Fix generated on insert property being not updatable (#500)

Fixes #1371

Author: hailtondecastro

src/NHibernate.Test/Async/NHSpecificTest/NH3898/Fixture.cs

@@ -0,0 +1,71 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by AsyncGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.NH3898
+{
+	using System.Threading.Tasks;
+	[TestFixture]
+	public class FixtureAsync : BugTestCase
+	{
+		protected override void Configure(Cfg.Configuration configuration)
+		{
+			configuration.SetProperty(Cfg.Environment.UseQueryCache, "false");
+			configuration.SetProperty(Cfg.Environment.UseSecondLevelCache, "false");
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var s = OpenSession())
+			using (var tx = s.BeginTransaction())
+			{
+				s.CreateQuery("delete from Employee").ExecuteUpdate();
+
+				tx.Commit();
+			}
+		}
+
+		[Test]
+		public async Task GeneratedInsertUpdateTrueAsync()
+		{
+			object id;
+			using (var session = OpenSession())
+			using (var tx = session.BeginTransaction())
+			{
+				var employee = new Employee
+				{
+					Name = "Employee 1",
+					PromotionCount = 9999999
+				};
+				id = await (session.SaveAsync(employee));
+				await (tx.CommitAsync());
+			}
+
+			using (var session = OpenSession())
+			using (var tx = session.BeginTransaction())
+			{
+				var employee = await (session.GetAsync<Employee>(id));
+				Assert.That(employee.PromotionCount, Is.EqualTo(0));
+				employee.Name = "Employee 1 changed";
+				employee.PromotionCount++;
+				await (tx.CommitAsync());
+			}
+
+			using (var session = OpenSession())
+			using (session.BeginTransaction())
+			{
+				var employee = await (session.GetAsync<Employee>(id));
+				Assert.That(employee.Name, Is.EqualTo("Employee 1 changed"));
+				Assert.That(employee.PromotionCount, Is.EqualTo(1));
+			}
+		}
+	}
+}

src/NHibernate.Test/NHSpecificTest/NH3898/DomainClasses.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace NHibernate.Test.NHSpecificTest.NH3898
+{
+	public class Employee
+	{
+		public virtual int Id { get; set; }
+
+		public virtual string Name { get; set; }
+
+		public virtual int PromotionCount { get; set; }
+	}
+}

src/NHibernate.Test/NHSpecificTest/NH3898/Fixture.cs

@@ -0,0 +1,60 @@
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.NH3898
+{
+	[TestFixture]
+	public class Fixture : BugTestCase
+	{
+		protected override void Configure(Cfg.Configuration configuration)
+		{
+			configuration.SetProperty(Cfg.Environment.UseQueryCache, "false");
+			configuration.SetProperty(Cfg.Environment.UseSecondLevelCache, "false");
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var s = OpenSession())
+			using (var tx = s.BeginTransaction())
+			{
+				s.CreateQuery("delete from Employee").ExecuteUpdate();
+
+				tx.Commit();
+			}
+		}
+
+		[Test]
+		public void GeneratedInsertUpdateTrue()
+		{
+			object id;
+			using (var session = OpenSession())
+			using (var tx = session.BeginTransaction())
+			{
+				var employee = new Employee
+				{
+					Name = "Employee 1",
+					PromotionCount = 9999999
+				};
+				id = session.Save(employee);
+				tx.Commit();
+			}
+
+			using (var session = OpenSession())
+			using (var tx = session.BeginTransaction())
+			{
+				var employee = session.Get<Employee>(id);
+				Assert.That(employee.PromotionCount, Is.EqualTo(0));
+				employee.Name = "Employee 1 changed";
+				employee.PromotionCount++;
+				tx.Commit();
+			}
+
+			using (var session = OpenSession())
+			using (session.BeginTransaction())
+			{
+				var employee = session.Get<Employee>(id);
+				Assert.That(employee.Name, Is.EqualTo("Employee 1 changed"));
+				Assert.That(employee.PromotionCount, Is.EqualTo(1));
+			}
+		}
+	}
+}

src/NHibernate.Test/NHSpecificTest/NH3898/Mappings.hbm.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="NHibernate.Test"
+                   namespace="NHibernate.Test.NHSpecificTest.NH3898">
+
+  <class name="Employee">
+    <id name="Id">
+      <generator class="native" />
+    </id>
+    <property name="Name"/>
+    <property name="PromotionCount" insert="false" generated="insert">
+      <column name="PromotionCount" default="0"/>
+    </property>
+  </class>
+</hibernate-mapping>

src/NHibernate/Cfg/XmlHbmBinding/PropertiesBinder.cs

@@ -289,23 +289,19 @@ private void BindValueProperty(HbmProperty propertyMapping, Property property)
 					throw new MappingException("cannot specify both insert=\"true\" and generated=\"" + generation
 					                           + "\" for property: " + propertyMapping.Name);
 				}
-				else
-				{
-					property.IsInsertable = false;
-				}
-
+				property.IsInsertable = false;
+			}
+			if (generation == PropertyGeneration.Always)
+			{
 				// properties generated on update can never be updateable...
-				if (propertyMapping.updateSpecified && property.IsUpdateable && generation == PropertyGeneration.Always)
+				if (propertyMapping.updateSpecified && property.IsUpdateable)
 				{
 					// the user specifically supplied update="true",
 					// which constitutes an illegal combo
 					throw new MappingException("cannot specify both update=\"true\" and generated=\"" + generation
 					                           + "\" for property: " + propertyMapping.Name);
 				}
-				else
-				{
-					property.IsUpdateable = false;
-				}
+				property.IsUpdateable = false;
 			}
 		}
 
@@ -421,4 +417,4 @@ private string GetPropertyAccessorName(string propertyMappedAccessor)
 			return propertyMappedAccessor ?? Mappings.DefaultAccess;
 		}
 	}
-}
+}