def METHOD_NAME(self):
    """
    Test :func:`colour.difference.din99.delta_E_DIN99` definition
    n-dimensional arrays support.
    """
    Lab_1 = np.array([60.25740000, -34.00990000, 36.26770000])
    Lab_2 = np.array([60.46260000, -34.17510000, 39.43870000])
    delta_E = delta_E_DIN99(Lab_1, Lab_2)
    Lab_1 = np.tile(Lab_1, (6, 1))
    Lab_2 = np.tile(Lab_2, (6, 1))
    delta_E = np.tile(delta_E, 6)
    np.testing.assert_array_almost_equal(
        delta_E_DIN99(Lab_1, Lab_2), delta_E, decimal=7
    )
    Lab_1 = np.reshape(Lab_1, (2, 3, 3))
    Lab_2 = np.reshape(Lab_2, (2, 3, 3))
    delta_E = np.reshape(delta_E, (2, 3))
    np.testing.assert_array_almost_equal(
        delta_E_DIN99(Lab_1, Lab_2), delta_E, decimal=7
    )