Add a JPA-complaint contains test to assert the use case descriebed in the following forum thread
https://forum.hibernate.org/viewtopic.php?f=1&t=1044231
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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package org.hibernate.jpa.test.ops;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
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import org.junit.Test;
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import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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/**
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* @author Vlad Mihalcea
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*/
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public class ContainsTest extends BaseEntityManagerFunctionalTestCase {
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class<?>[] {
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Person.class,
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};
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}
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@Test
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public void testLifecycle() {
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Person _person = doInJPA( this::entityManagerFactory, entityManager -> {
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Person person = new Person();
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person.id = 1L;
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person.name = "John Doe";
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entityManager.persist( person );
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assertTrue(entityManager.contains( person ));
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return person;
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} );
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doInJPA( this::entityManagerFactory, entityManager -> {
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assertFalse(entityManager.contains( _person ));
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Person person = entityManager.find( Person.class, 1L );
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assertTrue(entityManager.contains( person ));
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} );
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}
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@Entity(name = "PersonEntity")
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public static class Person {
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@Id
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private Long id;
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private String name;
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}
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}
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