JsonConvert.DeserializeObject doesn't throw an exception for a single opening bracket

[adamgauthier]

Steps to reproduce

// result is empty array
var result = JsonConvert.DeserializeObject("[");

// Newtonsoft.Json.JsonReaderException: 'Error reading JArray from JsonReader. Path '', line 1, position 1.'
var jarray = JArray.Parse("[");

Expected behavior

JsonConvert.DeserializeObject() throws an error on single opening bracket input.

Actual behavior

JsonConvert.DeserializeObject() successfully deserializes a single opening bracket input to an empty array.

Version

Tested with 12.0.1.

Related Issues

#1321