docstr: Test Farray asString method
docstr_tok: ["Test","Farray","asString","method"]
code: def testAsString(self):
      "Test Farray asString method"
      result = """\
  [ [ 0, 1, 2, 3 ],
    [ 1, 2, 3, 4 ],
    [ 2, 3, 4, 5 ],
    [ 3, 4, 5, 6 ],
    [ 4, 5, 6, 7 ] ]
  """
      for i in range(self.nrows):
          for j in range(self.ncols):
              self.array[i, j] = i + j
      self.assertTrue(self.array.asString() == result)
  
imports: from distutils.util import get_platform
  import os
  import sys
  import unittest
  import numpy
  import Farray
label_desc: Use image node_id 18 for calling the FarrayTestCase obj's underlying member method code with example usage: obj.testAsString() without return types