Lib/test/test_list.py

   1 import unittest
   2 from test import test_support, list_tests
   3
   4 class ListTest(list_tests.CommonTest):
   5     type2test = list
   6
   7     def test_truth(self):
   8         super(ListTest, self).test_truth()
   9         self.assert_(not [])
  10         self.assert_([42])
  11
  12     def test_identity(self):
  13         self.assert_([] is not [])
  14
  15     def test_len(self):
  16         super(ListTest, self).test_len()
  17         self.assertEqual(len([]), 0)
  18         self.assertEqual(len([0]), 1)
  19         self.assertEqual(len([0, 1, 2]), 3)
  20
  21 def test_main(verbose=None):
  22     test_support.run_unittest(ListTest)
  23
  24     # verify reference counting
  25     import sys
  26     if verbose and hasattr(sys, "gettotalrefcount"):
  27         import gc
  28         counts = [None] * 5
  29         for i in xrange(len(counts)):
  30             test_support.run_unittest(ListTest)
  31             gc.collect()
  32             counts[i] = sys.gettotalrefcount()
  33         print counts
  34
  35
  36 if __name__ == "__main__":
  37     test_main(verbose=True)