code: def testZeroes(self):
      inputValues = [0, 0, 0]
      outputValues = [None, 0, 0]
      roc_ = self.__buildROC(inputValues, 1)
      for i in xrange(len(inputValues)):
          self.assertEqual(roc_[i], outputValues[i])
  
file_path: pyalgotrade/testcases/technical_roc_test.py
imports: from six.moves import xrange
  from .None import common
  from pyalgotrade.technical import roc
  from pyalgotrade import dataseries
label_desc: Use image node_id 5 for calling the ROCTestCase obj's underlying member method code with example usage: obj.testZeroes() without return types