code: def testZero(self):
      tempotap = TempoTap()
  
      periodEstimates = []
      phaseEstimates = []
  
      for i in range(1300):
          periods, phases = tempotap(zeros(12))
  
          periodEstimates += list(periods)
          phaseEstimates += list(phases)
  
      self.assert_(all(array(periodEstimates) == 0))
      # WTF?? that should probably raise an exception or sth...
      self.assert_(all(array(phaseEstimates) == -1))
  
file_path: essentia/test/src/unittests/rhythm/test_tempotap.py
imports: from essentia_test import *
  import math
label_desc: Use image node_id 5 for calling the TestTempoTap obj's underlying member method code with example usage: obj.testZero() without return types