libsbml.UnitDefinition.addUnit C# (CSharp) Method

        public int addUnit(Unit u)
        {
            int ret = libsbmlPINVOKE.UnitDefinition_addUnit(swigCPtr, Unit.getCPtr(u));
            return ret;
        }

 public void test_UnitDefinition_addUnit1()
 {
     UnitDefinition m = new  UnitDefinition(2,2);
       Unit p = new  Unit(2,2);
       int i = m.addUnit(p);
       assertTrue( i == libsbml.LIBSBML_INVALID_OBJECT );
       p.setKind(libsbml.UNIT_KIND_MOLE);
       i = m.addUnit(p);
       assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
       assertTrue( m.getNumUnits() == 1 );
       p = null;
       m = null;
 }