NH-3850 - Test cases for polymorphic Linq query results aggregators failures

Author: fredericDelaporte

src/NHibernate.Test/NHSpecificTest/NH3850/Domain.cs

@@ -0,0 +1,48 @@
+using System;
+
+namespace NHibernate.Test.NHSpecificTest.NH3850
+{
+	public abstract class DomainClassBase
+	{
+		public virtual int Id { get; set; }
+		public virtual string Name { get; set; }
+		public virtual int? Integer { get; set; }
+		public virtual long? Long { get; set; }
+		public virtual decimal? Decimal { get; set; }
+		public virtual double? Double { get; set; }
+		public virtual DateTime? DateTime { get; set; }
+		public virtual DateTimeOffset? DateTimeOffset { get; set; }
+	}
+
+	public class DomainClassAExtendingB : DomainClassBExtendedByA
+	{
+	}
+
+	public class DomainClassBExtendedByA : DomainClassBase
+	{
+	}
+
+	public class DomainClassCExtendedByD : DomainClassBase
+	{
+	}
+
+	public class DomainClassDExtendingC : DomainClassCExtendedByD
+	{
+	}
+
+	public class DomainClassE : DomainClassBase
+	{
+	}
+
+	public class DomainClassF : DomainClassBase
+	{
+	}
+
+	public class DomainClassGExtendedByH : DomainClassBase
+	{
+	}
+
+	public class DomainClassHExtendingG : DomainClassGExtendedByH
+	{
+	}
+}