def METHOD_NAME(ph_nacl_nofcsym: Phonopy):
    """Test projected DOS with tetrahedron method."""
    phonon = ph_nacl_nofcsym
    phonon.run_mesh([5, 5, 5], is_mesh_symmetry=False, with_eigenvectors=True)
    phonon.run_projected_dos(freq_pitch=1, use_tetrahedron_method=True)
    pdos = phonon.projected_dos.projected_dos
    freqs = phonon.projected_dos.frequency_points
    data_ref = np.reshape([float(x) for x in pdos_thm_str.split()], (-1, 3)).T
    np.testing.assert_allclose(data_ref, np.vstack([freqs, pdos]), atol=1e-5)
    # for f, d in zip(freqs, pdos.T):
    #     print(("%f" + " %f" * len(d)) % ((f, ) + tuple(d)))