text: #!/usr/bin/python -u
  import sys
  
  import libxml2
  
  # Memory debug specific
  libxml2.debugMemory(1)
  
  #
  # Testing XML Node comparison and Node hash-value
  #
  doc = libxml2.parseDoc("""<root><foo/></root>""")
  root = doc.getRootElement()
  
  # Create two different objects which point to foo
  foonode1 = root.children
  foonode2 = root.children
  
  # Now check that [in]equality tests work ok
  if not ( foonode1 == foonode2 ):
      print("Error comparing nodes with ==, nodes should be equal but are unequal")
      sys.exit(1)
  if not ( foonode1 != root ):
      print("Error comparing nodes with ==, nodes should not be equal but are equal")
      sys.exit(1)
  if not ( foonode1 != root ):
      print("Error comparing nodes with !=, nodes should not be equal but are equal")
  if ( foonode1 != foonode2 ):
      print("Error comparing nodes with !=, nodes should be equal but are unequal")
  
  # Next check that the hash function for the objects also works ok
  if not (hash(foonode1) == hash(foonode2)):
      print("Error hash values for two equal nodes are different")
      sys.exit(1)
  if not (hash(foonode1) != hash(root)):
      print("Error hash values for two unequal nodes are not different")
      sys.exit(1)
  if hash(foonode1) == hash(root):
      print("Error hash values for two unequal nodes are equal")
      sys.exit(1)
  
  # Basic tests successful
  doc.freeDoc()
  
  # Memory debug specific
  libxml2.cleanupParser()
  if libxml2.debugMemory(1) == 0:
      print("OK")
  else:
      print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
      libxml2.dumpMemory()
  