code: def test_correct_values(self):
      # Check that corpus views produce the correct sequence of values.
  
      for f, file_data in self.data():
          v = StreamBackedCorpusView(f, read_whitespace_block)
          self.assertEqual(list(v), file_data.split())
  
          v = StreamBackedCorpusView(f, read_line_block)
          self.assertEqual(list(v), self.linetok.tokenize(file_data))
  
file_path: nltk/nltk/test/unit/test_corpus_views.py
imports: import unittest
  import nltk.data
  from nltk.corpus.reader.util import StreamBackedCorpusView, read_line_block, read_whitespace_block
label_desc: Use image node_id 2 for calling the TestCorpusViews obj's underlying member method code with example usage: obj.test_correct_values() without return types