Merge branch 'enumqualssupport' of https://github.com/tykovec/nhibernate-core into enumqualssupport

Author: Tomas Lukac

src/NHibernate.Test/Async/Linq/CustomExtensionsExample.cs

@@ -14,7 +14,6 @@
 using System.Linq.Expressions;
 using System.Reflection;
 using System.Text.RegularExpressions;
-using NHibernate.DomainModel.Northwind.Entities;
 using NHibernate.Hql.Ast;
 using NHibernate.Linq.Functions;
 using NHibernate.Linq.Visitors;
@@ -32,7 +31,7 @@ public class CustomExtensionsExampleAsync : LinqTestCase
 		protected override void Configure(NHibernate.Cfg.Configuration configuration)
 		{
 			configuration.LinqToHqlGeneratorsRegistry<MyLinqToHqlGeneratorsRegistry>();
-		}		
+		}
 
 		[Test(Description = "GH-2963")]
 		public async Task CanUseComparisonWithExtensionOnMappedPropertyAsync()

src/NHibernate.Test/Async/Linq/FunctionTests.cs

@@ -475,6 +475,17 @@ where item.Gender.Equals(item.Gender)
 			await (ObjectDumper.WriteAsync(query));
 		}
 
+
+		[Test]
+		public async Task WhereObjectEqualAsync()
+		{
+			var query = from item in db.PatientRecords
+						where ((object) item.Gender).Equals(Gender.Female)
+						select item;
+
+			await (ObjectDumper.WriteAsync(query));
+		}
+
 		[Test]
 		public async Task WhereEquatableEqualAsync()
 		{