def test_empty(self):
interval_1 = Interval(1, 3, is_start_inclusive=True) # [1, 3)
interval_2 = Interval(0, 1) # (0, 1)
intersection = Interval.intersection(interval_1, interval_2) # Empty
self.assertEqual(intersection, None)
def test_single_point(self):
interval_1 = Interval(1, 3, is_start_inclusive=True) # [1, 3)
interval_2 = Interval(0, 1, is_end_inclusive=True) # (0, 1]
intersection = Interval.intersection(interval_1, interval_2) # {1}
self.assertEqual(intersection.start, 1)
self.assertEqual(intersection.end, 1)
self.assertTrue(intersection.is_start_inclusive)
self.assertTrue(intersection.is_end_inclusive)
def test_ordinary(self):
interval_1 = Interval(1, 3, is_end_inclusive=True) # (1, 3]
interval_2 = Interval(2, 5) # (2, 5)
intersection = Interval.intersection(interval_1, interval_2) # (2, 3]
self.assertEqual(intersection.start, 2)
self.assertEqual(intersection.end, 3)
self.assertFalse(intersection.is_start_inclusive)
self.assertTrue(intersection.is_end_inclusive)