libsbml.SpeciesReference.createStoichiometryMath C# (CSharp) Method

        public StoichiometryMath createStoichiometryMath()
        {
            IntPtr cPtr = libsbmlPINVOKE.SpeciesReference_createStoichiometryMath(swigCPtr);
            StoichiometryMath ret = (cPtr == IntPtr.Zero) ? null : new StoichiometryMath(cPtr, false);
            return ret;
        }

 public void test_StoichiometryMath_ancestor_create()
 {
     SpeciesReference sr = new SpeciesReference(2,4);
       StoichiometryMath sm = sr.createStoichiometryMath();
       assertTrue( sm.getAncestorOfType(libsbml.SBML_SPECIES_REFERENCE) == sr );
       assertTrue( sm.getAncestorOfType(libsbml.SBML_DOCUMENT) == null );
       assertTrue( sm.getAncestorOfType(libsbml.SBML_COMPARTMENT) == null );
       StoichiometryMath obj = sr.getStoichiometryMath();
       assertTrue( obj.getAncestorOfType(libsbml.SBML_SPECIES_REFERENCE) == sr );
       assertTrue( obj.getAncestorOfType(libsbml.SBML_DOCUMENT) == null );
       assertTrue( obj.getAncestorOfType(libsbml.SBML_COMPARTMENT) == null );
 }