HHH-15480: Add Test Case

Author: artbasov

hibernate-envers/src/test/java/org/hibernate/orm/test/envers/integration/modifiedflags/HasChangedOneToManyManualFlush.java

@@ -0,0 +1,74 @@
+/*
+ * 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.orm.test.envers.integration.modifiedflags;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.hibernate.orm.test.envers.Priority;
+import org.hibernate.orm.test.envers.entities.onetomany.ListRefEdEntity;
+import org.hibernate.orm.test.envers.entities.onetomany.ListRefIngEntity;
+
+import org.hibernate.testing.TestForIssue;
+import org.junit.Test;
+
+import jakarta.persistence.EntityManager;
+
+import static org.hibernate.orm.test.envers.tools.TestTools.extractRevisionNumbers;
+import static org.hibernate.orm.test.envers.tools.TestTools.makeList;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Artёm Basov
+ */
+@TestForIssue(jiraKey = "HHH-15480")
+public class HasChangedOneToManyManualFlush extends AbstractModifiedFlagsEntityTest {
+	private Integer id = null;
+
+	@Override
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class[] { ListRefEdEntity.class, ListRefIngEntity.class };
+	}
+
+	@Test
+	@Priority(10)
+	public void initData() {
+		EntityManager em = getEntityManager();
+
+		// Revision 1
+		em.getTransaction().begin();
+		ListRefEdEntity entity = new ListRefEdEntity( 1, "Revision 1" );
+		entity.setReffering( new ArrayList<>() );
+		em.persist( entity );
+		em.getTransaction().commit();
+
+		id = entity.getId();
+
+		// Revision 2 - both properties (data and reffering) should be marked as modified.
+		em.getTransaction().begin();
+		entity = em.find( ListRefEdEntity.class, entity.getId() );
+		entity.setData( "Revision 2" );
+		ListRefIngEntity refIngEntity = new ListRefIngEntity( 1, "Revision 2", entity );
+		em.persist( refIngEntity );
+		entity.getReffering().add( refIngEntity );
+		entity = em.merge( entity );
+		em.flush();
+		entity.setData( "Revision 2.1" );
+		entity = em.merge( entity );
+		em.flush();
+		em.getTransaction().commit();
+
+		em.close();
+	}
+
+	@Test
+	public void testHasChangedOnDoubleFlush() {
+		List list = queryForPropertyHasChanged( ListRefEdEntity.class, id, "reffering" );
+		assertEquals( 2, list.size() );
+		assertEquals( makeList( 1, 2 ), extractRevisionNumbers( list ) );
+	}
+}