Test case for session.Update

Author: bahusoid

src/NHibernate.Test/OneToOneType/Fixture.cs

@@ -57,5 +57,47 @@ public void OneToOnePersistedOnOwnerUpdate()
 				Assert.NotNull(owner.Details);
 			}
 		}
+
+		[Test]
+		public void OneToOnePersistedOnOwnerUpdateForSessionUpdate()
+		{
+			Owner owner;
+
+			using (var s = Sfi.OpenSession())
+			using (var tx = s.BeginTransaction())
+			{
+				owner = new Owner()
+				{
+					Name = "Owner",
+				};
+
+				s.Save(owner);
+				tx.Commit();
+			}
+
+			using (var s = Sfi.OpenSession())
+			{
+				owner = s.Get<Owner>(owner.Id);
+			}
+
+			using (var s = Sfi.OpenSession())
+			using (var tx = s.BeginTransaction())
+			{
+				s.SaveOrUpdate(owner);
+				owner.Details = new Details()
+				{
+					Data = "Owner Details"
+				};
+
+				tx.Commit();
+			}
+
+			using (var s = Sfi.OpenSession())
+			{
+				owner = s.Get<Owner>(owner.Id);
+
+				Assert.IsNotNull(owner.Details);
+			}
+		}
 	}
 }

src/NHibernate.Test/OneToOneType/Mappings.hbm.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="NHibernate.Test" namespace="NHibernate.Test.OneToOneType" default-lazy="false">
-  <class name="Owner">
+  <class name="Owner" select-before-update="true">
     <id name="Id" unsaved-value="0" generator="native"/>
     <property name="Name"/>
-    <one-to-one name="Details" class="Details" cascade="all"/>
+    <one-to-one name="Details" class="Details" cascade="all-delete-orphan"/>
   </class>
 
   <class name="Details">