| /* | |
| * Copyright (c) 2005, 2025, 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 6329116 6756569 6757131 6758988 6764308 6796489 6834474 6609737 6507067 | |
| * 7039469 7090843 7103108 7103405 7158483 8008577 8059206 8064560 8072042 | |
| * 8077685 8151876 8166875 8169191 8170316 8176044 8174269 8347841 8347955 | |
| * @summary Make sure that timezone short display names are identical to Olson's data. | |
| * @run junit Bug6329116 | |
| */ | |
| import java.io.*; | |
| import java.time.ZoneId; | |
| import java.util.*; | |
| import java.util.function.Predicate; | |
| import org.junit.jupiter.api.Test; | |
| import static org.junit.jupiter.api.Assertions.fail; | |
| public class Bug6329116 { | |
| // Do not test all locales, as some locales have localized | |
| // short names in CLDR. Test only for the US locale | |
| // static Locale[] locales = Locale.getAvailableLocales(); | |
| static Locale[] locales = {Locale.US}; | |
| static String[] timezones = TimeZone.availableIDs() | |
| .filter(Predicate.not(ZoneId.SHORT_IDS::containsKey)) | |
| .toArray(String[]::new); | |
| @Test | |
| public void bug6329116() throws IOException { | |
| boolean err = false; | |
| HashMap<String, String> aliasTable = new HashMap<>(); | |
| HashSet<String> timezoneTable = new HashSet<>(); | |
| for (String t : timezones) { | |
| timezoneTable.add(t); | |
| } | |
| String line, key, value; | |
| StringTokenizer st; | |
| try (TextFileReader in = new TextFileReader("aliases.txt")) { | |
| while ((line = in.readLine()) != null) { | |
| st = new StringTokenizer(line); | |
| st.nextToken(); | |
| key = st.nextToken(); | |
| value = st.nextToken(); | |
| if (!value.equals("ROC")) { | |
| if (aliasTable.containsKey(key)) { | |
| aliasTable.put(key, aliasTable.get(key) + " " + value); | |
| } else { | |
| aliasTable.put(key, value); | |
| } | |
| } | |
| } | |
| } | |
| try (TextFileReader in = new TextFileReader("displaynames.txt")) { | |
| String timezoneID, expected, expected_DST, got; | |
| String[] aliases, tzs; | |
| TimeZone tz; | |
| while ((line = in.readLine()) != null) { | |
| st = new StringTokenizer(line); | |
| timezoneID = st.nextToken(); | |
| expected = st.nextToken(); | |
| if (st.hasMoreTokens()) { | |
| expected_DST = st.nextToken(); | |
| } else { | |
| expected_DST = null; | |
| } | |
| if (aliasTable.containsKey(timezoneID)) { | |
| aliases = aliasTable.get(timezoneID).split(" "); | |
| tzs = new String[1 + aliases.length]; | |
| System.arraycopy(aliases, 0, tzs, 1, aliases.length); | |
| aliasTable.remove(timezoneID); | |
| } else { | |
| tzs = new String[1]; | |
| } | |
| tzs[0] = timezoneID; | |
| for (int j = 0; j < tzs.length; j++) { | |
| if (ZoneId.SHORT_IDS.containsKey(tzs[j])) { | |
| continue; | |
| } | |
| tz = TimeZone.getTimeZone(tzs[j]); | |
| if (!tzs[j].equals(tz.getID())) { | |
| System.err.println(tzs[j] + " may not be a valid Timezone ID and \"" + tz.getID() + "\" was returned. Please check it."); | |
| err = true; | |
| } | |
| timezoneTable.remove(tzs[j]); | |
| for (int i = 0; i < locales.length; i++) { | |
| got = tz.getDisplayName(false, TimeZone.SHORT, locales[i]); | |
| if (!expected.equals(got) && | |
| !expected.startsWith(got + "/") && | |
| !expected.endsWith("/" + got)) { | |
| if (useLocalizedShortDisplayName(tz, locales[i], got, false)) { | |
| /* | |
| System.out.println(tzs[j] + | |
| ((j > 0) ? "(Alias of \"" + tzs[0] + "\")" : "") + | |
| " seems to use a localized short display name" + | |
| ": original: " + expected + | |
| ": got: " + got + " for non-DST in " + | |
| locales[i] + " locale."); | |
| */ | |
| } else { | |
| System.err.println(tzs[j] + | |
| ((j > 0) ? "(Alias of \"" + tzs[0] + "\")" : "") + | |
| ": expected: " + expected + | |
| ": got: " + got + " for non-DST in " + | |
| locales[i] + " locale."); | |
| err = true; | |
| } | |
| } | |
| got = tz.getDisplayName(true, TimeZone.SHORT, locales[i]); | |
| if (expected_DST != null) { | |
| if (!expected_DST.equals(got) && | |
| !expected_DST.startsWith(got + "/") && | |
| !expected_DST.endsWith("/" + got)) { | |
| if (tzs[j].equals("Europe/London") && | |
| locales[i].equals(new Locale("en", "IE"))) { | |
| continue; | |
| } else if (useLocalizedShortDisplayName(tz, locales[i], got, true)) { | |
| /* | |
| System.out.println(tzs[j] + | |
| ((j > 0) ? "(Alias of \"" + tzs[0] + "\")" : "") + | |
| " seems to use a localized short display name" + | |
| ": original: " + expected_DST + | |
| ": got: " + got + " for DST in " + | |
| locales[i] + " locale."); | |
| */ | |
| continue; | |
| } | |
| System.err.println(tzs[j] + | |
| ((j > 0) ? "(Alias of \"" + tzs[0] + "\")" : "") + | |
| ": expected: " + expected_DST + | |
| ": got: " + got + " for DST in " + | |
| locales[i] + " locale."); | |
| err = true; | |
| } | |
| } else { | |
| // Some timezones don't have DST display names in Olson's data, | |
| // and we created them ourselves based on non-DST display names | |
| // to prepare potential use in the future. | |
| // Because there's no expected name, we don't judge if these | |
| // DST display names are correct but just compare them with | |
| // non-DST diplay names for checking with our eyes . | |
| if (!expected.equals(got) && | |
| !expected.startsWith(got + "/") && | |
| !expected.endsWith("/" + got)) { | |
| /* | |
| System.out.println("## " + tzs[j] + | |
| ((j > 0) ? "(Alias of \"" + tzs[0] + "\")" : "") + | |
| ": expected: " + expected + | |
| ": got: " + got + " for DST in " + | |
| locales[i] + " locale."); | |
| */ | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| if (!timezoneTable.isEmpty()) { | |
| System.out.println("# Timezone(s) valid in JRE but untested in this test program:"); | |
| Iterator<String> it = timezoneTable.iterator(); | |
| while (it.hasNext()) { | |
| System.out.println(it.next()); | |
| } | |
| System.out.println(); | |
| } | |
| if (!aliasTable.isEmpty()) { | |
| System.out.println("# Timezone(s) exists in Olson's data as Link but unused in JRE:"); | |
| for (Map.Entry<String, String> entry : aliasTable.entrySet()) { | |
| System.out.println(entry); | |
| } | |
| } | |
| if (err) { | |
| fail("At least one timezone display name is incorrect."); | |
| } | |
| } | |
| static boolean useLocalizedShortDisplayName(TimeZone tz, | |
| Locale locale, | |
| String got, | |
| boolean inDST) { | |
| // if (locale.getLanguage().equals("de")) { | |
| // String name = tz.getDisplayName(inDST, TimeZone.LONG, locale); | |
| // if (inDST) { | |
| // if (("Mitteleurop\u00e4ische Sommerzeit".equals(name) && "MESZ".equals(got)) || | |
| // ("Osteurop\u00e4ische Sommerzeit".equals(name) && "OESZ".equals(got)) || | |
| // ("Westeurop\u00e4ische Sommerzeit".equals(name) && "WESZ".equals(got))) { | |
| // return true; | |
| // } | |
| // } else { | |
| // if (("Mitteleurop\u00e4ische Zeit".equals(name) && "MEZ".equals(got)) || | |
| // ("Osteurop\u00e4ische Zeit".equals(name) && "OEZ".equals(got)) || | |
| // ("Westeurop\u00e4ische Zeit".equals(name) && "WEZ".equals(got))) { | |
| // return true; | |
| // } | |
| // } | |
| // } else if (locale.getLanguage().equals("zh") && | |
| // (locale.getCountry().equals("TW") || locale.getCountry().equals("HK"))) { | |
| // String name = tz.getDisplayName(inDST, TimeZone.LONG, locale); | |
| // if (inDST) { | |
| // if (("\u53f0\u7063\u590f\u4ee4\u6642\u9593".equals(name) && "TDT".equals(got))) { | |
| // return true; | |
| // } | |
| // } else { | |
| // if (("\u53f0\u7063\u6a19\u6e96\u6642\u9593".equals(name) && "TST".equals(got))) { | |
| // return true; | |
| // } | |
| // } | |
| // } | |
| // If we get a TimeZone with GMT+hh:mm format, we can ignore the offset value | |
| if (tz.getDisplayName(Locale.ENGLISH).startsWith("GMT+") || tz.getDisplayName(Locale.ENGLISH).startsWith("GMT-")) { | |
| return tz.getDisplayName().substring(0, 3).equals(got.substring(0, 3)); | |
| } | |
| return false; | |
| } | |
| } |