Lib/test/test_getargs.py

   1 """
   2 Test the internal getargs.c implementation
   3
   4  PyArg_ParseTuple() is defined here.
   5
   6 The test here is not intended to test all of the module, just the
   7 single case that failed between 2.1 and 2.2a2.
   8 """
   9
  10 # marshal.loads() uses PyArg_ParseTuple(args, "s#:loads")
  11 # The s code will cause a Unicode conversion to occur.  This test
  12 # verify that the error is propagated properly from the C code back to
  13 # Python.
  14
  15 import marshal
  16 import unittest
  17 from test import test_support
  18
  19 class GetArgsTest(unittest.TestCase):
  20     # If the encoding succeeds using the current default encoding,
  21     # this test will fail because it does not test the right part of the
  22     # PyArg_ParseTuple() implementation.
  23     def test_with_marshal(self):
  24         if not test_support.have_unicode:
  25             return
  26
  27         arg = unicode(r'\222', 'unicode-escape')
  28         self.assertRaises(UnicodeError, marshal.loads, arg)
  29
  30 def test_main():
  31     test_support.run_unittest(GetArgsTest)
  32
  33 if __name__ == '__main__':
  34     test_main()