def test_startsAt(self): """Span startsAt should return True if input matches""" e, f = self.empty, self.full s = Span(30, 1000) self.assertTrue(e.startsAt(0)) self.assertTrue(f.startsAt(30)) self.assertTrue(s.startsAt(30)) self.assertTrue(f.startsAt(s)) self.assertTrue(s.startsAt(f)) self.assertFalse(e.startsAt(f)) self.assertFalse(e.startsAt(-1)) self.assertFalse(e.startsAt(1)) self.assertFalse(f.startsAt(29))