def METHOD_NAME(par):
    """Dot-test and inverse for Sliding1D operator"""
    Op = MatrixMult(np.ones((par["nwiny"], par["ny"])))
    nwins, dim, mwin_inends, dwin_inends = sliding1d_design(
        par["npy"], par["nwiny"], par["novery"], par["ny"]
    )
    Slid = Sliding1D(
        Op,
        dim=dim,
        dimd=par["npy"],
        nwin=par["nwiny"],
        nover=par["novery"],
        tapertype=par["tapertype"],
    )
    assert dottest(Slid, par["npy"], par["ny"] * nwins)
    x = np.ones(par["ny"] * nwins)
    y = Slid * x.ravel()
    xinv = Slid / y
    assert_array_almost_equal(x.ravel(), xinv)