def test_overlaps_zero_duration(self):
"""Test the `_overlaps` function for intervals with duration zero."""
a = 0
b = 1
self.assertFalse(_overlaps((a, a), (a, a)))
self.assertFalse(_overlaps((a, a), (a, b)))
self.assertFalse(_overlaps((a, b), (a, a)))
self.assertFalse(_overlaps((a, b), (b, b)))
self.assertFalse(_overlaps((b, b), (a, b)))
self.assertTrue(_overlaps((a, a + 2), (a + 1, a + 1)))
self.assertTrue(_overlaps((a + 1, a + 1), (a, a + 2)))
def test_overlaps(self):
"""Test the `_overlaps` function."""
a = (0, 1)
b = (1, 4)
c = (2, 3)
d = (3, 5)
self.assertFalse(_overlaps(a, b))
self.assertFalse(_overlaps(b, a))
self.assertFalse(_overlaps(a, d))
self.assertTrue(_overlaps(b, c))
self.assertTrue(_overlaps(c, b))
self.assertTrue(_overlaps(b, d))
self.assertTrue(_overlaps(d, b))
def test_overlaps(self):
"""Test the `_overlaps` function."""
# pylint: disable=invalid-name
a = (0, 1)
b = (1, 4)
c = (2, 3)
d = (3, 5)
self.assertFalse(_overlaps(a, b))
self.assertFalse(_overlaps(b, a))
self.assertFalse(_overlaps(a, d))
self.assertTrue(_overlaps(b, c))
self.assertTrue(_overlaps(c, b))
self.assertTrue(_overlaps(b, d))
self.assertTrue(_overlaps(d, b))
