def test_deepcopy_subset(adata, spmat: type):
    adata.obsp["arr"] = np.zeros((adata.n_obs, adata.n_obs))
    adata.obsp["spmat"] = spmat((adata.n_obs, adata.n_obs))

    adata = deepcopy(adata[:10].copy())

    assert isinstance(adata.obsp["arr"], np.ndarray)
    assert not isinstance(adata.obsp["arr"], ArrayView)
    np.testing.assert_array_equal(adata.obsp["arr"].shape, (10, 10))

    assert isinstance(adata.obsp["spmat"], spmat)
    assert not isinstance(
        adata.obsp["spmat"],
        SparseCSRView if spmat is sparse.csr_matrix else SparseCSCView,
    )
    np.testing.assert_array_equal(adata.obsp["spmat"].shape, (10, 10))
def test():
    frame = Frame()
    frame.pack(fill=BOTH, expand=YES)
    if os.name == "nt":
        # Set default font for all widgets; use Windows typical default
        frame.option_add("*font", "Tahoma 8")
    # The editors
    entry = DiacriticalEntry(frame)
    entry.pack(fill=BOTH, expand=YES)
    text = DiacriticalText(frame, width=76, height=25, wrap=WORD)
    if os.name == "nt":
        # But this looks better than the default set above
        text.config(font="Arial 10")
    text.pack(fill=BOTH, expand=YES)
    text.focus()
    frame.master.title("Diacritical Editor")
    frame.mainloop()