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