352 lines
11 KiB
Java
352 lines
11 KiB
Java
/*
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* Copyright (c) 2018, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4221795 8174270
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* @summary Confirm Normalizer's fundamental behavior
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* @modules java.base/sun.text java.base/jdk.internal.icu.text
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* @compile -XDignore.symbol.file NormalizerAPITest.java
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* @run junit/timeout=30 NormalizerAPITest
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*/
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import java.text.Normalizer;
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import java.nio.CharBuffer;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.fail;
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/*
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* Tests around null/"" arguments for public methods.
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*
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* You may think that so elaborate testing for such a part is not necessary.
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* But I actually detected a bug by this program during my porting work.
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*/
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public class NormalizerAPITest {
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//
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// Shortcuts
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//
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/*
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* Normalization forms
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*/
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static final Normalizer.Form NFC = Normalizer.Form.NFC;
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static final Normalizer.Form NFD = Normalizer.Form.NFD;
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static final Normalizer.Form NFKC = Normalizer.Form.NFKC;
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static final Normalizer.Form NFKD = Normalizer.Form.NFKD;
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static final Normalizer.Form[] forms = {NFC, NFD, NFKC, NFKD};
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static final Normalizer.Form NULL = null;
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/*
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* Option
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*/
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static final int[] options = {
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0x00,
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sun.text.Normalizer.UNICODE_3_2,
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jdk.internal.icu.text.NormalizerBase.UNICODE_3_2,
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jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST,
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};
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static final String nonNullStr = "testdata";
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/*
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* Check if normalize(null) throws NullPointerException as expected.
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*/
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@Test
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public void Test_NullPointerException_java_normalize() {
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boolean error = false;
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/* Check null as String to be normalized */
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for (int i = 0; i < forms.length; i++) {
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try {
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String s = Normalizer.normalize(null, forms[i]);
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error = true;
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}
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catch (NullPointerException e) {
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}
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}
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/* Check null as a Normalization form */
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try {
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String s = Normalizer.normalize(nonNullStr, NULL);
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error = true;
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}
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catch (NullPointerException e) {
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}
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if (error) {
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fail("normalize(null) should throw NullPointerException.");
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}
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}
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/*
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* Check if normalize(null) throws NullPointerException as expected.
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*/
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@Test
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public void Test_NullPointerException_sun_normalize() {
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boolean error = false;
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for (int j = 0; j < options.length; j++) {
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for (int i = 0; i < forms.length; i++) {
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/* Check null as a String to be normalized */
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try {
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String s = sun.text.Normalizer.normalize(null, forms[i], options[j]);
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error = true;
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}
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catch (NullPointerException e) {
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}
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}
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/* Check null as a Normalization form */
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try {
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String s = sun.text.Normalizer.normalize(nonNullStr, NULL, options[j]);
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error = true;
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}
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catch (NullPointerException e) {
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}
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}
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if (error) {
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fail("normalize(null) should throw NullPointerException.");
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}
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}
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/*
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* Check if isNormalized(null) throws NullPointerException as expected.
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*/
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@Test
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public void Test_NullPointerException_java_isNormalized() {
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boolean error = false;
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for (int i = 0; i < forms.length; i++) {
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try {
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/* Check null as a String to be scanned */
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boolean b = Normalizer.isNormalized(null, forms[i]);
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error = true;
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}
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catch (NullPointerException e) {
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}
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}
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/* Check null as a String to be scanned */
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try {
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boolean b = Normalizer.isNormalized(nonNullStr, NULL);
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error = true;
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}
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catch (NullPointerException e) {
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}
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if (error) {
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fail("isNormalized(null) should throw NullPointerException.");
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}
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}
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/*
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* Check if isNormalized(null) throws NullPointerException as expected.
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*/
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@Test
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public void Test_NullPointerException_sun_isNormalized() {
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boolean error = false;
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for (int j = 0; j < options.length; j++) {
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for (int i = 0; i < forms.length; i++) {
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try {
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/* Check null as a String to be scanned */
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boolean b = sun.text.Normalizer.isNormalized(null, forms[i], options[j]);
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error = true;
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}
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catch (NullPointerException e) {
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}
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}
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/* Check null as a String to be scanned */
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try {
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boolean b = sun.text.Normalizer.isNormalized(nonNullStr, NULL, options[j]);
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error = true;
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}
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catch (NullPointerException e) {
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}
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}
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if (error) {
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fail("isNormalized(null) should throw NullPointerException.");
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}
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}
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/*
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* Check if isNormalized("") doesn't throw NullPointerException and returns
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* "" as expected.
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*/
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@Test
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public void Test_No_NullPointerException_java_normalize() {
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boolean error = false;
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for (int i = 0; i < forms.length; i++) {
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try {
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String s = Normalizer.normalize("", forms[i]);
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if (!s.equals("")) {
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error = true;
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}
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}
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catch (NullPointerException e) {
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error = true;
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}
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}
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if (error) {
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fail("normalize() for String(\"\") should return \"\".");
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}
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}
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/*
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* Check if isNormalized("") doesn't throw NullPointerException and returns
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* "" as expected.
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*/
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@Test
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public void Test_No_NullPointerException_sun_normalize() {
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boolean error = false;
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for (int j = 0; j < options.length; j++) {
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for (int i = 0; i < forms.length; i++) {
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try {
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String s = sun.text.Normalizer.normalize("", forms[i], options[j]);
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if (!s.equals("")) {
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error = true;
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}
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}
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catch (NullPointerException e) {
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error = true;
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}
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}
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}
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if (error) {
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fail("normalize() for String(\"\") should return \"\".");
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}
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}
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/*
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* Check if isNormalized("") doesn't throw NullPointerException and returns
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* "" as expected.
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*/
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@Test
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public void Test_No_NullPointerException_java_isNormalized() {
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boolean error = false;
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for (int i = 0; i < forms.length; i++) {
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try {
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boolean b = Normalizer.isNormalized("", forms[i]);
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if (!b) {
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error = true;
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}
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}
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catch (NullPointerException e) {
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error = true;
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}
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}
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if (error) {
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fail("isNormalized() for String(\"\") should not return true.");
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}
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}
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/*
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* Check if isNormalized("") doesn't throw NullPointerException and returns
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* "" as expected.
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*/
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@Test
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public void Test_No_NullPointerException_sun_isNormalized() {
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boolean error = false;
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for (int j = 0; j < options.length; j++) {
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for (int i = 0; i < forms.length; i++) {
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try {
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boolean b = sun.text.Normalizer.isNormalized("", forms[i], options[j]);
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if (!b) {
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error = true;
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}
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}
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catch (NullPointerException e) {
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error = true;
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}
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}
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}
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if (error) {
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fail("isNormalized() for String(\"\") should not return true.");
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}
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}
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/*
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* Check if normalize() and isNormalized() work as expected for every
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* known class which implement CharSequence Interface.
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*/
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@Test
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public void Test_CharSequence() {
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check_CharSequence(String.valueOf(inputData),
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String.valueOf(outputData));
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check_CharSequence(new StringBuffer(original),
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new StringBuffer(expected));
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check_CharSequence(new StringBuilder(original),
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new StringBuilder(expected));
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check_CharSequence(CharBuffer.wrap(inputData),
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CharBuffer.wrap(outputData));
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}
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void check_CharSequence(CharSequence in, CharSequence expected) {
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String out = Normalizer.normalize(in, NFD);
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if (!out.equals(expected.toString())) {
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fail("java.text.Normalizer.normalize(" +
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in.getClass().getSimpleName() + ") failed.");
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}
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out = sun.text.Normalizer.normalize(in, NFD,
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jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST);
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if (!out.equals(expected.toString())) {
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fail("sun.text.Normalizer.normalize(" +
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in.getClass().getSimpleName() + ") failed.");
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}
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if (!Normalizer.isNormalized(expected, NFD)) {
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fail("java.text.Normalizer.isNormalize(" +
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in.getClass().getSimpleName() + ") failed.");
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}
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if (!sun.text.Normalizer.isNormalized(expected, NFD,
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jdk.internal.icu.text.NormalizerBase.UNICODE_LATEST)) {
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fail("sun.text.Normalizer.isNormalize(" +
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in.getClass().getSimpleName() + ") failed.");
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}
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}
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static final char[] inputData = {'T', 's', 'c', 'h', 'u', '\u1e9b'};
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static final char[] outputData = {'T', 's', 'c', 'h', 'u', '\u017f', '\u0307'};
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static final String original = String.valueOf(inputData);
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static final String expected = String.valueOf(outputData);
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}
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