# File lib/rubygems/indexer.rb, line 601
  def paranoid(path, extension)
    data = Gem.read_binary path
    compressed_data = Gem.read_binary "#{path}.#{extension}"

    unless data == Gem.inflate(compressed_data) then
      raise "Compressed file #{compressed_path} does not match uncompressed file #{path}"
    end
  end