/*
* Copyright ( c ) 2018 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation . Oracle designates this
* particular file as subject to the " Classpath " exception as provided
* by Oracle in the LICENSE file that accompanied this code .
*
* 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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/*
* @ test
* @ bug 4397357 6565620 6959267 7070436 7198195 8032446 8072600 8221431
* @ summary Confirm normal case mappings are handled correctly .
* @ library / lib / testlibrary / java / lang
* @ run main / timeout = 200 UnicodeCasingTest
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Locale;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class UnicodeCasingTest {
private static boolean err = false ;
// Locales which are used for testing
private static List<Locale> locales = new ArrayList<>();
static {
locales.add(Locale.of("az" ));
locales.addAll(java.util.Arrays.asList(Locale.getAvailableLocales()));
}
// Default locale
private static String defaultLang;
// List for Unicode characters whose mappings are included in
// SpecialCasing.txt and mappings in UnicodeData.txt isn't applicable.
private static Map<String, String> excludeList = new HashMap<>();
public static void main(String[] args) {
UnicodeCasingTest specialCasingTest = new UnicodeCasingTest();
specialCasingTest.test();
}
private void test() {
Locale defaultLocale = Locale.getDefault();
BufferedReader in = null ;
try {
// First, we create exlude lists of characters whose mappings exist
// in SpecialCasing.txt and mapping rules in UnicodeData.txt aren't
// applicable.
in = Files.newBufferedReader(UCDFiles.SPECIAL_CASING.toRealPath());
String line;
while ((line = in.readLine()) != null ) {
if (line.length() == 0 || line.charAt(0 ) == '#' ) {
continue ;
}
updateExcludeList(line);
}
in.close();
in = null ;
int locale_num = locales.size();
for (int l = 0 ; l < locale_num; l++) {
Locale locale = locales.get(l);
Locale.setDefault(locale);
defaultLang = locale.getLanguage();
// System.out.println("Testing on " + locale + " locale....");
System.err.println("Testing on " + locale + " locale...." );
in = Files.newBufferedReader(UCDFiles.UNICODE_DATA.toRealPath());
while ((line = in.readLine()) != null ) {
if (line.length() == 0 || line.charAt(0 ) == '#' ) {
continue ;
}
test(line);
}
in.close();
in = null ;
}
}
catch (IOException e) {
err = true ;
e.printStackTrace();
}
finally {
if (in != null ) {
try {
in.close();
}
catch (IOException e) {
}
}
Locale.setDefault(defaultLocale);
if (err) {
throw new RuntimeException("UnicodeCasingTest failed." );
} else {
System.out.println("*** UnicodeCasingTest passed." );
}
}
}
private void updateExcludeList(String line) {
int index = line.indexOf('#' );
if (index != -1 ) {
line = line.substring(0 , index);
}
String lang = null ;
String condition = null ;
String[] fields = line.split("; " );
// If the given character is mapped to multiple characters under the
// normal condition, add it to the exclude list.
if (fields.length == 4 ) {
excludeList.put(fields[0 ], "all" );
} else if (fields.length == 5 ) {
if (fields[4 ].length() == 2 ) { /// locale
if (excludeList.get(fields[0 ]) == null ) {
excludeList.put(fields[0 ], fields[4 ]);
}
}
}
}
private void test(String line) {
String[] fields = line.split(";" , 15 );
String orig = convert(fields[0 ]);
String lang = excludeList.get(fields[0 ]);
if (!"all" .equals(lang) && !defaultLang.equals(lang)) {
if (fields[12 ].length() == 0 ) {
testUpperCase(orig, convert(fields[0 ]));
} else {
testUpperCase(orig, convert(fields[12 ]));
}
if (fields[13 ].length() == 0 ) {
testLowerCase(orig, convert(fields[0 ]));
} else {
testLowerCase(orig, convert(fields[13 ]));
}
}
}
private void testUpperCase(String orig, String expected) {
String got = orig.toUpperCase();
// Ugly workaround for special mappings for az and tr locales....
if (orig.equals("\u0069" ) &&
(defaultLang.equals("az" ) || defaultLang.equals("tr" ))) {
expected = "\u0130" ;
}
if (!expected.equals(got)) {
err = true ;
System.err.println("toUpperCase(" +
") failed.\n\tOriginal: " + toString(orig) +
"\n\tGot: " + toString(got) +
"\n\tExpected: " + toString(expected));
}
}
private void testLowerCase(String orig, String expected) {
String got = orig.toLowerCase();
// Ugly workaround for special mappings for az and tr locales....
if (orig.equals("\u0049" ) &&
(defaultLang.equals("az" ) || defaultLang.equals("tr" ))) {
expected = "\u0131" ;
}
if (!expected.equals(got)) {
err = true ;
System.err.println("toLowerCase(" +
") failed.\n\tOriginal: " + toString(orig) +
"\n\tGot: " + toString(got) +
"\n\tExpected: " + toString(expected));
}
}
StringBuilder sb = new StringBuilder();
private String convert(String str) {
sb.setLength(0 );
String[] tokens = str.split(" " );
for (String token : tokens) {
int j = Integer.parseInt(token, 16 );
if (j < Character.MIN_SUPPLEMENTARY_CODE_POINT) {
sb.append((char )j);
} else {
sb.append(Character.toChars(j));
}
}
return sb.toString();
}
private String toString(String str) {
sb.setLength(0 );
int len = str.length();
for (int i = 0 ; i < len; i++) {
sb.append("0x" ).append(Integer.toHexString(str.charAt(i)).toUpperCase()).append(" " );
}
return sb.toString();
}
}
Messung V0.5 in Prozent C=94 H=90 G=91
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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