def METHOD_NAME(self):
    """
    Test :func:`colour.adaptation.cie1994.chromatic_adaptation_CIE1994`
    definition nan support.
    """
    cases = [-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]
    cases = np.array(list(set(product(cases, repeat=3))))
    chromatic_adaptation_CIE1994(
        cases,
        cases[..., 0:2],
        cases[..., 0:2],
        cases[..., 0],
        cases[..., 0],
        cases[..., 0],
    )