Results do not match other implementations

[cburgmer]

The following queries provide results that do not match those of other implementations of JSONPath
(compare https://cburgmer.github.io/json-path-comparison/):

• $[-1]
  Input:

  ["first", "second", "third"]
  

  Expected output:

  ["third"]
  

  Actual output:

  []
  

• $[?(@.key<42)]
  Input:

  [{"key": 0}, {"key": 42}, {"key": -1}, {"key": 41}, {"key": 43}, {"key": 42.0001}, {"key": 41.9999}, {"key": 100}, {"some": "value"}]
  

  Expected output:

  [{"key": 0}, {"key": -1}, {"key": 41}, {"key": 41.9999}]
  

  Actual output:

  [{"key": 0}, {"key": -1}, {"key": 41}, {"key": 41.9999}, {"some": "value"}]
  

• $[?(@.key)]
  Input:

  [{"some": "some value"}, {"key": "value"}]
  

  Expected output:

  [{"key": "value"}]
  

  Error:

  String 'value' was not recognized as a valid Boolean.
  

• $['two.some']
  Input:

  {"one": {"key": "value"}, "two": {"some": "more", "key": "other value"}, "two.some": "42"}
  

  Expected output:

  ["42"]
  

  Actual output:

  ["more"]
  

For reference, the output was generated by the program in https://github.com/cburgmer/json-path-comparison/tree/master/implementations/dotNET_JsonPathLib.