docstr: Test Farray __len__ method
docstr_tok: ["Test","Farray","__len__","method"]
code: def testLen(self):
      "Test Farray __len__ method"
      self.assertTrue(len(self.array) == self.nrows * self.ncols)
  
imports: from distutils.util import get_platform
  import os
  import sys
  import unittest
  import numpy
  import Farray
label_desc: Use image node_id 8 for calling the FarrayTestCase obj's underlying member method code with example usage: obj.testLen() without return types