[Serializable]
	[MongoKey(KeyFields = "Code")]    
	[MongoCollectionName(Name="Paises")]
	[MongoGeo2DIndex(IndexField="Pos")]
	[MongoGeo2DSphereIndex(IndexField="Area")]
	[MongoRelation("PersonRelation","Code","Person","Country")]
	public class Country : MongoMapper<Country>
	{				  
		#region Public Properties
		
		[BsonElement("c")]
		public string Code { get; set; }

		[BsonElement("n")]
		public string Name { get; set; }

		[BsonElement("p")]
		public long[] Pos { get; set; }

		public GeoArea Area { get; set; }

		#endregion

		#region Public Methods

		[MongoPropertyValidator(PropertyName = "Code")]
		public void CodeIsUp(string CountryCode)
		{
			if (CountryCode != CountryCode.ToUpper())
			{
				throw new Exception(String.Format("{0} must be {1}", CountryCode, CountryCode.ToUpper()));
			}
		}

		#endregion
	}
			
	public class CountryCollection: MongoMapperCollection<Country> {}

	var c = new Country {Code = "es", Name = "España"};
	try
	{
		c.Save();
		Assert.Fail();
	}
	catch (ValidatePropertyException ex)
	{
		Assert.AreEqual(ex.GetBaseException().GetType(), typeof (ValidatePropertyException));
		c.Code = "ES";
		c.Save();
	}

	c = new Country {Code = "UK", Name = "Reino Unido"};
	c.Save();

	c = new Country {Code = "UK", Name = "Reino Unido"};
	try
	{
		c.Save();
		Assert.Fail();
	}
	catch (DuplicateKeyException ex)
	{
		Assert.AreEqual(ex.GetBaseException().GetType(), typeof (DuplicateKeyException));
	}

	using (var t = new MongoMapperTransaction())
	{
		var c2 = new Country {Code = "US", Name = "Francia"};
		c2.OnBeforeInsert += (s, e) => { ((Country) s).Name = "Estados Unidos"; };
		c2.Save();

		t.Commit();
	}

	var c3 = new Country();
	c3.FillByKey("US");
	Assert.AreEqual(c3.Name, "Estados Unidos");

	if (!c3.IsLastVersion())
		c3.FillFromLastVersion();

	var countries = new CountryCollection();
	countries.Find();
	Assert.AreEqual(countries.Count, 3);

	countries.Find().Limit(2).Sort(countries.Sort.Ascending(C=>C.Name));
	Assert.AreEqual(countries.Count, 2);
	Assert.AreEqual(countries.Total, 3);

	countries.Find(countries.Filter.Or(MongoQuery<Country>.Eq(co => co.Code, "ES"), MongoQuery<Country>.Eq(co => co.Code, "UK")));
	Assert.AreEqual(countries.Count, 2);