Lib/test/test_future_builtins.py

   1 import test.test_support, unittest
   2
   3 # we're testing the behavior of these future builtins:
   4 from future_builtins import hex, oct, map, zip, filter
   5
   6 class BuiltinTest(unittest.TestCase):
   7     def test_hex(self):
   8         self.assertEqual(hex(0), '0x0')
   9         self.assertEqual(hex(16), '0x10')
  10         self.assertEqual(hex(16L), '0x10')
  11         self.assertEqual(hex(-16), '-0x10')
  12         self.assertEqual(hex(-16L), '-0x10')
  13         self.assertRaises(TypeError, hex, {})
  14
  15     def test_oct(self):
  16         self.assertEqual(oct(0), '0o0')
  17         self.assertEqual(oct(100), '0o144')
  18         self.assertEqual(oct(100L), '0o144')
  19         self.assertEqual(oct(-100), '-0o144')
  20         self.assertEqual(oct(-100L), '-0o144')
  21         self.assertRaises(TypeError, oct, ())
  22
  23     def test_itertools(self):
  24         from itertools import imap, izip, ifilter
  25         # We will assume that the itertools functions work, so provided
  26         # that we've got identical coppies, we will work!
  27         self.assertEqual(map, imap)
  28         self.assertEqual(zip, izip)
  29         self.assertEqual(filter, ifilter)
  30         # Testing that filter(None, stuff) raises a warning lives in
  31         # test_py3kwarn.py
  32
  33
  34 def test_main(verbose=None):
  35     test.test_support.run_unittest(BuiltinTest)
  36
  37 if __name__ == "__main__":
  38     test_main(verbose=True)