add yet another time zone test

hibernate-core/src/test/java/org/hibernate/orm/test/timezones/ExplicitZonedTest.java

@@ -0,0 +1,62 @@
+package org.hibernate.orm.test.timezones;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.dialect.SybaseDialect;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.ServiceRegistry;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.Setting;
+import org.junit.jupiter.api.Test;
+
+import java.time.OffsetDateTime;
+import java.time.ZoneId;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.temporal.ChronoUnit;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@DomainModel(annotatedClasses = ExplicitZonedTest.Zoned.class)
+@SessionFactory
+@ServiceRegistry(settings = {@Setting(name = AvailableSettings.TIMEZONE_DEFAULT_STORAGE, value = "NORMALIZE"),
+							@Setting(name = AvailableSettings.JDBC_TIME_ZONE, value = "GMT+5")})
+public class ExplicitZonedTest {
+
+	@Test void test(SessionFactoryScope scope) {
+		ZonedDateTime nowZoned = ZonedDateTime.now().withZoneSameInstant( ZoneId.of("CET") );
+		OffsetDateTime nowOffset = OffsetDateTime.now().withOffsetSameInstant( ZoneOffset.ofHours(3) );
+		long id = scope.fromTransaction( s-> {
+			Zoned z = new Zoned();
+			z.zonedDateTime = nowZoned;
+			z.offsetDateTime = nowOffset;
+			s.persist(z);
+			return z.id;
+		});
+		scope.inSession( s-> {
+			Zoned z = s.find(Zoned.class, id);
+			if ( scope.getSessionFactory().getJdbcServices().getDialect() instanceof SybaseDialect) {
+				// Sybase with jTDS driver has 1/300th sec precision
+				assertEquals( nowZoned.toInstant().truncatedTo(ChronoUnit.SECONDS), z.zonedDateTime.toInstant().truncatedTo(ChronoUnit.SECONDS));
+				assertEquals( nowOffset.toInstant().truncatedTo(ChronoUnit.SECONDS), z.offsetDateTime.toInstant().truncatedTo(ChronoUnit.SECONDS));
+			}
+			else {
+				assertEquals( nowZoned.toInstant(), z.zonedDateTime.toInstant() );
+				assertEquals( nowOffset.toInstant(), z.offsetDateTime.toInstant() );
+			}
+			assertEquals( ZoneId.systemDefault(), z.zonedDateTime.getZone() );
+			assertEquals( ZoneOffset.systemDefault().normalized(), z.offsetDateTime.getOffset().normalized() );
+		});
+	}
+
+	@Entity
+	public static class Zoned {
+		@Id
+		@GeneratedValue Long id;
+		ZonedDateTime zonedDateTime;
+		OffsetDateTime offsetDateTime;
+	}
+}