code: def test_lazycache_smoke(self):
      lines = linecache.getlines(NONEXISTENT_FILENAME, globals())
      linecache.clearcache()
      self.assertEqual(
          True, linecache.lazycache(NONEXISTENT_FILENAME, globals())
      )
      self.assertEqual(1, len(linecache.cache[NONEXISTENT_FILENAME]))
      # Note here that we're looking up a nonexistent filename with no
      # globals: this would error if the lazy value wasn't resolved.
      self.assertEqual(lines, linecache.getlines(NONEXISTENT_FILENAME))
  
imports: import linecache
  import unittest
  import os.path
  import tempfile
  import tokenize
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 6 for calling the LineCacheTests obj's underlying member method code with example usage: obj.test_lazycache_smoke() without return types