HHH-17751 add test

Author: gavinking

hibernate-core/src/test/java/org/hibernate/orm/test/locking/CurrentTimestampVersionTest.java

@@ -0,0 +1,50 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.locking;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.LockModeType;
+import jakarta.persistence.Version;
+import org.hibernate.annotations.CurrentTimestamp;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.Jpa;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+@Jpa(annotatedClasses = CurrentTimestampVersionTest.Timestamped.class)
+class CurrentTimestampVersionTest {
+	@Test void test(EntityManagerFactoryScope scope) {
+		Timestamped t = scope.fromTransaction( entityManager -> {
+			Timestamped timestamped = new Timestamped();
+			timestamped.id = 1L;
+			entityManager.persist( timestamped );
+			return timestamped;
+		} );
+		assertNotNull( t.timestamp );
+		scope.inTransaction( entityManager -> {
+			Timestamped timestamped = entityManager.find( Timestamped.class, 1L,
+					LockModeType.OPTIMISTIC_FORCE_INCREMENT );
+			assertNotNull( timestamped );
+			assertNotNull( timestamped.timestamp );
+		} );
+		scope.inTransaction( entityManager -> {
+			Timestamped timestamped = entityManager.find( Timestamped.class, 1L );
+			timestamped.content = "new content";
+		} );
+		// TODO: assert some stuff about the timestamp values
+	}
+	@Entity
+	static class Timestamped {
+		@Id
+		Long id;
+		@CurrentTimestamp @Version
+		LocalDateTime timestamp;
+		String content;
+	}
+}