cpython/Lib/test/test_imaplib.py

import imaplib
import time

from test import test_support
import unittest


class TestImaplib(unittest.TestCase):
    def test_that_Time2Internaldate_returns_a_result(self):
        # We can check only that it successfully produces a result,
        # not the correctness of the result itself, since the result
        # depends on the timezone the machine is in.
        timevalues = [2000000000, 2000000000.0, time.localtime(2000000000),
                      '"18-May-2033 05:33:20 +0200"']

        for t in timevalues:
            imaplib.Time2Internaldate(t)


def test_main():
    test_support.run_unittest(TestImaplib)


if __name__ == "__main__":
    unittest.main()