Add Multiple Self Joins With Nullable Int Ids test

Author: mythz

tests/ServiceStack.OrmLite.Tests/Issues/MultipleSelfJoinsWithNullableInts.cs

@@ -0,0 +1,81 @@
+using NUnit.Framework;
+using ServiceStack.DataAnnotations;
+using ServiceStack.Text;
+
+namespace ServiceStack.OrmLite.Tests.Issues
+{
+    public class ParentSelfRef
+    {
+        [AutoIncrement]
+        public int Id { get; set; }
+
+        [References(typeof(ChildSelfRef))]
+        public int? Child1Id { get; set; }
+
+        [Reference]
+        public ChildSelfRef Child1 { get; set; }
+
+        [References(typeof(ChildSelfRef))]
+        public int? Child2Id { get; set; }
+
+        [Reference]
+        public ChildSelfRef Child2 { get; set; }
+    }
+
+    public class ChildSelfRef
+    {
+        [AutoIncrement]
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+
+    public class MultipleSelfJoinsWithNullableInts : OrmLiteTestBase
+    {
+        [Test]
+        public void Does_support_multiple_self_joins_with_nullable_ints()
+        {
+            using (var db = OpenDbConnection())
+            {
+                db.DropTable<ParentSelfRef>();
+                db.DropTable<ChildSelfRef>();
+
+                db.CreateTable<ChildSelfRef>();
+                db.CreateTable<ParentSelfRef>();
+
+                var row = new ParentSelfRef
+                {
+                    Child1 = new ChildSelfRef
+                    {
+                        Name = "Child 1"
+                    },
+                    Child2 = new ChildSelfRef
+                    {
+                        Name = "Child 2"
+                    },
+                };
+
+                db.Save(row, references: true);
+
+                row.PrintDump();
+
+                Assert.That(row.Id, Is.EqualTo(1));
+                Assert.That(row.Child1Id, Is.EqualTo(1));
+                Assert.That(row.Child1.Id, Is.EqualTo(1));
+                Assert.That(row.Child1.Name, Is.EqualTo("Child 1"));
+                Assert.That(row.Child2Id, Is.EqualTo(2));
+                Assert.That(row.Child2.Id, Is.EqualTo(2));
+                Assert.That(row.Child2.Name, Is.EqualTo("Child 2"));
+
+                row = db.LoadSingleById<ParentSelfRef>(row.Id);
+
+                Assert.That(row.Id, Is.EqualTo(1));
+                Assert.That(row.Child1Id, Is.EqualTo(1));
+                Assert.That(row.Child1.Id, Is.EqualTo(1));
+                Assert.That(row.Child1.Name, Is.EqualTo("Child 1"));
+                Assert.That(row.Child2Id, Is.EqualTo(2));
+                Assert.That(row.Child2.Id, Is.EqualTo(2));
+                Assert.That(row.Child2.Name, Is.EqualTo("Child 2"));
+            }
+        } 
+    }
+}

tests/ServiceStack.OrmLite.Tests/ServiceStack.OrmLite.Tests.csproj

@@ -131,6 +131,7 @@
     <Compile Include="Issues\ComplexJoinWithAlias.cs" />
     <Compile Include="Issues\CustomFieldTests.cs" />
     <Compile Include="Issues\LoadSelectIssue.cs" />
+    <Compile Include="Issues\MultipleSelfJoinsWithNullableInts.cs" />
     <Compile Include="Issues\UtcDateTimeIssueTests.cs" />
     <Compile Include="Issues\JoinsWithSchemas.cs" />
     <Compile Include="Issues\MappingFieldsFromStoredProcedureTests.cs" />