HHH-18409 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/naturalid/ByteArrayNaturalIdTest.java

@@ -0,0 +1,85 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.annotations.naturalid;
+
+import org.hibernate.annotations.NaturalId;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+
+@DomainModel(
+		annotatedClasses = {
+				ByteArrayNaturalIdTest.TestEntity.class,
+		}
+)
+@SessionFactory
+@JiraKey("HHH-18409")
+public class ByteArrayNaturalIdTest {
+
+	private static final String NATURAL_ID_1 = "N1";
+
+	@AfterEach
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session ->
+						session.createMutationQuery( "delete TestEntity" ).executeUpdate()
+		);
+	}
+
+	@Test
+	public void testSelectByNaturalId(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					TestEntity entity = new TestEntity( 1L, new byte[] { 1, 2 }, NATURAL_ID_1 );
+					session.persist( entity );
+					TestEntity testEntity = session.byNaturalId( TestEntity.class )
+							.using( "naturalId2", NATURAL_ID_1 )
+							.using( "naturalId1", new byte[] { 1, 2 } )
+							.load();
+
+					assertThat( testEntity ).as( "Loading the entity by its natural id failed" ).isNotNull();
+					TestEntity testEntity2 = session.byNaturalId( TestEntity.class )
+							.using( "naturalId2", NATURAL_ID_1 )
+							.using( "naturalId1", new byte[] { 1, 3 } )
+							.load();
+					assertThat( testEntity2 ).as( "Loading the entity using wrong natural id failed" ).isNull();
+
+				}
+		);
+	}
+
+	@Entity(name = "TestEntity")
+	public static class TestEntity {
+		@Id
+		private Long id;
+
+		@NaturalId
+		private byte[] naturalId1;
+
+		@NaturalId
+		private String naturalId2;
+
+		public TestEntity() {
+		}
+
+		public TestEntity(Long id, byte[] naturalId1, String naturalId2) {
+			this.id = id;
+			this.naturalId1 = naturalId1;
+			this.naturalId2 = naturalId2;
+		}
+
+
+	}
+}