7200119: Collator.getAvailableLocales() doesn't return Locale.US

Reviewed-by: okutsu

src/share/classes/sun/util/locale/provider/JRELocaleProviderAdapter.java

@@ -328,6 +328,10 @@ public class JRELocaleProviderAdapter extends LocaleProviderAdapter {
             }
             tagset.add(token);
         }
+
+        // ensure en-US is there (mandated by the spec, e.g. Collator.getAvailableLocales())
+        tagset.add("en-US");
+
         return tagset;
     }
 

test/java/text/Collator/Bug7200119.java

+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 7200119
+ * @summary verify that getAvailableLocales() contains Locale.US
+ */
+import java.text.*;
+import java.util.*;
+
+public class Bug7200119 {
+    public static void main(String[] args) {
+        List<Locale> avail = Arrays.asList(Collator.getAvailableLocales());
+
+        if (!avail.contains(Locale.US)) {
+            throw new RuntimeException("Failed.");
+        }
+    }
+}