HHH-10465 - Loss of precision in temporal JavaTypeDescriptor implementations

Test to validate if the Timestamp time handles fraction of a second

hibernate-core/src/test/java/org/hibernate/test/type/TimeAndTimestampTest.java

@@ -0,0 +1,66 @@
+/*
+ * 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.test.type;
+
+import java.sql.Time;
+import java.sql.Timestamp;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.junit.Test;
+
+import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Vlad Mihalcea
+ */
+@TestForIssue(jiraKey = "HHH-10465")
+public class TimeAndTimestampTest extends BaseNonConfigCoreFunctionalTestCase {
+
+	@Override
+	protected Class[] getAnnotatedClasses() {
+		return new Class[] {
+			Event.class
+		};
+	}
+
+	@Test
+	public void test() {
+		doInHibernate( this::sessionFactory, session -> {
+			Event event = new Event();
+			event.id = 1L;
+			event.timeValue = new Time( 123 );
+			event.timestampValue = new Timestamp( 456 );
+
+			session.persist( event );
+		} );
+		doInHibernate( this::sessionFactory, session -> {
+			Event event = session.find( Event.class, 1L );
+			assertEquals(123, event.timeValue.getTime());
+			assertEquals(456, event.timestampValue.getTime());
+		} );
+	}
+
+	@Entity(name = "Event")
+	public static class Event {
+
+		@Id
+		private Long id;
+
+		private Time timeValue;
+
+		private Timestamp timestampValue;
+	}
+
+	@Override
+	protected boolean isCleanupTestDataRequired() {
+		return true;
+	}
+}