public void test_RunSteadyStateCalculation_Newton() {
   HashMap<String, Object> problemParameters = new HashMap<String, Object>();
   problemParameters.put("JacobianRequested", new Boolean(true));
   problemParameters.put("StabilityAnalysisRequested", new Boolean(true));
   // iteration limit
   // tolerance
   HashMap<String, Object> methodParameters = new HashMap<String, Object>();
   methodParameters.put("Resolution", new Double(1e-9));
   methodParameters.put("Derivation Factor", new Double(1e-3));
   methodParameters.put("Use Newton", new Boolean(true));
   methodParameters.put("Use Integration", new Boolean(false));
   methodParameters.put("Use Back Integration", new Boolean(false));
   methodParameters.put("Accept Negative Concentrations", new Boolean(false));
   methodParameters.put("Iteration Limit", new Integer(50));
   // objective function
   CSteadyStateTask steadyStateTask =
       runSteadyStateCalculation(mDataModel, problemParameters, methodParameters);
   assertFalse(steadyStateTask == null);
   assertTrue(steadyStateTask.getResult() == CSteadyStateMethod.foundEquilibrium);
   CEigen eigenvalues = steadyStateTask.getEigenValues();
   assertFalse(eigenvalues == null);
   assertTrue(eigenvalues.getMaxrealpart() <= 0.0);
   assertTrue(eigenvalues.getNnegreal() + eigenvalues.getNreal() == eigenvalues.getR().size());
 }