/**
  * Test method for {@link
  * net.hyperadapt.pxweave.interpreter.test.OperationInterpreter#interpreteReduceContent(org.w3c.dom.NodeList,
  * java.lang.String)} .
  *
  * @throws XMLWeaverException
  */
 @Test
 public void testInterpreteReduceContent() throws XMLWeaverException {
   final NodeList joinPoints =
       xPathEvaluator.evaluateXPath("//books:book/books:publisher", document);
   oInterpreter.interpreteReduceContent(joinPoints, "Media");
   assertTrue("", joinPoints.item(0).getFirstChild().getNodeValue().contentEquals("VVM"));
   oInterpreter.interpreteReduceContent(joinPoints, "");
   assertTrue("no textNode should be left", joinPoints.item(0).getChildNodes().getLength() == 0);
   oInterpreter.interpreteReduceContent(joinPoints, null);
   assertTrue("no textNode should be left", joinPoints.item(0).getChildNodes().getLength() == 0);
 }