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/**
* @ test
* @ bug 8146156 8159548 8060094
* @ modules jdk . localedata
* @ summary test whether uppercasing follows Locale . Category . FORMAT locale .
* Also test whether the uppercasing uses the locale specified to the
* Formatter API .
*
* @ run main / othervm FormatLocale
*/
import java.time.LocalDate;
import java.time.ZonedDateTime;
import java.time.ZoneId;
import java.time.Month;
import java.util.Calendar;
import java.util.Formatter;
import java.util.GregorianCalendar;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;
import java.util.stream.IntStream;
public class FormatLocale {
static final Locale TURKISH = Locale.of("tr" );
static final List<String> conversions = List.of(
"%S" ,
"%S" ,
"%TB" ,
"%G" ,
"%C" );
static final List<Object> src = List.of(
"Turkish" ,
"Turkish" ,
LocalDate.of(2016 , Month.APRIL, 1 ),
Float .valueOf(100 _000 _000 ),
'i' );
static final List<Locale> defaultLocale = List.of(
Locale.ENGLISH,
TURKISH,
TURKISH,
Locale.FRANCE,
TURKISH);
static final List<Locale> formatLocale = List.of(
TURKISH,
Locale.ENGLISH,
Locale.FRANCE,
Locale.ENGLISH,
Locale.ENGLISH);
static final List<String> expectedWithDefaultLocale = List.of(
"TURKISH" ,
"TURK\u0130SH" ,
"N\u0130SAN" ,
"1,00000E+08" ,
"\u0130" );
static final List<String> expectedWithFormatLocale = List.of(
"TURK\u0130SH" ,
"TURKISH" ,
"AVRIL" ,
"1.00000E+08" ,
"I" );
static void formatLocaleTest() {
StringBuilder sb = new StringBuilder();
// checks whether upper casing follows Locale.Category.FORMAT locale
IntStream.range(0 , src.size()).forEach(i -> {
sb.setLength(0 );
Locale.setDefault(Locale.Category.FORMAT, defaultLocale.get(i));
new Formatter(sb).format(conversions.get(i), src.get(i));
if (!sb.toString().equals(expectedWithDefaultLocale.get(i))) {
throw new RuntimeException(
"Wrong uppercasing while using Formatter.format(" +
"\" " + conversions.get(i) + " \"" +
") with the default locale: '"
+ defaultLocale.get(i) +
"'. Expected: " + expectedWithDefaultLocale.get(i) +
" Returned: " + sb.toString());
}
});
// checks whether upper casing uses the locale set during creation of
// Formatter instance, instead of the default locale
IntStream.range(0 , src.size()).forEach(i -> {
sb.setLength(0 );
Locale.setDefault(Locale.Category.FORMAT, defaultLocale.get(i));
new Formatter(sb, formatLocale.get(i)).format(conversions.get(i),
src.get(i));
if (!sb.toString().equals(expectedWithFormatLocale.get(i))) {
throw new RuntimeException(
"Wrong uppercasing while using Formatter.format(" +
"\" " + conversions.get(i) + " \"" +
") with the locale specified during instance" +
" creation: '" + formatLocale.get(i) +
"'. Expected: " + expectedWithFormatLocale.get(i) +
" Returned: " + sb.toString());
}
});
}
static void nullLocaleTest() {
String fmt = "%1$ta %1$tA %1$th %1$tB %1tZ" ;
String expected = "Fri Friday Jan January PST" ;
StringBuilder sb = new StringBuilder();
Locale orig = Locale.getDefault();
try {
Locale.setDefault(Locale.JAPAN);
Formatter f = new Formatter(sb, (Locale)null );
ZoneId zid = ZoneId.of("America/Los_Angeles" );
Calendar c = new GregorianCalendar(TimeZone.getTimeZone(zid), Locale.US);
c.set(2016 , 0 , 1 , 0 , 0 , 0 );
f.format(fmt, c);
if (!sb.toString().equals(expected)) {
throw new RuntimeException(
"Localized text returned with null locale.\n" +
" expected: " + expected + "\n" +
" returned: " + sb.toString());
}
sb.setLength(0 );
ZonedDateTime zdt = ZonedDateTime.of(2016 , 1 , 1 , 0 , 0 , 0 , 0 , zid);
f.format(fmt, zdt);
if (!sb.toString().equals(expected)) {
throw new RuntimeException(
"Localized text returned with null locale.\n" +
" expected: " + expected + "\n" +
" returned: " + sb.toString());
}
} finally {
Locale.setDefault(orig);
}
}
public static void main(String [] args) {
formatLocaleTest();
nullLocaleTest();
}
}
Messung V0.5 in Prozent C=96 H=92 G=93
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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