code: def testZero(self):
      inputSize = 1024
      input = [0] * inputSize
      pdetect = PeakDetection()
      (posis, vals) = pdetect(input)
      self.assert_(len(posis) == 0)
      self.assert_(len(vals) == 0)
  
imports: from essentia_test import *
label_desc: Use image node_id 15 for calling the TestPeakDetection obj's underlying member method code with example usage: obj.testZero() without return types