/*
* Copyright ( c ) 2018 , 2020 , 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 .
*
* 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 ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/*
* @ test
* @ bug 4221795 8174270
* @ summary Confirm Normalizer ' s fundamental behavior
* @ modules java . base / sun . text java . base / jdk . internal . icu . text
* @ library / java / text / testlib
* @ compile - XDignore . symbol . file NormalizerAPITest . java
* @ run main / timeout = 30 NormalizerAPITest
*/
import java.text.Normalizer;
import java.nio.CharBuffer;
/*
* Tests around null / " " arguments for public methods .
*
* You may think that so elaborate testing for such a part is not necessary .
* But I actually detected a bug by this program during my porting work .
*/
public class NormalizerAPITest extends IntlTest {
//
// Shortcuts
//
/*
* Normalization forms
*/
static final Normalizer.Form NFC = Normalizer.Form.NFC;
static final Normalizer.Form NFD = Normalizer.Form.NFD;
static final Normalizer.Form NFKC = Normalizer.Form.NFKC;
static final Normalizer.Form NFKD = Normalizer.Form.NFKD;
static final Normalizer.Form[] forms = {NFC, NFD, NFKC, NFKD};
static final Normalizer.Form NULL = null ;
/*
* Option
*/
static final int [] options = {
0 x00,
sun.text.Normalizer.UNICODE_3_2,
jdk.internal.icu.text.NormalizerBase.UNICODE_3_2,
jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST,
};
static final String nonNullStr = "testdata" ;
public static void main(String[] args) throws Exception {
new NormalizerAPITest().run(args);
}
/*
* Check if normalize ( null ) throws NullPointerException as expected .
*/
public void Test_NullPointerException_java_normalize() {
boolean error = false ;
/* Check null as String to be normalized */
for (int i = 0 ; i < forms.length; i++) {
try {
String s = Normalizer.normalize(null , forms[i]);
error = true ;
}
catch (NullPointerException e) {
}
}
/* Check null as a Normalization form */
try {
String s = Normalizer.normalize(nonNullStr, NULL );
error = true ;
}
catch (NullPointerException e) {
}
if (error) {
errln("normalize(null) should throw NullPointerException." );
}
}
/*
* Check if normalize ( null ) throws NullPointerException as expected .
*/
public void Test_NullPointerException_sun_normalize() {
boolean error = false ;
for (int j = 0 ; j < options.length; j++) {
for (int i = 0 ; i < forms.length; i++) {
/* Check null as a String to be normalized */
try {
String s = sun.text.Normalizer.normalize(null , forms[i], options[j]);
error = true ;
}
catch (NullPointerException e) {
}
}
/* Check null as a Normalization form */
try {
String s = sun.text.Normalizer.normalize(nonNullStr, NULL , options[j]);
error = true ;
}
catch (NullPointerException e) {
}
}
if (error) {
errln("normalize(null) should throw NullPointerException." );
}
}
/*
* Check if isNormalized ( null ) throws NullPointerException as expected .
*/
public void Test_NullPointerException_java_isNormalized() {
boolean error = false ;
for (int i = 0 ; i < forms.length; i++) {
try {
/* Check null as a String to be scanned */
boolean b = Normalizer.isNormalized(null , forms[i]);
error = true ;
}
catch (NullPointerException e) {
}
}
/* Check null as a String to be scanned */
try {
boolean b = Normalizer.isNormalized(nonNullStr, NULL );
error = true ;
}
catch (NullPointerException e) {
}
if (error) {
errln("isNormalized(null) should throw NullPointerException." );
}
}
/*
* Check if isNormalized ( null ) throws NullPointerException as expected .
*/
public void Test_NullPointerException_sun_isNormalized() {
boolean error = false ;
for (int j = 0 ; j < options.length; j++) {
for (int i = 0 ; i < forms.length; i++) {
try {
/* Check null as a String to be scanned */
boolean b = sun.text.Normalizer.isNormalized(null , forms[i], options[j]);
error = true ;
}
catch (NullPointerException e) {
}
}
/* Check null as a String to be scanned */
try {
boolean b = sun.text.Normalizer.isNormalized(nonNullStr, NULL , options[j]);
error = true ;
}
catch (NullPointerException e) {
}
}
if (error) {
errln("isNormalized(null) should throw NullPointerException." );
}
}
/*
* Check if isNormalized ( " " ) doesn ' t throw NullPointerException and returns
* " " as expected .
*/
public void Test_No_NullPointerException_java_normalize() {
boolean error = false ;
for (int i = 0 ; i < forms.length; i++) {
try {
String s = Normalizer.normalize("" , forms[i]);
if (!s.equals("" )) {
error = true ;
}
}
catch (NullPointerException e) {
error = true ;
}
}
if (error) {
errln("normalize() for String(\" \") should return \" \"." );
}
}
/*
* Check if isNormalized ( " " ) doesn ' t throw NullPointerException and returns
* " " as expected .
*/
public void Test_No_NullPointerException_sun_normalize() {
boolean error = false ;
for (int j = 0 ; j < options.length; j++) {
for (int i = 0 ; i < forms.length; i++) {
try {
String s = sun.text.Normalizer.normalize("" , forms[i], options[j]);
if (!s.equals("" )) {
error = true ;
}
}
catch (NullPointerException e) {
error = true ;
}
}
}
if (error) {
errln("normalize() for String(\" \") should return \" \"." );
}
}
/*
* Check if isNormalized ( " " ) doesn ' t throw NullPointerException and returns
* " " as expected .
*/
public void Test_No_NullPointerException_java_isNormalized() {
boolean error = false ;
for (int i = 0 ; i < forms.length; i++) {
try {
boolean b = Normalizer.isNormalized("" , forms[i]);
if (!b) {
error = true ;
}
}
catch (NullPointerException e) {
error = true ;
}
}
if (error) {
errln("isNormalized() for String(\" \") should not return true." );
}
}
/*
* Check if isNormalized ( " " ) doesn ' t throw NullPointerException and returns
* " " as expected .
*/
public void Test_No_NullPointerException_sun_isNormalized() {
boolean error = false ;
for (int j = 0 ; j < options.length; j++) {
for (int i = 0 ; i < forms.length; i++) {
try {
boolean b = sun.text.Normalizer.isNormalized("" , forms[i], options[j]);
if (!b) {
error = true ;
}
}
catch (NullPointerException e) {
error = true ;
}
}
}
if (error) {
errln("isNormalized() for String(\" \") should not return true." );
}
}
/*
* Check if normalize ( ) and isNormalized ( ) work as expected for every
* known class which implement CharSequence Interface .
*/
public void Test_CharSequence() {
check_CharSequence(String.valueOf(inputData),
String.valueOf(outputData));
check_CharSequence(new StringBuffer(original),
new StringBuffer(expected));
check_CharSequence(new StringBuilder(original),
new StringBuilder(expected));
check_CharSequence(CharBuffer.wrap(inputData),
CharBuffer.wrap(outputData));
}
void check_CharSequence(CharSequence in, CharSequence expected) {
String out = Normalizer.normalize(in, NFD);
if (!out.equals(expected.toString())) {
errln("java.text.Normalizer.normalize(" +
in.getClass().getSimpleName() + ") failed." );
}
out = sun.text.Normalizer.normalize(in, NFD,
jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST);
if (!out.equals(expected.toString())) {
errln("sun.text.Normalizer.normalize(" +
in.getClass().getSimpleName() + ") failed." );
}
if (!Normalizer.isNormalized(expected, NFD)) {
errln("java.text.Normalizer.isNormalize(" +
in.getClass().getSimpleName() + ") failed." );
}
if (!sun.text.Normalizer.isNormalized(expected, NFD,
jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST)) {
errln("sun.text.Normalizer.isNormalize(" +
in.getClass().getSimpleName() + ") failed." );
}
}
static final char [] inputData = {'T' , 's' , 'c' , 'h' , 'u' , '\u1e9b' };
static final char [] outputData = {'T' , 's' , 'c' , 'h' , 'u' , '\u017f' , '\u0307' };
static final String original = String.valueOf(inputData);
static final String expected = String.valueOf(outputData);
}
Messung V0.5 in Prozent C=94 H=85 G=89
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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