libsbml.Model.addReaction C# (CSharp) Method

        public int addReaction(Reaction r)
        {
            int ret = libsbmlPINVOKE.Model_addReaction(swigCPtr, Reaction.getCPtr(r));
            return ret;
        }

 public void test_Model_addReaction5()
 {
     Model m = new  Model(2,2);
       Reaction r = new  Reaction(2,2);
       r.setId( "r");
       Reaction r1 = new  Reaction(2,2);
       r1.setId( "r");
       int i = m.addReaction(r);
       assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
       assertTrue( m.getNumReactions() == 1 );
       i = m.addReaction(r1);
       assertTrue( i == libsbml.LIBSBML_DUPLICATE_OBJECT_ID );
       assertTrue( m.getNumReactions() == 1 );
       r = null;
       r1 = null;
       m = null;
 }