diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b7344a..322eb12 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- fj-daogen-version set to 1.7.6
+- fj-daogen-version set to 1.7.7
 - fj-version set to 8.5.3
 - dao-finder-ng-mode 'enabled'
 
diff --git a/pom.xml b/pom.xml
index b451b5b..bea89a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
     <skipITs>true</skipITs>
     <surefire-plugin.version>3.2.5</surefire-plugin.version>
     <fj-version>8.5.3</fj-version>
-    <fj-daogen-version>1.7.6</fj-daogen-version>
+    <fj-daogen-version>1.7.7</fj-daogen-version>
     <build-helper-maven-plugin-version>3.4.0</build-helper-maven-plugin-version>
     <gen.base.dir>${project.basedir}</gen.base.dir>
     <generated.source.daogen>target/generated-sources/daogen</generated.source.daogen>
diff --git a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/DocumentJunit5ModelTest.java b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/DocumentJunit5ModelTest.java
index a558dba..b70c756 100644
--- a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/DocumentJunit5ModelTest.java
+++ b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/DocumentJunit5ModelTest.java
@@ -40,13 +40,22 @@ public void printAll( ModelDocument current ) {
 	public ModelDocument newInstance() { 
 		WrapperDocument current = new WrapperDocument( new HelperDocument() );
 		current.setId(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setIdOwner(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setIdCreator(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setCreationDate(new java.util.Date());
+		Assertions.assertFalse( current.isEmpty() );
 		current.setUpdateDate(new java.util.Date());
+		Assertions.assertFalse( current.isEmpty() );
 		current.setPath("1");
+		Assertions.assertFalse( current.isEmpty() );
 		current.setState(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setInfo(null);
+		Assertions.assertFalse( current.isEmpty() );
+		logger.info( "unwrap :  {}", current.unwrap( current ) );
 		return current;
 	}
 	@Test
diff --git a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/Example01Junit5ModelTest.java b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/Example01Junit5ModelTest.java
index a445c50..96b3d39 100644
--- a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/Example01Junit5ModelTest.java
+++ b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/Example01Junit5ModelTest.java
@@ -35,8 +35,12 @@ public void printAll( ModelExample01 current ) {
 	public ModelExample01 newInstance() { 
 		WrapperExample01 current = new WrapperExample01( new HelperExample01() );
 		current.setField1("1");
+		Assertions.assertFalse( current.isEmpty() );
 		current.setField2(new java.util.Date());
+		Assertions.assertFalse( current.isEmpty() );
 		current.setField3("1");
+		Assertions.assertFalse( current.isEmpty() );
+		logger.info( "unwrap :  {}", current.unwrap( current ) );
 		return current;
 	}
 	@Test
diff --git a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/MappedTableJunit5ModelTest.java b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/MappedTableJunit5ModelTest.java
index 4039a77..63ff784 100644
--- a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/MappedTableJunit5ModelTest.java
+++ b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/MappedTableJunit5ModelTest.java
@@ -34,7 +34,10 @@ public void printAll( ModelMappedTable current ) {
 	public ModelMappedTable newInstance() { 
 		WrapperMappedTable current = new WrapperMappedTable( new HelperMappedTable() );
 		current.setId(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setContent("1");
+		Assertions.assertFalse( current.isEmpty() );
+		logger.info( "unwrap :  {}", current.unwrap( current ) );
 		return current;
 	}
 	@Test
diff --git a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/PersonJunit5ModelTest.java b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/PersonJunit5ModelTest.java
index ff1a6b3..5f4995f 100644
--- a/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/PersonJunit5ModelTest.java
+++ b/src/test/java/org/fugerit/java/daogen/quickstart/junit5test/model/PersonJunit5ModelTest.java
@@ -42,15 +42,23 @@ public void printAll( ModelPerson current ) {
 	public ModelPerson newInstance() { 
 		WrapperPerson current = new WrapperPerson( new HelperPerson() );
 		current.setId(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setSurname("1");
+		Assertions.assertFalse( current.isEmpty() );
 		current.setName("1");
+		Assertions.assertFalse( current.isEmpty() );
 		current.setBirthDate(new java.util.Date());
+		Assertions.assertFalse( current.isEmpty() );
 		current.setNote("1");
+		Assertions.assertFalse( current.isEmpty() );
 		current.setIdMother(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setIdFather(new java.math.BigDecimal( "1" ));
+		Assertions.assertFalse( current.isEmpty() );
 		current.setMother( new org.fugerit.java.daogen.quickstart.impl.helper.HelperPerson() );
 		current.setFather( new org.fugerit.java.daogen.quickstart.impl.helper.HelperPerson() );
 		current.setOwnedDocuments( new java.util.ArrayList<org.fugerit.java.daogen.quickstart.def.model.ModelDocument>() );
+		logger.info( "unwrap :  {}", current.unwrap( current ) );
 		return current;
 	}
 	@Test