public class ORMUnitTestCase extends BaseCoreFunctionalTestCase {

	// Add your entities here.
	@Override
	protected Class[] getAnnotatedClasses() {
		return new Class[]{
				Parent.class,
				Child.class
		};
	}

	// Add in any settings that are specific to your test.  See resources/hibernate.properties for the defaults.
	@Override
	protected void configure(Configuration configuration) {
		super.configure(configuration);

		configuration.setProperty(AvailableSettings.SHOW_SQL, Boolean.TRUE.toString());
		configuration.setProperty(AvailableSettings.FORMAT_SQL, Boolean.TRUE.toString());
		//configuration.setProperty( AvailableSettings.GENERATE_STATISTICS, "true" );
	}

	@Test
	public void hhh12999Tuple() throws Exception {
		// BaseCoreFunctionalTestCase automatically creates the SessionFactory and provides the Session.
		Session s = openSession();
		Transaction tx = s.beginTransaction();


		Parent parentWithoutChild = new Parent();
		parentWithoutChild.setId( 1L );

		Parent parentWithChild = new Parent();
		parentWithChild.setId( 2L );
		Child child = new Child();
		child.id = 123L;
		parentWithChild.setChild(child);

		s.persist(parentWithChild.getChild());
		s.persist(parentWithChild);
		s.persist(parentWithoutChild);

		s.flush();

		CriteriaBuilder cb = s.getCriteriaBuilder();

		CriteriaQuery<Tuple> cq = cb.createQuery( Tuple.class );
		Root<Parent> parentRoot = cq.from( Parent.class );
		cq.multiselect( parentRoot.get( "id" ), parentRoot.get( "child" ) );

		TypedQuery<Tuple> typedQuery = s.createQuery( cq );
		List<Tuple> result = typedQuery.getResultList();

		assertEquals(2L, result.get( 0 ).get( 0 ));
		Child childEntity = (Child) result.get( 0 ).get( 1 );

		assertEquals(123L, (long) childEntity.id);

		tx.rollback();
		s.close();
	}

	@Entity(name = "Child")
	public static class Child {

		@Id
		Long id;

	}
	
	@Entity(name = "Parent")
	public static class Parent {

		@Id
		private Long id;

		@OneToOne(fetch = FetchType.LAZY)
		private Child child;

		public Child getChild() {
			return child;
		}

		public void setChild(Child child) {
			this.child = child;
		}


		public Long getId() {
			return id;
		}

		public void setId(Long id) {
			this.id = id;
		}
	}
}