- document: [[{"key": 42}], [{"key": 1}]]
  selector: "$[?(@[0].key==42)]"
- document: {"key": {"key": "string", "primitives": [{"key": 0}, 1]}}
  selector: "$...key"
- document: [[0], [1, 2], [{"key": 2}, 3], 2]
  selector: "$[?(@[-1]==$[-1])]"
- document: [[0], [1, 2], [{"key": 2}, 3], 2]
  selector: "$[?($[42])]"
- document: [null, [0], [1, 2], [{"key": 2}, 3], 2]
  selector: "$[?(42)]"
- document: [null, [0], [1, 2], [{"key": 2}, 3], 2]
  selector: "$[?($[0]==null)]"
- document: [null, [0], [1, 2], [{"key": 2}, 3], {"key": 2}]
  selector: "$[?(!@.key)]"
- document: [{"more": 1}, {"key": 2}]
  selector: "$[?(!!@.key)]"
- document: [{"more": 1}, {"key": 2}]
  selector: "$[?(!(!@.key))]"
- document: [{"more": 1}, {"key": 2}]
  selector: "$[?((@.key))]"
- document: [{"key": 42}, {"key": 43}, {"key": 44}]
  selector: "$[?((@.key>42) && (@.key<44))]"
- document: [{"key": 42}, {"key": 43}, {"key": 44}]
  selector: "$[?((@.key>42) && (@.key<44) && (@.key>0))]"
- document: [{"key": 42}, {"key": 43}, {"key": 44}]
  selector: "$[?((@.key)==42)"
- document: [{"key": 42}, {"key": 43}, {"key": 44}]
  selector: "$[?((@.key==42))"
- document: [1, 2, 3]
  selector: "$[?([1,2]<[3,4])]"
- document: [{"key": [1, 2]}, {"key": [2]}, {"key": [3, 4]}, {"key": [1, 2, 5]}, {"key": [3, 3]}, {"key": [4, 3]}, {"key": [0, 0]}, {"key": 1}, {"key": 3}, {"key": 4}, {"key": 5}, {"key": [5, 6]}]
  selector: "$[?(@.key<[3,4])]"