--- /dev/null	2012-11-08 15:50:50.609141041 +0900
+++ new/test/java/util/PluggableLocale/providersrc/CalendarNameProviderImpl.java	2012-11-09 18:21:35.000000000 +0900
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2012, 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.
+ */
+
+package com.bar;
+
+import com.foobar.Utils;
+import java.util.Arrays;
+import static java.util.Calendar.*;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.spi.CalendarNameProvider;
+
+public class CalendarNameProviderImpl extends CalendarNameProvider {
+    static final char FULLWIDTH_ZERO = '\uff10';
+    static final Locale[] avail = {
+        new Locale("ja", "JP", "kids"),
+    };
+
+    @Override
+    public String getDisplayName(String calendarType, int field, int value, int style, Locale locale) {
+        if (calendarType == null || locale == null) {
+            throw new NullPointerException();
+        }
+        if (!Utils.supportsLocale(Arrays.asList(avail), locale)) {
+            throw new IllegalArgumentException("locale is not one of available locales: "+ locale);
+        }
+        if (field != MONTH) {
+            return null;
+        }
+        return toMonthName(value + 1, style);
+    }
+
+    @Override
+    public Map<String, Integer> getDisplayNames(String calendarType, int field, int style, Locale locale) {
+        if (calendarType == null || locale == null) {
+            throw new NullPointerException();
+        }
+        if (!Utils.supportsLocale(Arrays.asList(avail), locale)) {
+            throw new IllegalArgumentException("locale is not one of available locales: " + locale);
+        }
+        if (field != MONTH) {
+            return null;
+        }
+        Map<String, Integer> map = new HashMap<>();
+        if (style == LONG_STANDALONE) {
+            style = LONG;
+        } else if (style == SHORT_STANDALONE) {
+            style = SHORT;
+        }
+        for (int month = JANUARY; month <= DECEMBER; month++) {
+            if (style == ALL_STYLES || style == LONG) {
+                map.put(toMonthName(month + 1, LONG), month);
+            }
+            if (style == ALL_STYLES || style == SHORT) {
+                map.put(toMonthName(month + 1, SHORT), month);
+            }
+        }
+        return map;
+    }
+
+    @Override
+    public Locale[] getAvailableLocales() {
+        return avail.clone();
+    }
+
+    // month is 1-based.
+    public static String toMonthName(int month, int style) {
+        StringBuilder sb = new StringBuilder();
+        if (month >= 10) {
+            sb.append((char)(FULLWIDTH_ZERO + 1));
+            sb.appendCodePoint((char)(FULLWIDTH_ZERO + (month % 10)));
+        } else {
+            sb.appendCodePoint((char)(FULLWIDTH_ZERO + month));
+        }
+        if (style == SHORT || style == SHORT_STANDALONE) {
+            return sb.toString(); // full-width digit(s)
+        }
+        sb.append("\u304c\u3064"); // + "gatsu" in Hiragana
+        return sb.toString();
+    }
+}