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/*
* @ test
* @ bug 8202764
* @ modules jdk . localedata
* @ summary Checks time zone names are consistent with aliased ids ,
* between DateFormatSymbols . getZoneStrings ( ) and getDisplayName ( )
* of TimeZone / ZoneId classes
* @ run testng / othervm Bug8202764
*/
import static org.testng.Assert .assertEquals;
import java.time.ZoneId;
import java.time.format.TextStyle;
import java.text.DateFormatSymbols;
import java.util.Arrays;
import java.util.Locale;
import java.util.Set;
import java.util.TimeZone;
import org.testng.annotations.Test;
public class Bug8202764 {
@Test
public void testAliasedTZs() {
Set<String> zoneIds = ZoneId.getAvailableZoneIds();
Arrays.stream(DateFormatSymbols.getInstance(Locale.US).getZoneStrings())
.forEach(zone -> {
System.out.println(zone[0 ]);
TimeZone tz = TimeZone.getTimeZone(zone[0 ]);
assertEquals(zone[1 ], tz.getDisplayName(false , TimeZone.LONG , Locale.US));
assertEquals(zone[2 ], tz.getDisplayName(false , TimeZone.SHORT , Locale.US));
assertEquals(zone[3 ], tz.getDisplayName(true , TimeZone.LONG , Locale.US));
assertEquals(zone[4 ], tz.getDisplayName(true , TimeZone.SHORT , Locale.US));
if (zoneIds.contains(zone[0 ])) {
// Some of the ids, e.g. three-letter ids are not supported in ZoneId
ZoneId zi = tz.toZoneId();
assertEquals(zone[5 ], zi.getDisplayName(TextStyle.FULL, Locale.US));
assertEquals(zone[6 ], zi.getDisplayName(TextStyle.SHORT , Locale.US));
}
});
}
}
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