Tests for NH-3731

Author: cremor

src/NHibernate.Test/NHSpecificTest/NH3731/Entity.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+
+namespace NHibernate.Test.NHSpecificTest.NH3731
+{
+	[Serializable]
+	class Parent
+	{
+		public Parent()
+		{
+			Children = new List<Child>();
+		}
+
+		public virtual Guid Id { get; set; }
+		public virtual string Name { get; set; }
+		public virtual IList<Child> Children { get; set; }
+	}
+
+	[Serializable]
+	class Child
+	{
+		public virtual Guid Id { get; set; }
+		public virtual string Name { get; set; }
+	}
+}

src/NHibernate.Test/NHSpecificTest/NH3731/FixtureByCode.cs

@@ -0,0 +1,119 @@
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization.Formatters.Binary;
+using NHibernate.Cfg.MappingSchema;
+using NHibernate.Linq;
+using NHibernate.Mapping.ByCode;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.NH3731
+{
+	public class ByCodeFixture : TestCaseMappingByCode
+	{
+		protected override HbmMapping GetMappings()
+		{
+			var mapper = new ModelMapper();
+			mapper.Class<Parent>(rc =>
+			{
+				rc.Id(x => x.Id, m => m.Generator(Generators.GuidComb));
+				rc.Property(x => x.Name);
+				rc.List(
+					x => x.Children,
+					c =>
+					{
+						c.Cascade(Mapping.ByCode.Cascade.All | Mapping.ByCode.Cascade.DeleteOrphans);
+					},
+					x => x.OneToMany()
+				);
+			});
+			mapper.Class<Child>(rc =>
+			{
+				rc.Id(x => x.Id, m => m.Generator(Generators.GuidComb));
+				rc.Property(x => x.Name);
+			});
+
+			return mapper.CompileMappingForAllExplicitlyAddedEntities();
+		}
+
+		protected override void OnSetUp()
+		{
+			using (ISession session = OpenSession())
+			using (ITransaction transaction = session.BeginTransaction())
+			{
+				var c1 = new Child { Name = "Child 1" };
+				var c2 = new Child { Name = "Child 2" };
+				var c3 = new Child { Name = "Child 3" };
+
+				var p = new Parent { Name = "Parent" };
+				p.Children.Add(c1);
+				p.Children.Add(c2);
+				p.Children.Add(c3);
+
+				session.Save(p);
+
+				session.Flush();
+				transaction.Commit();
+			}
+		}
+
+		protected override void OnTearDown()
+		{
+			using (ISession session = OpenSession())
+			using (ITransaction transaction = session.BeginTransaction())
+			{
+				session.Delete("from System.Object");
+
+				session.Flush();
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public void Serializing_Session_After_Reordering_Children_Should_Work()
+		{
+			using (ISession session = OpenSession())
+			{
+				using (ITransaction transaction = session.BeginTransaction())
+				{
+					var p = session.Query<Parent>().Single();
+					var c = p.Children.Last();
+					p.Children.Remove(c);
+					p.Children.Insert(p.Children.Count - 1, c);
+					session.Flush();
+					transaction.Commit();
+				}
+
+				using (MemoryStream stream = new MemoryStream())
+				{
+					BinaryFormatter formatter = new BinaryFormatter();
+					formatter.Serialize(stream, session);
+
+					Assert.AreNotEqual(0, stream.Length);
+				}
+			}
+		}
+
+		[Test]
+		public void Serializing_Session_After_Deleting_First_Child_Should_Work()
+		{
+			using (ISession session = OpenSession())
+			{
+				using (ITransaction transaction = session.BeginTransaction())
+				{
+					var p = session.Query<Parent>().Single();
+					p.Children.RemoveAt(0);
+					session.Flush();
+					transaction.Commit();
+				}
+
+				using (MemoryStream stream = new MemoryStream())
+				{
+					BinaryFormatter formatter = new BinaryFormatter();
+					formatter.Serialize(stream, session);
+
+					Assert.AreNotEqual(0, stream.Length);
+				}
+			}
+		}
+	}
+}

src/NHibernate.Test/NHibernate.Test.csproj

@@ -695,6 +695,8 @@
     <Compile Include="NHSpecificTest\NH3570\BiFixture.cs" />
     <Compile Include="NHSpecificTest\NH3570\Model.cs" />
     <Compile Include="NHSpecificTest\NH3570\UniFixture.cs" />
+    <Compile Include="NHSpecificTest\NH3731\Entity.cs" />
+    <Compile Include="NHSpecificTest\NH3731\FixtureByCode.cs" />
     <Compile Include="NHSpecificTest\NH3620\Fixture.cs" />
     <Compile Include="NHSpecificTest\NH3620\TwoBlobs.cs" />
     <Compile Include="NHSpecificTest\NH3455\Address.cs" />