libsbml.Reaction.addModifier C# (CSharp) Method

        public int addModifier(Species species, string id)
        {
            int ret = libsbmlPINVOKE.Reaction_addModifier__SWIG_1(swigCPtr, Species.getCPtr(species), id);
            return ret;
        }

 public void test_SpeciesReference_Modifier_parent_add()
 {
     ModifierSpeciesReference sr = new ModifierSpeciesReference(2,4);
       sr.setSpecies("s");
       Reaction r = new Reaction(2,4);
       r.addModifier(sr);
       sr = null;
       ListOf lo = r.getListOfModifiers();
       assertTrue( lo == r.getModifier(0).getParentSBMLObject() );
       assertTrue( r == lo.getParentSBMLObject() );
 }