def test_cut(self):
""" Test cut. """
img = CImg((100, 100))
img.rand(-10, 10)
img.cut(0, 1)
max_val, min_val = img.max_min()
self.assertEqual(max_val, 1)
self.assertEqual(min_val, 0)
def test_max_min(self):
""" Test max_min. """
img = CImg(np.array([[2, -1], [0, 4]]))
self.assertEqual(img.max_min(), (4, -1))