def METHOD_NAME(self):
    """
    Test :func:`colour.models.icacb.XYZ_to_ICaCb` definition
    n-dimensional support.
    """
    XYZ = np.array([0.20654008, 0.12197225, 0.05136952])
    ICaCb = XYZ_to_ICaCb(XYZ)
    XYZ = np.tile(XYZ, (6, 1))
    ICaCb = np.tile(ICaCb, (6, 1))
    np.testing.assert_array_almost_equal(
        XYZ_to_ICaCb(XYZ), ICaCb, decimal=7
    )
    XYZ = np.reshape(XYZ, (2, 3, 3))
    ICaCb = np.reshape(ICaCb, (2, 3, 3))
    np.testing.assert_array_almost_equal(
        XYZ_to_ICaCb(XYZ), ICaCb, decimal=7
    )