"""

Test the internal getargs.c implementation

 PyArg_ParseTuple() is defined here.

The test here is not intended to test all of the module, just the

single case that failed between 2.1 and 2.2a2.

"""

# marshal.loads() uses PyArg_ParseTuple(args, "s#:loads")

# The s code will cause a Unicode conversion to occur.  This test

# verify that the error is propagated properly from the C code back to

# Python.

import marshal

import unittest

from test import test_support

class GetArgsTest(unittest.TestCase):

    # If the encoding succeeds using the current default encoding,

    # this test will fail because it does not test the right part of the

    # PyArg_ParseTuple() implementation.

    def test_with_marshal(self):

        if not test_support.have_unicode:

            return

        arg = unicode(r'\222', 'unicode-escape')

        self.assertRaises(UnicodeError, marshal.loads, arg)

def test_main():

    test_support.run_unittest(GetArgsTest)

if __name__ == '__main__':

    test_main()