HHH-17916 Add test for issue

Author: mbladel

Diff for: hibernate-core/src/test/java/org/hibernate/orm/test/annotations/embeddables/generics/CompositeUserTypeInGenericSuperclassTest.java

@@ -0,0 +1,131 @@
+/*
+ * 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.embeddables.generics;
+
+import org.hibernate.annotations.CompositeType;
+import org.hibernate.orm.test.mapping.embeddable.strategy.usertype.embedded.Name;
+import org.hibernate.orm.test.mapping.embeddable.strategy.usertype.embedded.NameCompositeUserType;
+
+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.Embeddable;
+import jakarta.persistence.Embedded;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.MappedSuperclass;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@DomainModel( annotatedClasses = {
+		CompositeUserTypeInGenericSuperclassTest.GenericSuperclass.class,
+		CompositeUserTypeInGenericSuperclassTest.TestEmbeddable.class,
+		CompositeUserTypeInGenericSuperclassTest.TestEntity.class,
+} )
+@SessionFactory
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17916" )
+public class CompositeUserTypeInGenericSuperclassTest {
+	@Test
+	public void testFind(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final TestEntity result = session.find( TestEntity.class, 1L );
+			assertThat( result.getGenericEmbedded().getTestProp() ).isEqualTo( 1 );
+			assertThat( result.getName().firstName() ).isEqualTo( "Marco" );
+			assertThat( result.getName().lastName() ).isEqualTo( "Belladelli" );
+		} );
+	}
+
+	@Test
+	public void testQuery(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final TestEntity result = session.createQuery(
+					"from TestEntity where genericEmbedded.testProp = 2",
+					TestEntity.class
+			).getSingleResult();
+			assertThat( result.getGenericEmbedded().getTestProp() ).isEqualTo( 2 );
+			assertThat( result.getName().firstName() ).isEqualTo( "Andrea" );
+			assertThat( result.getName().lastName() ).isEqualTo( "Boriero" );
+		} );
+	}
+
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			session.persist( new TestEntity( 1L, new Name( "Marco", "Belladelli" ), new TestEmbeddable( 1 ) ) );
+			session.persist( new TestEntity( 2L, new Name( "Andrea", "Boriero" ), new TestEmbeddable( 2 ) ) );
+		} );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.createMutationQuery( "delete from TestEntity" ).executeUpdate() );
+	}
+
+	@MappedSuperclass
+	static class GenericSuperclass<T> {
+		@Embedded
+		@CompositeType( NameCompositeUserType.class )
+		private Name name;
+
+		@Embedded
+		T genericEmbedded;
+
+		public GenericSuperclass() {
+		}
+
+		public GenericSuperclass(Name name, T genericEmbedded) {
+			this.name = name;
+			this.genericEmbedded = genericEmbedded;
+		}
+
+		public Name getName() {
+			return name;
+		}
+
+		public T getGenericEmbedded() {
+			return genericEmbedded;
+		}
+	}
+
+	@Embeddable
+	static class TestEmbeddable {
+		private Integer testProp;
+
+		public TestEmbeddable() {
+		}
+
+		public TestEmbeddable(Integer testProp) {
+			this.testProp = testProp;
+		}
+
+		public Integer getTestProp() {
+			return testProp;
+		}
+	}
+
+	@Entity( name = "TestEntity" )
+	static class TestEntity extends GenericSuperclass<TestEmbeddable> {
+		@Id
+		private Long id;
+
+		public TestEntity() {
+		}
+
+		public TestEntity(Long id, Name name, TestEmbeddable genericEmbedded) {
+			super( name, genericEmbedded );
+			this.id = id;
+		}
+	}
+}