code: def test_reorganize(self):
      self.g = gdbm.open(filename, "c")
      size0 = os.path.getsize(filename)
  
      # bpo-33901: on macOS with gdbm 1.15, an empty database uses 16 MiB
      # and adding an entry of 10,000 B has no effect on the file size.
      # Add size0 bytes to make sure that the file size changes.
      value_size = max(size0, 10000)
      self.g["x"] = "x" * value_size
      size1 = os.path.getsize(filename)
      self.assertGreater(size1, size0)
  
      del self.g["x"]
      # 'size' is supposed to be the same even after deleting an entry.
      self.assertEqual(os.path.getsize(filename), size1)
  
      self.g.reorganize()
      size2 = os.path.getsize(filename)
      self.assertLess(size2, size1)
      self.assertGreaterEqual(size2, size0)
  
imports: from test import support
  from test.support import import_helper, cpython_only
  import unittest
  import os
  from test.support.os_helper import TESTFN, TESTFN_NONASCII, unlink, FakePath
label_desc: Use image node_id 8 for calling the TestGdbm obj's underlying member method code with example usage: obj.test_reorganize() without return types