code: def testZero(self):
      # generate test signal
      signalSize = 10 * self.params["frameSize"]
      signal = zeros(signalSize)
  
      [mags, freqs, phases] = analSineModelStreaming(
          self.params, signal
      )
  
      # compare
      zerofreqs = numpy.zeros(freqs.shape)
      self.assertAlmostEqualMatrix(freqs, zerofreqs)
  
file_path: essentia/test/src/unittests/synthesis/test_sinemodel_streaming.py
imports: from essentia_test import *
  import math
  import essentia
  import essentia.streaming
  import essentia.standard
label_desc: Use image node_id 1 for calling the TestSineModel obj's underlying member method code with example usage: obj.testZero() without return types