HHH-16784 Add test for issue

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

@@ -0,0 +1,128 @@
+/*
+ * 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 java.time.LocalDateTime;
+import java.time.temporal.TemporalAccessor;
+
+import org.hibernate.query.criteria.JpaPath;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+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.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Path;
+import jakarta.persistence.criteria.Root;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@SessionFactory
+@DomainModel( annotatedClasses = {
+		MappedSuperclassTemporalAccessorTest.AbstractSuperclass.class,
+		MappedSuperclassTemporalAccessorTest.TestEntity.class,
+} )
+@Jira( "https://hibernate.atlassian.net/browse/HHH-16784" )
+public class MappedSuperclassTemporalAccessorTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.persist( new TestEntity(
+				1L,
+				"Marco",
+				LocalDateTime.of( 2023, 6, 16, 11, 41 )
+		) ) );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.createMutationQuery( "delete from TestEntity" ).executeUpdate() );
+	}
+
+	@Test
+	public void testGenericTemporalAccessorPath(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final CriteriaBuilder cb = session.getCriteriaBuilder();
+			final CriteriaQuery<Object> cq = cb.createQuery( Object.class );
+			final Root<TestEntity> root = cq.from( TestEntity.class );
+			final Path<Object> createTime = root.get( "createTime" );
+			assertThat( createTime.getModel() ).isSameAs( root.getModel().getAttribute( "createTime" ) );
+			assertThat( ( (JpaPath<?>) createTime ).getResolvedModel()
+								.getBindableJavaType() ).isEqualTo( LocalDateTime.class );
+			final Object result = session.createQuery( cq.select( createTime ) ).getSingleResult();
+			assertThat( result ).isEqualTo( LocalDateTime.of( 2023, 6, 16, 11, 41 ) );
+		} );
+	}
+
+	@Test
+	public void testGenericSerializablePath(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final CriteriaBuilder cb = session.getCriteriaBuilder();
+			final CriteriaQuery<Object> cq = cb.createQuery( Object.class );
+			final Root<TestEntity> root = cq.from( TestEntity.class );
+			final Path<Object> id = root.get( "id" );
+			assertThat( id.getModel() ).isSameAs( root.getModel().getAttribute( "id" ) );
+			assertThat( ( (JpaPath<?>) id ).getResolvedModel()
+								.getBindableJavaType() ).isEqualTo( Long.class );
+			final Object result = session.createQuery( cq.select( id ) ).getSingleResult();
+			assertThat( result ).isEqualTo( 1L );
+		} );
+	}
+
+	@Test
+	public void testGenericObjectPath(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final CriteriaBuilder cb = session.getCriteriaBuilder();
+			final CriteriaQuery<Object> cq = cb.createQuery( Object.class );
+			final Root<TestEntity> root = cq.from( TestEntity.class );
+			final Path<Object> createUser = root.get( "createUser" );
+			assertThat( createUser.getModel() ).isSameAs( root.getModel().getAttribute( "createUser" ) );
+			assertThat( ( (JpaPath<?>) createUser ).getResolvedModel()
+								.getBindableJavaType() ).isEqualTo( String.class );
+			final Object result = session.createQuery( cq.select( createUser ) ).getSingleResult();
+			assertThat( result ).isEqualTo( "Marco" );
+		} );
+	}
+
+	@MappedSuperclass
+	public static abstract class AbstractSuperclass<I extends Serializable, U, T extends TemporalAccessor> {
+		@Id
+		private I id;
+		private U createUser;
+		private T createTime;
+
+		public AbstractSuperclass() {
+		}
+
+		public AbstractSuperclass(I id, U createUser, T createTime) {
+			this.id = id;
+			this.createUser = createUser;
+			this.createTime = createTime;
+		}
+	}
+
+	@Entity( name = "TestEntity" )
+	public static class TestEntity extends AbstractSuperclass<Long, String, LocalDateTime> {
+		public TestEntity() {
+		}
+
+		public TestEntity(Long id, String createUser, LocalDateTime createTime) {
+			super( id, createUser, createTime );
+		}
+	}
+}