Implemented a couple of tests that demonstrate NH-2354

src/NHibernate.Test/NHibernate.Test.csproj

@@ -1125,6 +1125,10 @@
     <Compile Include="TypesTest\XDocTypeFixture.cs" />
     <Compile Include="TypesTest\XmlDocClass.cs" />
     <Compile Include="TypesTest\XmlDocTypeFixture.cs" />
+    <Compile Include="UnionsubclassPolymorphicFormula\Company.cs" />
+    <Compile Include="UnionsubclassPolymorphicFormula\Party.cs" />
+    <Compile Include="UnionsubclassPolymorphicFormula\Person.cs" />
+    <Compile Include="UnionsubclassPolymorphicFormula\UnionSubclassFixture.cs" />
     <Compile Include="UtilityTest\IdentitySetFixture.cs" />
     <Compile Include="UtilityTest\EnumerableExtensionsTests\AnyExtensionTests.cs" />
     <Compile Include="UtilityTest\EnumerableExtensionsTests\FirstExtensionTests.cs" />
@@ -2915,6 +2919,8 @@
     <EmbeddedResource Include="NHSpecificTest\NH1291AnonExample\Mappings.hbm.xml" />
   </ItemGroup>
   <ItemGroup>
+    <EmbeddedResource Include="hibernate.cfg.xml" />
+    <EmbeddedResource Include="UnionsubclassPolymorphicFormula\Party.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH3050\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH2469\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH2033\Mappings.hbm.xml" />

src/NHibernate.Test/UnionsubclassPolymorphicFormula/Company.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NHibernate.Test.UnionsubclassPolymorphicFormula
+{
+    public class Company : Party
+    {
+        public override string Name { get { return this.CompanyName; } }
+        public virtual string CompanyName { get; set; }
+    }
+}

src/NHibernate.Test/UnionsubclassPolymorphicFormula/Party.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NHibernate.Test.UnionsubclassPolymorphicFormula
+{
+    public abstract class Party
+    {
+        public virtual long Id { get; protected internal set; }
+        public abstract string Name { get; }
+    }
+}

src/NHibernate.Test/UnionsubclassPolymorphicFormula/Party.hbm.xml

@@ -0,0 +1,44 @@
+<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
+	assembly="NHibernate.Test"
+	namespace="NHibernate.Test.UnionsubclassPolymorphicFormula">
+
+  <!--
+  Testing the inheritance of the abstract property "Name"
+  -->
+
+  <!-- PARTY -->
+
+  <class xmlns="urn:nhibernate-mapping-2.2" name="Party" table="`party`" abstract="true">
+    <id access="backfield" name="Id">
+      <column name="Id" />
+      <generator class="sequence">
+        <param name="sequence">party_id_seq</param>
+      </generator>
+    </id>
+
+    <!-- PERSON -->
+
+    <union-subclass name="Person" table="`person`" extends="Party">
+      <property name="Name" access="readonly" formula="first_name || ' ' || last_name" update="false" insert="false">
+      </property>
+      <property name="FirstName">
+        <column name="first_name" />
+      </property>
+      <property name="LastName">
+        <column name="last_name" />
+      </property>
+    </union-subclass>
+
+    <!-- COMPANY-->
+
+    <union-subclass name="Company" table="`company`" extends="Party">
+      <property name="Name" access="readonly" update="false" insert="false">
+        <column name="company_name" />
+      </property>
+      <property name="CompanyName">
+        <column name="company_name" />
+      </property>
+    </union-subclass>
+  </class>
+
+</hibernate-mapping>

src/NHibernate.Test/UnionsubclassPolymorphicFormula/Person.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NHibernate.Test.UnionsubclassPolymorphicFormula
+{
+    public class Person : Party
+    {
+        public override string Name { get { return this.FirstName + " " + this.LastName; } }
+        public virtual string FirstName { get; set; }
+        public virtual string LastName { get; set; }
+    }
+}

src/NHibernate.Test/UnionsubclassPolymorphicFormula/UnionSubclassFixture.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+using System.Collections;
+
+namespace NHibernate.Test.UnionsubclassPolymorphicFormula
+{
+    [TestFixture]
+    public class UnionSubclassFixture : TestCase
+    {
+        protected override string MappingsAssembly
+        {
+            get { return "NHibernate.Test"; }
+        }
+
+        protected override IList Mappings
+        {
+            get { return new string[] { "UnionsubclassPolymorphicFormula.Party.hbm.xml" }; }
+        }
+
+        [Test]
+        public void QueryOverPersonTest()
+        {
+            using (ISession s = OpenSession())
+            {
+                using (ITransaction t = s.BeginTransaction())
+                {
+                    var person = new Person
+                    {
+                        FirstName = "Mark",
+                        LastName = "Mannson"
+                    };
+
+                    s.Save(person);
+
+                    var result = s.QueryOver<Party>().Where(p => p.Name == "Mark Mannson").SingleOrDefault();
+
+                    Assert.NotNull(result);
+                    s.Delete(result);
+                    t.Commit();
+                }
+
+            }
+        }
+
+        [Test]
+        public void QueryOverCompanyTest()
+        {
+            using (ISession s = OpenSession())
+            {
+                using (ITransaction t = s.BeginTransaction())
+                {
+                    var company = new Company
+                    {
+                        CompanyName = "Limited",
+                    };
+
+                    s.Save(company);
+
+                    var result = s.QueryOver<Party>().Where(p => p.Name == "Limited").SingleOrDefault();
+                    Assert.NotNull(result);
+                }
+
+            }
+        }
+    }
+}