Home | History | Annotate | Download | only in test 
      1 from test.test_support import run_unittest, check_py3k_warnings
      2 import unittest
      3 
      4 class TestImplementationComparisons(unittest.TestCase):
      5 
      6     def test_type_comparisons(self):
      7         self.assertTrue(str < int or str > int)
      8         self.assertTrue(int <= str or int >= str)
      9         self.assertTrue(cmp(int, str) != 0)
     10         self.assertTrue(int is int)
     11         self.assertTrue(str == str)
     12         self.assertTrue(int != str)
     13 
     14     def test_cell_comparisons(self):
     15         def f(x):
     16             if x:
     17                 y = 1
     18             def g():
     19                 return x
     20             def h():
     21                 return y
     22             return g, h
     23         g, h = f(0)
     24         g_cell, = g.func_closure
     25         h_cell, = h.func_closure
     26         self.assertTrue(h_cell < g_cell)
     27         self.assertTrue(g_cell >= h_cell)
     28         self.assertEqual(cmp(g_cell, h_cell), 1)
     29         self.assertTrue(g_cell is g_cell)
     30         self.assertTrue(g_cell == g_cell)
     31         self.assertTrue(h_cell == h_cell)
     32         self.assertTrue(g_cell != h_cell)
     33 
     34 def test_main():
     35     with check_py3k_warnings():
     36         run_unittest(TestImplementationComparisons)
     37 
     38 if __name__ == '__main__':
     39     test_main()
     40