description":"multiple options with mixed case",
	    "uri":"mongodb://localhost/?ReAdPrEfErEnCe=Primary&wTimeoutMS=1000",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"readpreference":"Primary",
		"wtimeoutms":1000
	    }
	},
	{
	    "description":"percent encoded option",
	    "uri":"mongodb://localhost/?%77=%74rue",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"w":"true"
	    }
	},
	{
	    "description":"options with empty option value",
	    "uri":"mongodb://localhost/?w=",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"w":""
	    }
	},
	{
	    "description":"no equals sign in option",
	    "uri":"mongodb://localhost/?w",
	    "valid":false,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"extra equals signs at start of option value",
	    "uri":"mongodb://localhost/?w==true",
	    "valid":false,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"extra equals signs at end of option value",
	    "uri":"mongodb://localhost/?w=true=",
	    "valid":false,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"equals signs at beginning and end of option value",
	    "uri":"mongodb://localhost/?w==true=",
	    "valid":false,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"option value of equals sign",
	    "uri":"mongodb://localhost/?w==",
	    "valid":false,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{}
	},
	{
	    "description":"warning for unknown1 option",
	    "uri":"mongodb://localhost/?unknown1=a&w=1&unknown2=b",
	    "valid":true,
	    "warning":true,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"w":1
	    }
	},
	{
	    "description":"options with warnings",
	    "uri":"mongodb://localhost/?w=1&w=2&replicaSet=set",
	    "valid":true,
	    "warning":true,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"w":1,
		"replicaset":"set"
	    }
	},
	{
	    "description":"no warning for duplicate option of list type",
	    "uri":"mongodb://localhost/?readPreferenceTags=a:b&readPreferenceTags=c:d",
	    "valid":true,
	    "warning":false,
	    "hosts":null,
	    "auth":null,
	    "options":{
		"readpreferencetags": [
		    {"a":"b"},
		    {"c":"d"}
		]
	    }
	}
    ]
}