'test timedelta conversion'

def test_timedelta(self):

    conn = self.connections[0]
    c = conn.cursor()
    c.execute("select    time('12:30'),    time('23:12:59'),    time('23:12:59.05100'),    time('-12:30'),    time('-23:12:59'),    time('-23:12:59.05100'),    time('-00:30')")
    self.assertEqual((datetime.timedelta(0, 45000), datetime.timedelta(0, 83579), datetime.timedelta(0, 83579, 51000), (- datetime.timedelta(0, 45000)), (- datetime.timedelta(0, 83579)), (- datetime.timedelta(0, 83579, 51000)), (- datetime.timedelta(0, 1800))), c.fetchone())
