libsbml.Reaction.getReactant C# (CSharp) Method

        public SpeciesReference getReactant(long n)
        {
            IntPtr cPtr = libsbmlPINVOKE.Reaction_getReactant__SWIG_0(swigCPtr, n);
            SpeciesReference ret = (cPtr == IntPtr.Zero) ? null : new SpeciesReference(cPtr, false);
            return ret;
        }

 public void test_SpeciesReference_Reactant_parent_create()
 {
     Reaction r = new Reaction(2,4);
       SpeciesReference sr = r.createReactant();
       ListOf lo = r.getListOfReactants();
       assertTrue( lo == r.getReactant(0).getParentSBMLObject() );
       assertTrue( lo == sr.getParentSBMLObject() );
       assertTrue( r == lo.getParentSBMLObject() );
 }