diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/util/PluggableLocale/DateFormatSymbolsProviderTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/PluggableLocale/DateFormatSymbolsProviderTest.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2007 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.
+ *
+ * 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.
+ */
+/*
+ *
+ */
+
+import java.text.*;
+import java.util.*;
+import sun.util.*;
+import sun.util.resources.*;
+
+public class DateFormatSymbolsProviderTest extends ProviderTest {
+
+    com.foo.DateFormatSymbolsProviderImpl dfsp = new com.foo.DateFormatSymbolsProviderImpl();
+    List<Locale> availloc = Arrays.asList(DateFormatSymbols.getAvailableLocales());
+    List<Locale> providerloc = Arrays.asList(dfsp.getAvailableLocales());
+    List<Locale> jreloc = Arrays.asList(LocaleData.getAvailableLocales());
+
+    public static void main(String[] s) {
+        new DateFormatSymbolsProviderTest();
+    }
+
+    DateFormatSymbolsProviderTest() {
+        availableLocalesTest();
+        objectValidityTest();
+    }
+
+    void availableLocalesTest() {
+        Set<Locale> localesFromAPI = new HashSet<Locale>(availloc);
+        Set<Locale> localesExpected = new HashSet<Locale>(jreloc);
+        localesExpected.addAll(providerloc);
+        if (localesFromAPI.equals(localesExpected)) {
+            System.out.println("availableLocalesTest passed.");
+        } else {
+            throw new RuntimeException("availableLocalesTest failed");
+        }
+    }
+
+    void objectValidityTest() {
+
+        for (Locale target: availloc) {
+            // pure JRE implementation
+            ResourceBundle rb = LocaleData.getDateFormatData(target);
+            boolean jreSupportsLocale = jreloc.contains(target);
+
+            // JRE string arrays
+            String[][] jres = new String[6][];
+            if (jreSupportsLocale) {
+                try {
+                    jres[0] = (String[])rb.getObject("MonthNames");
+                    jres[1] = (String[])rb.getObject("MonthAbbreviations");
+                    jres[2] = (String[])rb.getObject("DayNames");
+                    jres[3] = (String[])rb.getObject("DayAbbreviations");
+                    jres[4] = (String[])rb.getObject("AmPmMarkers");
+                    jres[5] = (String[])rb.getObject("Eras");
+                } catch (MissingResourceException mre) {}
+            }
+
+            // result object
+            DateFormatSymbols dfs = DateFormatSymbols.getInstance(target);
+            String[][] result = new String[6][];
+            result[0] = dfs.getMonths();
+            result[1] = dfs.getShortMonths();
+            // note that weekdays are 1-based
+            String[] tmp = dfs.getWeekdays();
+            result[2] = new String[7];
+            System.arraycopy(tmp, 1, result[2], 0, result[2].length);
+            tmp = dfs.getShortWeekdays();
+            result[3] = new String[7];
+            System.arraycopy(tmp, 1, result[3], 0, result[3].length);
+            result[4] = dfs.getAmPmStrings();
+            result[5] = dfs.getEras();
+
+            // provider's object (if any)
+            DateFormatSymbols providersDfs= null;
+            String[][] providers = new String[6][];
+            if (providerloc.contains(target)) {
+                providersDfs = dfsp.getInstance(target);
+                providers[0] = providersDfs.getMonths();
+                providers[1] = providersDfs.getShortMonths();
+                // note that weekdays are 1-based
+                tmp = dfs.getWeekdays();
+                providers[2] = new String[7];
+                System.arraycopy(tmp, 1, providers[2], 0, providers[2].length);
+                tmp = dfs.getShortWeekdays();
+                providers[3] = new String[7];
+                System.arraycopy(tmp, 1, providers[3], 0, providers[3].length);
+                providers[4] = providersDfs.getAmPmStrings();
+                providers[5] = providersDfs.getEras();
+            }
+
+            for (int i = 0; i < result.length; i ++) {
+                for (int j = 0; j < result[i].length; j++) {
+                    String jresStr =
+                        (jres[i] != null ? jres[i][j] : null);
+                    String providersStr =
+                        (providers[i] != null ? providers[i][j] : null);
+                    String resultStr =
+                        (result[i] != null ? result[i][j] : null);
+                    checkValidity(target, jresStr, providersStr, resultStr, jreSupportsLocale);
+                }
+            }
+        }
+    }
+}