231         orig = calendar.firstweekday()
233         self.assertEqual(calendar.firstweekday(), calendar.SUNDAY)
235         self.assertEqual(calendar.firstweekday(), calendar.MONDAY)
295         for firstweekday in range(7):
296             cal = calendar.Calendar(firstweekday)
302         cal = calendar.Calendar(firstweekday=3)
307         for firstweekday in range(7):
308             cal = calendar.Calendar(firstweekday)
312                 self.assertEqual(days[0][1], firstweekday)
313                 self.assertEqual(days[-1][1], (firstweekday - 1) % 7)
318         self.oldfirstweekday = calendar.firstweekday()
319         calendar.setfirstweekday(self.firstweekday)
332     firstweekday = calendar.MONDAY  variable in MondayTestCase
390     firstweekday = calendar.SUNDAY  variable in SundayTestCase