507         orig = calendar.firstweekday()
509         self.assertEqual(calendar.firstweekday(), calendar.SUNDAY)
511         self.assertEqual(calendar.firstweekday(), calendar.MONDAY)
572         cal = calendar.Calendar(firstweekday=3)
578         for firstweekday in range(7):
579             cal = calendar.Calendar(firstweekday)
585         cal = calendar.Calendar(firstweekday=3)
590         for firstweekday in range(7):
591             cal = calendar.Calendar(firstweekday)
595                 self.assertEqual(days[0][1], firstweekday)
596                 self.assertEqual(days[-1][1], (firstweekday - 1) % 7)
601         self.oldfirstweekday = calendar.firstweekday()
602         calendar.setfirstweekday(self.firstweekday)
615     firstweekday = calendar.MONDAY  variable in MondayTestCase
673     firstweekday = calendar.SUNDAY  variable in SundayTestCase