import subprocess
import sys
import unittest
from test import support

class InvalidUTF8CharactersFromCommandLineTestCase(unittest.TestCase):

    def test_running_python_with_invalid_utf8_characters_passed_from_command_line(self):
        rc = subprocess.call(["python3.1", "-c", b"'\x80'"])
        self.assertEqual(rc, 1)

def test_main():
    support.run_unittest(InvalidUTF8CharactersFromCommandLineTestCase)

if __name__ == "__main__":
    test_main()