1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /** 27 * @test 28 * @bug 4114080 6565620 6959267 7070436 7198195 8032446 8072600 8221431 29 * @summary Make sure the attributes of Unicode characters, as 30 * returned by the Character API, are as expected. Do this by 31 * comparing them to a baseline file together with a list of 32 * known diffs. 33 * @library /lib/testlibrary/java/lang 34 * @build UnicodeSpec CharCheck 35 * @run main CheckUnicode 36 * @author Alan Liu 37 * @author John O'Conner 38 */ 39 40 import java.io.*; 41 42 public class CheckUnicode { 43 public static void main(String args[]) throws Exception { 44 45 // 1. Check that the current 12.1 spec file is handled by the current 46 // version of Character. 47 File unicodeSpec = UCDFiles.UNICODE_DATA.toFile(); 48 for (int x = 0; x < 16; ++x) { 49 int diffs = CharCheck.check(x, unicodeSpec); 50 if (diffs != 0) { 51 throw new RuntimeException("Unicode properties have changed " + 52 "in an unexpected way"); 53 } 54 } 55 56 // 2. Check that Java identifiers are recognized correctly. 57 // test a few characters that are good id starts 58 char[] idStartChar = {'$', '\u20AC', 'a', 'A', 'z', 'Z', '_', '\u0E3F', 59 '\u1004', '\u10A0', '\u3400', '\u4E00', '\uAC00' }; 60 for (int x = 0; x < idStartChar.length; x++) { 61 if (Character.isJavaIdentifierStart(idStartChar[x]) != true) { 62 throw new RuntimeException("Java id start characters are not recognized."); 63 } 64 } 65 66 // test a few characters that are good id parts 67 char[] idPartChar = {'0', '9', '\u0000', '\u0008', '\u000E', '\u007F'}; 68 for (int x=0; x< idStartChar.length; x++) { 69 if (Character.isJavaIdentifierPart(idStartChar[x]) != true) { 70 throw new RuntimeException("Java id part characters are not recognized."); 71 } 72 } 73 for (int x=0; x<idPartChar.length; x++) { 74 if (Character.isJavaIdentifierPart(idPartChar[x]) != true) { 75 throw new RuntimeException("Java id part characters are not recognized."); 76 } 77 } 78 79 // now do some negative checks 80 for (int x=0; x< idPartChar.length; x++) { 81 if (Character.isJavaIdentifierStart(idPartChar[x]) != false) { 82 throw new RuntimeException("These Java id part characters" + 83 "should not be start characters."); 84 } 85 } 86 } 87 }