public virtual void TestNotIdentity()
        {
            IQuery q = NewQuery();

            q.Constrain(new Db4objects.Db4o.Tests.Common.Soda.Classes.Simple.STIntegerTestCase
                            (1));
            IObjectSet set = q.Execute();

            Db4objects.Db4o.Tests.Common.Soda.Classes.Simple.STIntegerTestCase identityConstraint
                = (Db4objects.Db4o.Tests.Common.Soda.Classes.Simple.STIntegerTestCase)set.Next(
                      );
            identityConstraint.i_int = 9080;
            q = NewQuery();
            q.Constrain(identityConstraint).Identity().Not();
            identityConstraint.i_int = 1;
            Expect(q, new int[] { 0, 2, 3 });
        }
        public virtual void TestIdentity()
        {
            IQuery q = NewQuery();

            q.Constrain(new Db4objects.Db4o.Tests.Common.Soda.Classes.Simple.STIntegerTestCase
                            (1));
            IObjectSet set = q.Execute();

            Db4objects.Db4o.Tests.Common.Soda.Classes.Simple.STIntegerTestCase identityConstraint
                = (Db4objects.Db4o.Tests.Common.Soda.Classes.Simple.STIntegerTestCase)set.Next(
                      );
            identityConstraint.i_int = 9999;
            q = NewQuery();
            q.Constrain(identityConstraint).Identity();
            identityConstraint.i_int = 1;
            SodaTestUtil.ExpectOne(q, _array[1]);
        }