HHH-17454 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/generics/GenericPathComparisonTest.java

@@ -0,0 +1,159 @@
+/*
+ * 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.annotations.generics;
+
+import java.io.Serializable;
+
+import org.hibernate.cfg.AvailableSettings;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.ServiceRegistry;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.Setting;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.MappedSuperclass;
+import jakarta.persistence.TypedQuery;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Root;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@DomainModel( annotatedClasses = {
+		GenericPathComparisonTest.IdEntity.class,
+		GenericPathComparisonTest.UserEntity.class,
+} )
+@SessionFactory
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17454" )
+public class GenericPathComparisonTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			session.persist( new UserEntity( 1L, "user_1", 1L ) );
+			session.persist( new UserEntity( 2L, "user_2", 99L ) );
+		} );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.createMutationQuery( "delete from UserEntity" ).executeUpdate() );
+	}
+
+	@Test
+	public void testParamComparison(SessionFactoryScope scope) {
+		scope.inTransaction( session -> executeQuery( session.createQuery(
+				"from UserEntity where id = :id",
+				UserEntity.class
+		).setParameter( "id", 1L ) ) );
+	}
+
+	@Test
+	public void testParamComparisonCriteria(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final CriteriaBuilder cb = session.getCriteriaBuilder();
+			final CriteriaQuery<UserEntity> query = cb.createQuery( UserEntity.class );
+			final Root<UserEntity> from = query.from( UserEntity.class );
+			query.where( cb.equal( from.get( "id" ), cb.parameter( Long.class, "id" ) ) );
+			executeQuery( session.createQuery( query ).setParameter( "id", 1L ) );
+		} );
+	}
+
+	@Test
+	public void testLiteralComparison(SessionFactoryScope scope) {
+		scope.inTransaction( session -> executeQuery( session.createQuery(
+				"from UserEntity where id = 1",
+				UserEntity.class
+		) ) );
+	}
+
+	@Test
+	public void testLiteralComparisonCriteria(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final CriteriaBuilder cb = session.getCriteriaBuilder();
+			final CriteriaQuery<UserEntity> query = cb.createQuery( UserEntity.class );
+			final Root<UserEntity> from = query.from( UserEntity.class );
+			query.where( cb.equal( from.get( "id" ), 1L ) );
+			executeQuery( session.createQuery( query ) );
+		} );
+	}
+
+	@Test
+	public void testPathComparison(SessionFactoryScope scope) {
+		scope.inTransaction( session -> executeQuery( session.createQuery(
+				"from UserEntity where id = longProp",
+				UserEntity.class
+		) ) );
+	}
+
+	@Test
+	public void testPathComparisonCriteria(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final CriteriaBuilder cb = session.getCriteriaBuilder();
+			final CriteriaQuery<UserEntity> query = cb.createQuery( UserEntity.class );
+			final Root<UserEntity> from = query.from( UserEntity.class );
+			query.where( cb.equal( from.get( "longProp" ), from.get( "id" ) ) );
+			executeQuery( session.createQuery( query ) );
+		} );
+	}
+
+	private void executeQuery(TypedQuery<UserEntity> query) {
+		final UserEntity result = query.getSingleResult();
+		assertThat( result.getId() ).isEqualTo( 1L );
+		assertThat( result.getName() ).isEqualTo( "user_1" );
+	}
+
+	@MappedSuperclass
+	public static class IdEntity<PK extends Serializable> {
+		@Id
+		private PK id;
+
+		public IdEntity() {
+		}
+
+		public IdEntity(final PK id) {
+			this.id = id;
+		}
+
+		public PK getId() {
+			return id;
+		}
+	}
+
+	@Entity( name = "UserEntity" )
+	public static class UserEntity extends IdEntity<Long> {
+		private String name;
+
+		private Long longProp;
+
+		public UserEntity() {
+		}
+
+		public UserEntity(final Long id, final String name, final Long longProp) {
+			super( id );
+			this.name = name;
+			this.longProp = longProp;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public Long getLongProp() {
+			return longProp;
+		}
+	}
+}