/Lib/test/test_undocumented_details.py

http://unladen-swallow.googlecode.com/ · Python · 39 lines · 34 code · 5 blank · 0 comment · 4 complexity · 2172acccfc69834d45985814d2ed8749 MD5 · raw file

  1. from test.test_support import run_unittest, have_unicode
  2. import unittest
  3. import sys
  4. class TestImplementationComparisons(unittest.TestCase):
  5. def test_type_comparisons(self):
  6. self.assertTrue(str < int or str > int)
  7. self.assertTrue(int <= str or int >= str)
  8. self.assertTrue(cmp(int, str) != 0)
  9. self.assertTrue(int is int)
  10. self.assertTrue(str == str)
  11. self.assertTrue(int != str)
  12. def test_cell_comparisons(self):
  13. def f(x):
  14. if x:
  15. y = 1
  16. def g():
  17. return x
  18. def h():
  19. return y
  20. return g, h
  21. g, h = f(0)
  22. g_cell, = g.func_closure
  23. h_cell, = h.func_closure
  24. self.assertTrue(h_cell < g_cell)
  25. self.assertTrue(g_cell >= h_cell)
  26. self.assertEqual(cmp(g_cell, h_cell), 1)
  27. self.assertTrue(g_cell is g_cell)
  28. self.assertTrue(g_cell == g_cell)
  29. self.assertTrue(h_cell == h_cell)
  30. self.assertTrue(g_cell != h_cell)
  31. def test_main():
  32. run_unittest(TestImplementationComparisons)
  33. if __name__ == '__main__':
  34. test_main()