new_contents: 
  from io import BytesIO
  
  import pytest
  
  from nbtlib.tag import *
  
  
  tag_parsing_inputs = [
  
      # Byte tag
      (b'\x00', Byte(0)),
      (b'\xFF', Byte(-1)),
      (b'\x7F', Byte(127)),
      (b'\x80', Byte(-128)),
  
      # Short tag
      (b'\x00\x00', Short(0)),
      (b'\xFF\xFF', Short(-1)),
      (b'\x7F\xFF', Short(32767)),
      (b'\x80\x00', Short(-32768)),
  
      # Int tag
      (b'\x00\x00\x00\x00', Int(0)),
      (b'\xFF\xFF\xFF\xFF', Int(-1)),
      (b'\x7F\xFF\xFF\xFF', Int(2147483647)),
      (b'\x80\x00\x00\x00', Int(-2147483648)),
  
      # Long tag
      (b'\x00\x00\x00\x00\x00\x00\x00\x00', Long(0)),
      (b'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF', Long(-1)),
      (b'\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF', Long(9223372036854775807)),
      (b'\x80\x00\x00\x00\x00\x00\x00\x00', Long(-9223372036854775808)),
  
  ]
  
  
  @pytest.mark.parametrize('bytes_input, expected_tag', tag_parsing_inputs)
  def test_tag_parsing(bytes_input, expected_tag):
      tag_type = type(expected_tag)
      parsed_tag = tag_type.parse(BytesIO(bytes_input))
      assert parsed_tag == expected_tag
  
  
subject: Create tests for tag parsing