347 lines
12 KiB
Java
347 lines
12 KiB
Java
/*
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* Copyright (c) 2007, 2019, 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 4830803 4886934 6565620 6959267 7070436 7198195 8032446 8072600 8202771
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* 8221431
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* @summary Check that the UnicodeBlock forName() method works as expected
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* and block ranges are correct for all Unicode characters.
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* @library /lib/testlibrary/java/lang
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* @run main CheckBlocks
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* @author John O'Conner
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*/
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import java.lang.Character.UnicodeBlock;
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import java.lang.reflect.Field;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.util.HashSet;
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import java.util.Locale;
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public class CheckBlocks {
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static boolean err = false;
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static Class<?> clazzUnicodeBlock;
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public static void main(String[] args) throws Exception {
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generateBlockList();
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try {
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clazzUnicodeBlock = Class.forName("java.lang.Character$UnicodeBlock");
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} catch (ClassNotFoundException e) {
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throw new RuntimeException("Class.forName(\"java.lang.Character$UnicodeBlock\") failed.");
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}
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for (Block blk : blocks) {
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test4830803_1(blk);
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test4830803_2();
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test4886934(blk);
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}
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test8202771();
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if (err) {
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throw new RuntimeException("Failed");
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} else {
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System.out.println("Passed");
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}
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}
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/**
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* Check that the UnicodeBlock forName() method works as expected.
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*/
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private static void test4830803_1(Block blk) throws Exception {
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/*
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* Try 3 forms of block name in the forName() method. Each form should
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* produce the same expected block.
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*/
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String blkName = blk.getName();
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// For backward compatibility
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switch (blkName) {
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case "COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS":
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blkName = "COMBINING_MARKS_FOR_SYMBOLS";
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System.out.println("*** COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS"
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+ " is replaced with COMBINING_MARKS_FOR_SYMBOLS"
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+ " for backward compatibility.");
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break;
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case "GREEK_AND_COPTIC":
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blkName = "GREEK";
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System.out.println("*** GREEK_AND_COPTIC is replaced with GREEK"
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+ " for backward compatibility.");
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break;
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case "CYRILLIC_SUPPLEMENT":
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blkName = "CYRILLIC_SUPPLEMENTARY";
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System.out.println("*** CYRILLIC_SUPPLEMENT is replaced with"
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+ " CYRILLIC_SUPPLEMENTARY for backward compatibility.");
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break;
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default:
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break;
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}
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String expectedBlock = null;
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try {
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expectedBlock = clazzUnicodeBlock.getField(blkName).getName();
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} catch (NoSuchFieldException | SecurityException e) {
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System.err.println("Error: " + blkName + " was not found.");
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err = true;
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return;
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}
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String canonicalBlockName = blk.getOriginalName();
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String idBlockName = expectedBlock;
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String regexBlockName = toRegExString(canonicalBlockName);
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if (regexBlockName == null) {
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System.err.println("Error: Block name which was processed with regex was null.");
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err = true;
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return;
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}
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if (!expectedBlock.equals(UnicodeBlock.forName(canonicalBlockName).toString())) {
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System.err.println("Error #1: UnicodeBlock.forName(\"" +
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canonicalBlockName + "\") returned wrong value.\n\tGot: " +
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UnicodeBlock.forName(canonicalBlockName) +
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"\n\tExpected: " + expectedBlock);
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err = true;
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}
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if (!expectedBlock.equals(UnicodeBlock.forName(idBlockName).toString())) {
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System.err.println("Error #2: UnicodeBlock.forName(\"" +
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idBlockName + "\") returned wrong value.\n\tGot: " +
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UnicodeBlock.forName(idBlockName) +
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"\n\tExpected: " + expectedBlock);
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err = true;
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}
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if (!expectedBlock.equals(UnicodeBlock.forName(regexBlockName).toString())) {
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System.err.println("Error #3: UnicodeBlock.forName(\"" +
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regexBlockName + "\") returned wrong value.\n\tGot: " +
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UnicodeBlock.forName(regexBlockName) +
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"\n\tExpected: " + expectedBlock);
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err = true;
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}
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}
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/**
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* now try a bad block name. This should produce an IAE.
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*/
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private static void test4830803_2() {
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boolean threwExpected = false;
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try {
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UnicodeBlock block = UnicodeBlock.forName("notdefined");
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}
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catch(IllegalArgumentException e) {
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threwExpected = true;
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}
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if (threwExpected == false) {
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System.err.println("Error: UnicodeBlock.forName(\"notdefined\") should throw IllegalArgumentException.");
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err = true;
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}
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}
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/**
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* Convert the argument to a block name form used by the regex package.
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* That is, remove all spaces.
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*/
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private static String toRegExString(String str) {
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String[] tokens = null;
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StringBuilder retStr = new StringBuilder();
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try {
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tokens = str.split(" ");
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}
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catch(java.util.regex.PatternSyntaxException e) {
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return null;
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}
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for(int x=0; x < tokens.length; ++x) {
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retStr.append(tokens[x]);
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}
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return retStr.toString();
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}
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private static void test4886934(Block blk) {
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String blkName = blk.getName();
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String blkOrigName = blk.getOriginalName();
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UnicodeBlock block;
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String blockName;
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// For backward compatibility
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switch (blkName) {
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case "COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS":
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blkName = "COMBINING_MARKS_FOR_SYMBOLS";
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System.out.println("*** COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS"
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+ " is replaced with COMBINING_MARKS_FOR_SYMBOLS"
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+ " for backward compatibility.");
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break;
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case "GREEK_AND_COPTIC":
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blkName = "GREEK";
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System.out.println("*** GREEK_AND_COPTIC is replaced with GREEK"
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+ " for backward compatibility.");
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break;
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case "CYRILLIC_SUPPLEMENT":
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blkName = "CYRILLIC_SUPPLEMENTARY";
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System.out.println("*** CYRILLIC_SUPPLEMENT is replaced with"
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+ " CYRILLIC_SUPPLEMENTARY for backward compatibility.");
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break;
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default:
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break;
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}
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for (int ch = blk.getBegin(); ch <= blk.getEnd(); ch++) {
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block = UnicodeBlock.of(ch);
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if (block == null) {
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System.err.println("Error: The block for " + blkName
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+ " is missing. Please check java.lang.Character.UnicodeBlock.");
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err = true;
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break;
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}
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blockName = block.toString();
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if (!blockName.equals(blkName)) {
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System.err.println("Error: Character(0x"
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+ Integer.toHexString(ch).toUpperCase()
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+ ") should be in \"" + blkName + "\" block "
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+ "(Block name is \"" + blkOrigName + "\")"
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+ " but found in \"" + blockName + "\" block.");
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err = true;
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}
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}
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}
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/**
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* Check if every Field of Character.UnicodeBlock is a valid Unicode Block.
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*/
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private static void test8202771() {
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Field[] fields = clazzUnicodeBlock.getFields();
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for (Field f : fields) {
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// Handle Deprecated field "SURROGATES_AREA".
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if (f.getAnnotation(Deprecated.class) != null) {
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continue;
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}
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String blkName = f.getName();
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switch (blkName) {
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case "COMBINING_MARKS_FOR_SYMBOLS":
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validateBlock("COMBINING_DIACRITICAL_MARKS_FOR_SYMBOLS");
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break;
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case "GREEK":
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validateBlock("GREEK_AND_COPTIC");
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break;
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case "CYRILLIC_SUPPLEMENTARY":
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validateBlock("CYRILLIC_SUPPLEMENT");
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break;
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default:
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validateBlock(blkName);
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break;
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}
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}
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}
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private static void validateBlock(String blkName) {
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for (Block block : blocks) {
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String blockName = block.getName();
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if (blockName.equals(blkName)) {
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return;
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}
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}
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err = true;
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System.err.println(blkName + " is not a valid Unicode Block.");
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}
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// List of all Unicode blocks, their start, and end codepoints.
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public static HashSet<Block> blocks = new HashSet<>();
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private static void generateBlockList() throws Exception {
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File blockData = UCDFiles.BLOCKS.toFile();
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try (BufferedReader f = new BufferedReader(new FileReader(blockData))) {
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String line;
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while ((line = f.readLine()) != null) {
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if (line.length() == 0 || line.charAt(0) == '#') {
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continue;
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}
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int index1 = line.indexOf('.');
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int begin = Integer.parseInt(line.substring(0, index1), 16);
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int index2 = line.indexOf(';');
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int end = Integer.parseInt(line.substring(index1 + 2, index2), 16);
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String name = line.substring(index2 + 1).trim();
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System.out.println(" Adding a Block(" + Integer.toHexString(begin) + ", " + Integer.toHexString(end)
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+ ", " + name + ")");
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blocks.add(new Block(begin, end, name));
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}
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}
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}
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}
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class Block {
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public Block() {
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blockBegin = 0;
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blockEnd = 0;
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blockName = null;
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}
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public Block(int begin, int end, String name) {
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blockBegin = begin;
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blockEnd = end;
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blockName = name.replaceAll("[ -]", "_").toUpperCase(Locale.ENGLISH);
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originalBlockName = name;
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}
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public int getBegin() {
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return blockBegin;
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}
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public int getEnd() {
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return blockEnd;
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}
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public String getName() {
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return blockName;
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}
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public String getOriginalName() {
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return originalBlockName;
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == null) return false;
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if (!(obj instanceof Block)) return false;
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Block other = (Block)obj;
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return other.blockBegin == blockBegin &&
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other.blockEnd == blockEnd &&
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other.blockName.equals(blockName) &&
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other.originalBlockName.equals(originalBlockName);
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}
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int blockBegin, blockEnd;
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String blockName, originalBlockName;
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}
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