def test_is_finished(self):
     executor = SimplexExecutor()
     finished = executor.is_finished(
         np.array([[1.0, 0], [1.0, 0], [1.0, 0]]),  # vertices
         np.array([1, 1, 1]),  # vertex ranks
         2,  # reflection rank
         2,  # expansion rank
         2,  # contraction rank
     )
     self.assertTrue(finished)