8028265: Add legacy tz tests to OpenJDK

Backport-of: 92deab546549ca549408a983fe361d9536d2cd37

test/jdk/java/util/TimeZone/AssureTzdataVersion.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2015, 2022, 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 8060126
+ * @summary Make sure that the tzdata version matches between the run-time and tests.
+ */
+import java.time.zone.ZoneRules;
+import java.time.zone.ZoneRulesProvider;
+import java.util.NavigableMap;
+
+public class AssureTzdataVersion {
+    public static void main(String... args) throws Exception {
+        // get the tzdata version for the run-time
+        NavigableMap<String, ZoneRules> map;
+        map = ZoneRulesProvider.getVersions("America/Los_Angeles");
+        if (map.isEmpty()) {
+            throw new RuntimeException("Unknown runtime tzdata version");
+        }
+        String runtime = map.lastEntry().getKey();
+
+        // get the tzdata version for regression tests
+        String testdata = null;
+        try (TextFileReader textreader = new TextFileReader("VERSION")) {
+            testdata = textreader.getLine().substring("tzdata".length());
+        }
+        if (!testdata.equals(runtime)) {
+            throw new RuntimeException("tzdata versions don't match: run-time=" + runtime
+                                       + ", tests=" + testdata);
+        }
+    }
+}

test/jdk/java/util/TimeZone/Bug6329116.java

@@ -0,0 +1,246 @@
+/*
+ * Copyright (c) 2005, 2022, 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
+ * @summary Make sure that timezone short display names are idenical to Olson's data.
+ * @library /java/text/testlib
+ * @build Bug6329116 TextFileReader
+ * @run main/othervm -Djava.locale.providers=COMPAT,SPI Bug6329116
+ */
+
+import java.io.*;
+import java.text.*;
+import java.util.*;
+
+public class Bug6329116 extends IntlTest {
+
+    static Locale[] locales = Locale.getAvailableLocales();
+    static String[] timezones = TimeZone.getAvailableIDs();
+
+    public static void main(String[] args) throws IOException {
+        if (bug6329116()) {
+            throw new RuntimeException("At least one timezone display name is incorrect.");
+        }
+    }
+
+    static boolean 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++) {
+                    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 (useLocalzedShortDisplayName(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 (useLocalzedShortDisplayName(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);
+            }
+        }
+
+        return err;
+    }
+
+    static boolean useLocalzedShortDisplayName(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;
+    }
+
+}

test/jdk/java/util/TimeZone/TextFileReader.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2008, 2022, 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.
+ */
+
+import java.io.*;
+
+// This class is public so that tools can invoke.
+public class TextFileReader implements AutoCloseable {
+    private BufferedReader reader;
+    private int lineNo;
+
+    public TextFileReader(String filename) throws IOException {
+        this(new File(new File(System.getProperty("test.src", "."),
+                               "TimeZoneData"),
+                      filename));
+    }
+
+    public TextFileReader(File file) throws IOException {
+        InputStream is = new FileInputStream(file);
+        reader = new BufferedReader(new InputStreamReader(is, "utf-8"));
+    }
+
+    public String readLine() throws IOException {
+        return getLine();
+    }
+
+    public String getLine() throws IOException {
+        checkReader();
+
+        String line;
+        while ((line = reader.readLine()) != null) {
+            lineNo++;
+            line = line.trim();
+            // Skip blank and comment lines.
+            if (line.length() == 0) {
+                continue;
+            }
+            int x = line.indexOf('#');
+            if (x == 0) {
+                    continue;
+            }
+            if (x > 0) {
+                line = line.substring(0, x).trim();
+            }
+            break;
+        }
+        return line;
+    }
+
+    public String getRawLine() throws IOException {
+        checkReader();
+
+        String line = reader.readLine();
+        if (line != null) {
+            lineNo++;
+        }
+        return line;
+    }
+
+    private void checkReader() throws IOException {
+        if (reader == null) {
+            throw new IOException("This TextFileReader has been closed.");
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        reader.close();
+        reader = null;
+    }
+
+    int getLineNo() {
+        return lineNo;
+    }
+}

test/jdk/java/util/TimeZone/TimeZoneData/VERSION

@@ -0,0 +1 @@
+tzdata2022a