def METHOD_NAME(self):
    """
    Test :func:`colour.temperature.planck1900.uv_to_CCT_Planck1900`
    definition.
    """
    np.testing.assert_allclose(
        uv_to_CCT_Planck1900(
            np.array([0.225109670227493, 0.334387366663923]),
            optimisation_kwargs={"method": "Nelder-Mead"},
        ),
        4000,
        rtol=0.0000001,
        atol=0.0000001,
    )
    np.testing.assert_allclose(
        uv_to_CCT_Planck1900(
            np.array([0.198126929048352, 0.307025980523306]),
            optimisation_kwargs={"method": "Nelder-Mead"},
        ),
        7000,
        rtol=0.0000001,
        atol=0.0000001,
    )
    np.testing.assert_allclose(
        uv_to_CCT_Planck1900(
            np.array([0.182932683590136, 0.274073232217536]),
            optimisation_kwargs={"method": "Nelder-Mead"},
        ),
        25000,
        rtol=0.0000001,
        atol=0.0000001,
    )