/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2010  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see http://www.gnu.org/licenses/. */
using Db4oUnit;
using Db4oUnit.Extensions;
using Db4objects.Db4o;
using Db4objects.Db4o.Query;
using Db4objects.Db4o.Tests.Common.Handlers;

namespace Db4objects.Db4o.Tests.Common.Handlers
{
	public class ClassHandlerTestCase : AbstractDb4oTestCase
	{
		public static void Main(string[] args)
		{
			new ClassHandlerTestCase().RunSolo();
		}

		public class Item
		{
			public string _name;

			public ClassHandlerTestCase.Item _child;

			public Item(string name, ClassHandlerTestCase.Item child)
			{
				_name = name;
				_child = child;
			}
		}

		/// <exception cref="System.Exception"></exception>
		public virtual void TestStoreObject()
		{
			ClassHandlerTestCase.Item expectedItem = new ClassHandlerTestCase.Item("parent", 
				new ClassHandlerTestCase.Item("child", null));
			Db().Store(expectedItem);
			Db().Purge(expectedItem);
			IQuery q = Db().Query();
			q.Constrain(typeof(ClassHandlerTestCase.Item));
			q.Descend("_name").Constrain("parent");
			IObjectSet objectSet = q.Execute();
			ClassHandlerTestCase.Item readItem = (ClassHandlerTestCase.Item)objectSet.Next();
			Assert.AreNotSame(expectedItem, readItem);
			AssertAreEqual(expectedItem, readItem);
		}

		private void AssertAreEqual(ClassHandlerTestCase.Item expectedItem, ClassHandlerTestCase.Item
			 readItem)
		{
			Assert.AreEqual(expectedItem._name, readItem._name);
			Assert.AreEqual(expectedItem._child._name, readItem._child._name);
		}
	}
}
