code: def testZero(self):
      # Test different input sizes.
      size = 200000  # apx. 4.5s @ 44.1kHz
      while size > 1000:
          self.assertEqualVector(
              self.InitStartStopCut()(esarr(numpy.zeros(size))), (0, 0)
          )
          size //= 2
  
file_path: essentia/test/src/unittests/audioproblems/test_startstopcut.py
imports: from essentia_test import *
  from essentia import array
label_desc: Use image node_id 2 for calling the TestStartStopCut obj's underlying member method code with example usage: obj.testZero() without return types