libsbmlcs.UnitDefinition.isVariantOfSubstancePerTime C# (CSharp) Method

        public bool isVariantOfSubstancePerTime()
        {
            bool ret = libsbmlPINVOKE.UnitDefinition_isVariantOfSubstancePerTime(swigCPtr);
            return ret;
        }

 public void test_UnitDefinition_isVariantOfSubstancePerTime_4()
 {
     UnitDefinition ud = new  UnitDefinition(2,2);
       Unit dim = ud.createUnit();
       dim.setKind(libsbml.UnitKind_forName("dimensionless"));
       Unit perTime = ud.createUnit();
       perTime.setKind(libsbml.UnitKind_forName("second"));
       perTime.setExponent(-1);
       Unit u = ud.createUnit();
       assertEquals( false, ud.isVariantOfSubstancePerTime() );
       u.setKind(libsbml.UNIT_KIND_KILOGRAM);
       u.setExponent(1);
       assertEquals( true, ud.isVariantOfSubstancePerTime() );
       u.setScale(-1);
       perTime.setScale(-1);
       assertEquals( true, ud.isVariantOfSubstancePerTime() );
       u.setMultiplier(2);
       assertEquals( true, ud.isVariantOfSubstancePerTime() );
       u.setOffset(3);
       assertEquals( true, ud.isVariantOfSubstancePerTime() );
       u.setExponent(-3);
       assertEquals( false, ud.isVariantOfSubstancePerTime() );
       u.setExponent(1);
       perTime.setExponent(-3);
       assertEquals( false, ud.isVariantOfSubstancePerTime() );
       perTime.setExponent(-1);
       ud.addUnit(dim);
       assertEquals( true, ud.isVariantOfSubstancePerTime() );
       ud = null;
 }