code: def test_vector_created_with_zeroes(self):
      a = cvec(10)
      assert_equal(a.norm.shape[0], 10 // 2 + 1)
      assert_equal(a.phas.shape[0], 10 // 2 + 1)
      assert_equal(a.norm, 0.0)
      assert_equal(a.phas, 0.0)
  
imports: import numpy
  from numpy.testing import TestCase, assert_equal
  from aubio import cvec, fvec, float_type
label_desc: Use image node_id 1 for calling the aubio_cvec_test_case obj's underlying member method code with example usage: obj.test_vector_created_with_zeroes() without return types