docstr: check members are set correctly 
docstr_tok: ["check","members","are","set","correctly"]
code: def test_members(self):
      """check members are set correctly"""
      win_s = 2048
      f = fft(win_s)
      assert_equal(f.win_s, win_s)
  
imports: from numpy.testing import TestCase
  from numpy.testing import assert_equal, assert_almost_equal
  import numpy
  from aubio import fvec, fft, cvec
  from math import pi, floor
  from random import random
label_desc: Use image node_id 1 for calling the aubio_fft_test_case obj's underlying member method code with example usage: obj.test_members() without return types