added test for index base offset of lists

Author: firo222

src/FluentNHibernate.Testing/DomainModel/Mapping/OneToManyTester.cs

@@ -277,6 +277,20 @@ public void CanSpecifyIndexColumnAndTypeForList()
                 .Element("class/list/index/column").HasAttribute("name", "ListIndex");
         }
 
+        [Test]
+        public void CanSpecifyIndexBaseOffsetAndColumnForList()
+        {
+            new MappingTester<OneToManyTarget>()
+                .ForMapping(map => map.HasMany(x => x.ListOfChildren)
+                    .AsList(index =>
+                    {
+                        index.Base(1);
+                        index.Column("ListIndex");
+                    }))
+                .Element("class/list/list-index").HasAttribute("base", 1)
+                .Element("class/list/list-index/column").HasAttribute("name", "ListIndex");
+        }
+
         [Test]
         public void CanSetTableName()
         {