6466476: (tz) Introduction of tzdata2005r can introduce incompatility issues with some JDK1.1 3-letter TZ Ids
Reviewed-by: okutsu
diff --git a/test/java/util/TimeZone/OldIDMappingTest.java b/test/java/util/TimeZone/OldIDMappingTest.java
new file mode 100644
index 0000000..90752b3
--- /dev/null
+++ b/test/java/util/TimeZone/OldIDMappingTest.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * See OldMappingTest.sh
+ */
+
+import java.lang.reflect.*;
+import java.util.*;
+
+public class OldIDMappingTest {
+ private static final String MAPPING_PROPERTY_NAME = "sun.timezone.ids.oldmapping";
+ private static final Map<String, String> newmap = new HashMap<String, String>();
+ static {
+ // Add known new mappings
+ newmap.put("EST", "EST");
+ newmap.put("MST", "MST");
+ newmap.put("HST", "HST");
+ }
+
+ public static void main(String[] args) {
+ boolean useOldMapping = true;
+ String arg = args[0];
+ if (arg.equals("-new")) {
+ useOldMapping = false;
+ } else if (arg.equals("-old")) {
+ useOldMapping = true;
+ } else {
+ throw new RuntimeException("-old or -new must be specified; got " + arg);
+ }
+
+ // Get a Field for TzIDOldMapping in sun.util.calendar.
+ Map<String, String> oldmap = null;
+ try {
+ Class<?> oldmapClass = Class.forName("sun.util.calendar.TzIDOldMapping");
+ Field map = oldmapClass.getDeclaredField("MAP");
+ map.setAccessible(true);
+ oldmap = (Map<String, String>) map.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("can't get TzIDOldMapping.MAP", e);
+ }
+
+ String prop = System.getProperty(MAPPING_PROPERTY_NAME);
+ System.out.println(MAPPING_PROPERTY_NAME + "=" + prop);
+
+ // Try the test multiple times with modifying TimeZones to
+ // make sure TimeZone instances for the old mapping are
+ // properly copied (defensive copy).
+ for (int count = 0; count < 3; count++) {
+ for (String id : oldmap.keySet()) {
+ TimeZone tzAlias = TimeZone.getTimeZone(id);
+ TimeZone tz = TimeZone.getTimeZone(oldmap.get(id));
+ if (useOldMapping) {
+ if (!tzAlias.hasSameRules(tz)) {
+ throw new RuntimeException("OLDMAP: " + MAPPING_PROPERTY_NAME + "=" + prop + ": "
+ + id + " isn't an alias of " + oldmap.get(id));
+ }
+ if (count == 0) {
+ System.out.println(" " + id + " => " + oldmap.get(id));
+ }
+ tzAlias.setRawOffset(tzAlias.getRawOffset() * count);
+ } else {
+ if (!newmap.containsKey(id)) {
+ // ignore ids not contained in the new map
+ if (count == 0) {
+ System.out.println(" " + id + " => " + oldmap.get(id));
+ }
+ tzAlias.setRawOffset(tzAlias.getRawOffset() * count);
+ continue;
+ }
+ if (tzAlias.hasSameRules(tz)) {
+ throw new RuntimeException("NEWMAP: " + MAPPING_PROPERTY_NAME + "=" + prop + ": "
+ + id + " is an alias of " + oldmap.get(id));
+ }
+ tz = TimeZone.getTimeZone(newmap.get(id));
+ if (!tzAlias.hasSameRules(tz)) {
+ throw new RuntimeException("NEWMAP: " + MAPPING_PROPERTY_NAME + "=" + prop + ": "
+ + id + " isn't an alias of " + newmap.get(id));
+ }
+ if (count == 0) {
+ System.out.println(" " + id + " => " + newmap.get(id));
+ }
+ tzAlias.setRawOffset(tzAlias.getRawOffset() * count);
+ }
+ }
+ }
+ }
+}