8024141: Unexpected timezone display name

Reviewed-by: peytoia

jdk/src/share/classes/sun/util/locale/provider/LocaleResources.java

@@ -252,7 +252,7 @@ public class LocaleResources {
 
     String[] getTimeZoneNames(String key, int size) {
         String[] names = null;
-        String cacheKey = TIME_ZONE_NAMES + key;
+        String cacheKey = TIME_ZONE_NAMES + size + '.' + key;
 
         removeEmptyReferences();
         ResourceReference data = cache.get(cacheKey);

jdk/test/sun/util/locale/provider/Bug8024141.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2013, 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 8024141
+ * @summary Test for cache support of sun.util.locale.provider.LocaleResources.getTimeZoneNames
+ */
+
+import java.time.ZoneId;
+import static java.util.Locale.ENGLISH;
+import static java.time.format.TextStyle.FULL;
+import static java.time.format.TextStyle.SHORT;
+
+public class Bug8024141 {
+    // This test assumes that the two time zones are in GMT. If
+    // they become different zones, need to pick up another zones.
+    private static final String[] ZONES = {
+        "Africa/Abidjan",
+        "Africa/Bamako"
+    };
+
+    public static void main(String[] args) {
+        ZoneId gmt = ZoneId.of("GMT");
+        String gmtName = gmt.getDisplayName(FULL, ENGLISH);
+        String gmtAbbr = gmt.getDisplayName(SHORT, ENGLISH);
+
+        for (String zone : ZONES) {
+            ZoneId id = ZoneId.of(zone);
+            String name = id.getDisplayName(FULL, ENGLISH);
+            String abbr = id.getDisplayName(SHORT, ENGLISH);
+
+            if (!name.equals(gmtName) || !abbr.equals(gmtAbbr)) {
+                throw new RuntimeException("inconsistent name/abbr for " + zone + ":\n"
+                                           + "name=" + name + ", abbr=" + abbr);
+            }
+        }
+    }
+}