HHH-11426 : test case

hibernate-entitymanager/src/test/java/org/hibernate/jpa/test/enhancement/cases/DetachedGetIdentifierTestTask.java

@@ -0,0 +1,65 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpa.test.enhancement.cases;
+
+import org.hibernate.persister.entity.EntityPersister;
+
+import org.junit.Assert;
+
+import javax.persistence.Entity;
+import javax.persistence.EntityManager;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Luis Barreiro
+ */
+public class DetachedGetIdentifierTestTask extends AbstractExecutable {
+
+    public Class<?>[] getAnnotatedClasses() {
+        return new Class<?>[]{ SimpleEntity.class };
+    }
+
+    @Override
+    protected void prepared() {
+        final EntityPersister ep = getEntityManagerFactory().getSessionFactory().getEntityPersister( SimpleEntity.class.getName() );
+        assertTrue( ep.getInstrumentationMetadata().isEnhancedForLazyLoading() );
+    }
+
+    public void execute() {
+        EntityManager em = getOrCreateEntityManager();
+        em.getTransaction().begin();
+
+        SimpleEntity se = new SimpleEntity();
+        se.name = "test";
+        se = em.merge( se );
+
+        Assert.assertNotNull( getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier( se ) );
+
+        em.getTransaction().commit();
+        em.close();
+
+        // Call as detached entity
+        Assert.assertNotNull( getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier( se ) );
+    }
+
+    protected void cleanup() {
+    }
+
+    @Entity
+    public static class SimpleEntity {
+
+        @Id
+        @GeneratedValue
+        private Long id;
+
+        private String name;
+
+    }
+}

hibernate-entitymanager/src/test/java/org/hibernate/jpa/test/enhancement/runtime/JpaRuntimeEnhancementTest.java

@@ -6,6 +6,7 @@
  */
 package org.hibernate.jpa.test.enhancement.runtime;
 
+import org.hibernate.jpa.test.enhancement.cases.DetachedGetIdentifierTestTask;
 import org.hibernate.jpa.test.enhancement.cases.TestLazyPropertyOnPreUpdateExecutable;
 
 import org.hibernate.testing.TestForIssue;
@@ -81,6 +82,13 @@ public class JpaRuntimeEnhancementTest extends BaseUnitTestCase {
 		EnhancerTestUtils.runEnhancerTestTask( TestLazyPropertyOnPreUpdateExecutable.class );
 	}
 
+	@Test
+	@TestForIssue( jiraKey = "HHH-11426" )
+	public void testDetached() {
+		EnhancerTestUtils.runEnhancerTestTask( DetachedGetIdentifierTestTask.class );
+	}
+
+
 //	// reflection code to ensure isolation into the created classloader ~~~~~~~
 //
 //	private static final Class[] SIG = new Class[] {};