8278434: timeouts in test java/time/test/java/time/format/TestZoneTextPrinterParser.java

Backport-of: 8dc4437d002db5d025b47f48e7420e3bae55bdec

Author: GoeLin

src/java.base/share/classes/sun/util/cldr/CLDRTimeZoneNameProviderImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 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
@@ -151,8 +151,8 @@ private void deriveFallbackName(String[] names, int index, Locale locale, boolea
 
         // Check parent locales first
         if (!exists(names, index)) {
-            CLDRLocaleProviderAdapter clpa = (CLDRLocaleProviderAdapter)LocaleProviderAdapter.forType(Type.CLDR);
-            var cands = clpa.getCandidateLocales("", locale);
+            var cands = ((CLDRLocaleProviderAdapter)LocaleProviderAdapter.forType(Type.CLDR))
+                    .getCandidateLocales("", locale);
             for (int i = 1; i < cands.size() ; i++) {
                 String[] parentNames = super.getDisplayNameArray(id, cands.get(i));
                 if (parentNames != null && !parentNames[index].isEmpty()) {
@@ -162,11 +162,6 @@ private void deriveFallbackName(String[] names, int index, Locale locale, boolea
             }
         }
 
-        // Region Fallback
-        if (regionFormatFallback(names, index, locale)) {
-            return;
-        }
-
         // Type Fallback
         if (noDST && typeFallback(names, index)) {
             return;
@@ -185,6 +180,11 @@ private void deriveFallbackName(String[] names, int index, Locale locale, boolea
             }
         }
 
+        // Region Fallback
+        if (regionFormatFallback(names, index, locale)) {
+            return;
+        }
+
         // last resort
         names[index] = toGMTFormat(id,
                                    index == INDEX_DST_LONG || index == INDEX_DST_SHORT,
@@ -230,6 +230,11 @@ private boolean typeFallback(String[] names, int index) {
     }
 
     private boolean regionFormatFallback(String[] names, int index, Locale l) {
+        if (index % 2 == 0) {
+            // ignore short names
+            return false;
+        }
+
         String id = names[INDEX_TZID];
         LocaleResources lr = LocaleProviderAdapter.forType(Type.CLDR).getLocaleResources(l);
         ResourceBundle fd = lr.getJavaTimeFormatData();

test/jdk/java/time/test/java/time/format/TestZoneTextPrinterParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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
@@ -49,7 +49,7 @@
 
 /*
  * @test
- * @bug 8081022 8151876 8166875 8189784 8206980
+ * @bug 8081022 8151876 8166875 8189784 8206980 8278434
  * @key randomness
  */
 
@@ -59,6 +59,11 @@
 @Test
 public class TestZoneTextPrinterParser extends AbstractTestPrinterParser {
 
+    private static final Locale[] SAMPLE_LOCALES = {
+        Locale.US, Locale.UK, Locale.FRANCE, Locale.GERMANY, Locale.ITALY, Locale.forLanguageTag("es"),
+        Locale.forLanguageTag("pt-BR"), Locale.forLanguageTag("ru"),
+        Locale.CHINA, Locale.TAIWAN, Locale.JAPAN, Locale.KOREA, Locale.ROOT};
+
     protected static DateTimeFormatter getFormatter(Locale locale, TextStyle style) {
         return new DateTimeFormatterBuilder().appendZoneText(style)
                                              .toFormatter(locale)
@@ -68,7 +73,6 @@ protected static DateTimeFormatter getFormatter(Locale locale, TextStyle style)
     public void test_printText() {
         Random r = RandomFactory.getRandom();
         int N = 8;
-        Locale[] locales = Locale.getAvailableLocales();
         Set<String> zids = ZoneRulesProvider.getAvailableZoneIds();
         ZonedDateTime zdt = ZonedDateTime.now();
 
@@ -83,7 +87,7 @@ public void test_printText() {
                 zdt = zdt.withZoneSameLocal(ZoneId.of(zid));
                 TimeZone tz = TimeZone.getTimeZone(zid);
                 boolean isDST = tz.inDaylightTime(new Date(zdt.toInstant().toEpochMilli()));
-                for (Locale locale : locales) {
+                for (Locale locale : SAMPLE_LOCALES) {
                     String longDisplayName = tz.getDisplayName(isDST, TimeZone.LONG, locale);
                     String shortDisplayName = tz.getDisplayName(isDST, TimeZone.SHORT, locale);
                     if ((longDisplayName.startsWith("GMT+") && shortDisplayName.startsWith("GMT+"))
@@ -116,9 +120,8 @@ private void printText(Locale locale, ZonedDateTime zdt, TextStyle style, TimeZo
     }
 
     public void test_ParseText() {
-        Locale[] locales = new Locale[] { Locale.ENGLISH, Locale.JAPANESE, Locale.FRENCH };
         Set<String> zids = ZoneRulesProvider.getAvailableZoneIds();
-        for (Locale locale : locales) {
+        for (Locale locale : SAMPLE_LOCALES) {
             parseText(zids, locale, TextStyle.FULL, false);
             parseText(zids, locale, TextStyle.FULL, true);
             parseText(zids, locale, TextStyle.SHORT, false);