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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
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*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.util.TimeZone;
import org.testng.annotations.Test;
import org.testng.annotations.DataProvider;
import static org.testng.Assert .assertEquals;
/**
* @ test
* @ bug 8285844
* @ summary Checks round - trips between TimeZone and ZoneId are consistent
* @ run testng ZoneIdRoundTripTest
*/
@Test
public class ZoneIdRoundTripTest {
@DataProvider
private Object[][] testZoneIds() {
return new Object[][] {
{ZoneId.of("Z" ), 0 },
{ZoneId.of("UT" ), 0 },
{ZoneId.of("UTC" ), 0 },
{ZoneId.of("GMT" ), 0 },
{ZoneId.of("+00:01" ), 60 _000 },
{ZoneId.of("-00:01" ), -60 _000 },
{ZoneId.of("+00:00:01" ), 1 _000 },
{ZoneId.of("-00:00:01" ), -1 _000 },
{ZoneId.of("UT+00:00:01" ), 1 _000 },
{ZoneId.of("UT-00:00:01" ), -1 _000 },
{ZoneId.of("UTC+00:00:01" ), 1 _000 },
{ZoneId.of("UTC-00:00:01" ), -1 _000 },
{ZoneId.of("GMT+00:00:01" ), 1 _000 },
{ZoneId.of("GMT-00:00:01" ), -1 _000 },
{ZoneOffset.of("+00:00:01" ), 1 _000 },
{ZoneOffset.of("-00:00:01" ), -1 _000 },
};
}
@Test(dataProvider="testZoneIds" )
public void test_ZoneIdRoundTrip(ZoneId zid, int offset) {
var tz = TimeZone.getTimeZone(zid);
assertEquals(tz.getRawOffset(), offset);
assertEquals(tz.toZoneId().normalized(), zid.normalized());
}
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
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