/* 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.Ext;
using Db4objects.Db4o.Foundation;
using Db4objects.Db4o.Internal;
using Db4objects.Db4o.Query;

namespace Db4objects.Db4o.Tests.Common.Assorted
{
	public class DatabaseUnicityTest : AbstractDb4oTestCase
	{
		public virtual void Test()
		{
			Hashtable4 ht = new Hashtable4();
			ObjectContainerBase container = Container();
			container.ShowInternalClasses(true);
			IQuery q = Db().Query();
			q.Constrain(typeof(Db4oDatabase));
			IObjectSet objectSet = q.Execute();
			while (objectSet.HasNext())
			{
				Db4oDatabase identity = (Db4oDatabase)objectSet.Next();
				Assert.IsFalse(ht.ContainsKey(identity.i_signature));
				ht.Put(identity.i_signature, string.Empty);
			}
			container.ShowInternalClasses(false);
		}
	}
}
