HHH-11196 - Hibernate 5 Bytecode Enhancement Association Management works just in one direction

- add replicating test case

hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/EnhancerTest.java

@@ -8,8 +8,6 @@ package org.hibernate.test.bytecode.enhancement;
 
 import org.hibernate.bytecode.enhance.spi.UnloadedClass;
 
-import org.hibernate.test.bytecode.enhancement.detached.DetachedGetIdentifierTestTask;
-import org.hibernate.test.bytecode.enhancement.cascade.CascadeWithFkConstraintTestTask;
 import org.hibernate.testing.DialectChecks;
 import org.hibernate.testing.FailureExpected;
 import org.hibernate.testing.RequiresDialectFeature;
@@ -21,10 +19,13 @@ import org.hibernate.test.bytecode.enhancement.access.MixedAccessTestTask;
 import org.hibernate.test.bytecode.enhancement.association.InheritedAttributeAssociationTestTask;
 import org.hibernate.test.bytecode.enhancement.association.ManyToManyAssociationTestTask;
 import org.hibernate.test.bytecode.enhancement.association.OneToManyAssociationTestTask;
+import org.hibernate.test.bytecode.enhancement.association.OneToManyBidirectionalAssociationTestTask;
 import org.hibernate.test.bytecode.enhancement.association.OneToOneAssociationTestTask;
 import org.hibernate.test.bytecode.enhancement.basic.BasicEnhancementTestTask;
 import org.hibernate.test.bytecode.enhancement.basic.HHH9529TestTask;
 import org.hibernate.test.bytecode.enhancement.cascade.CascadeDeleteTestTask;
+import org.hibernate.test.bytecode.enhancement.cascade.CascadeWithFkConstraintTestTask;
+import org.hibernate.test.bytecode.enhancement.detached.DetachedGetIdentifierTestTask;
 import org.hibernate.test.bytecode.enhancement.dirty.DirtyTrackingCollectionTestTask;
 import org.hibernate.test.bytecode.enhancement.dirty.DirtyTrackingTestTask;
 import org.hibernate.test.bytecode.enhancement.eviction.EvictionTestTask;
@@ -111,6 +112,12 @@ public class EnhancerTest extends BaseUnitTestCase {
 		EnhancerTestUtils.runEnhancerTestTask( InheritedAttributeAssociationTestTask.class );
 	}
 
+	@Test
+	@FailureExpected( jiraKey = "HHH-11196" )
+	public void testHHH11196() {
+		EnhancerTestUtils.runEnhancerTestTask( OneToManyBidirectionalAssociationTestTask.class );
+	}
+
 	@Test
 	public void testLazy() {
 		EnhancerTestUtils.runEnhancerTestTask( LazyLoadingTestTask.class );

hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/association/OneToManyBidirectionalAssociationTestTask.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.test.bytecode.enhancement.association;
+
+import java.util.List;
+
+import org.hibernate.test.bytecode.enhancement.AbstractEnhancerTestTask;
+import org.junit.Assert;
+
+/**
+ * @author Luis Barreiro
+ */
+public class OneToManyBidirectionalAssociationTestTask extends AbstractEnhancerTestTask {
+
+	public Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] {Customer.class, CustomerInventory.class, Group.class, User.class};
+	}
+
+	public void prepare() {
+	}
+
+	public void execute() {
+		Customer customer = new Customer();
+		Assert.assertTrue( customer.getInventories().isEmpty() );
+
+		CustomerInventory customerInventory = new CustomerInventory();
+		customerInventory.setCustomer( customer );
+
+		Assert.assertTrue( customer.getInventories().size() == 1 );
+		Assert.assertTrue( customer.getInventories().contains( customerInventory ) );
+
+		Customer anotherCustomer = new Customer();
+		Assert.assertTrue( anotherCustomer.getInventories().isEmpty() );
+		customerInventory.setCustomer( anotherCustomer );
+
+		Assert.assertTrue( customer.getInventories().isEmpty() );
+		Assert.assertTrue( anotherCustomer.getInventories().size() == 1 );
+		Assert.assertTrue( anotherCustomer.getInventories().get( 0 ) == customerInventory );
+
+		customer.getInventories().add( customerInventory );
+
+		Assert.assertTrue( customerInventory.getCustomer() == customer );
+		Assert.assertTrue( anotherCustomer.getInventories().isEmpty() );
+		Assert.assertTrue( customer.getInventories().size() == 1 );
+
+		customer.addInventory( new CustomerInventory() );
+		Assert.assertTrue( customer.getInventories().size() == 2 );
+
+		// Test remove
+
+		List<CustomerInventory> inventories = customer.getInventories();
+		inventories.remove( customerInventory );
+		customer.setInventories( inventories );
+
+		// This happens (and is expected) because there was no snapshot taken beforeQuery remove
+		Assert.assertNotNull( customerInventory.getCustomer() );
+	}
+
+	protected void cleanup() {
+	}
+}