test_calendar.py 文件源码

def test_days(self):
        for attr in "day_name", "day_abbr":
            value = getattr(calendar, attr)
            self.assertEqual(len(value), 7)
            self.assertEqual(len(value[:]), 7)
            # ensure they're all unique
            self.assertEqual(len(set(value)), 7)
            # verify it "acts like a sequence" in two forms of iteration
            self.assertEqual(value[::-1], list(reversed(value)))