--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/String/ToUpperCase.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2000-2003 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.
+ */
+
+/*
+    @test
+    @bug 4219630 4304573 4533872 4900935
+    @summary toUpperCase should upper-case German sharp s correctly even if
+             it's the only character in the string. should also uppercase
+             all of the 1:M char mappings correctly.  Also it should handle
+             Locale specific (lt, tr, and az) uppercasings and supplementary
+             characters correctly.
+*/
+
+import java.util.Locale;
+
+public class ToUpperCase {
+
+    public static void main(String[] args) {
+        Locale turkish = new Locale("tr", "TR");
+        Locale lt = new Locale("lt"); // Lithanian
+        Locale az = new Locale("az"); // Azeri
+
+        test("\u00DF", turkish, "SS");
+        test("a\u00DF", turkish, "ASS");
+        test("i", turkish, "\u0130");
+        test("i", az, "\u0130");
+        test("\u0131", turkish, "I");
+        test("\u00DF", Locale.GERMANY, "SS");
+        test("a\u00DF", Locale.GERMANY, "ASS");
+        test("i", Locale.GERMANY, "I");
+
+        // test some of the 1:M uppercase mappings
+        test("abc\u00DF", Locale.US, "ABC\u0053\u0053");
+        test("\u0149abc", Locale.US, "\u02BC\u004EABC");
+        test("\u0149abc", turkish, "\u02BC\u004EABC");
+        test("\u1F52", Locale.US, "\u03A5\u0313\u0300");
+        test("\u0149\u1F52", Locale.US, "\u02BC\u004E\u03A5\u0313\u0300");
+        test("\u1F54ZZZ", Locale.US, "\u03A5\u0313\u0301ZZZ");
+        test("\u1F54ZZZ", turkish, "\u03A5\u0313\u0301ZZZ");
+        test("a\u00DF\u1F56", Locale.US, "ASS\u03A5\u0313\u0342");
+        test("\u1FAD", turkish, "\u1F6D\u0399");
+        test("i\u1FC7", turkish, "\u0130\u0397\u0342\u0399");
+        test("i\u1FC7", az, "\u0130\u0397\u0342\u0399");
+        test("i\u1FC7", Locale.US, "I\u0397\u0342\u0399");
+        test("\uFB04", Locale.US, "\u0046\u0046\u004C");
+        test("\uFB17AbCdEfi", turkish, "\u0544\u053DABCDEF\u0130");
+        test("\uFB17AbCdEfi", az, "\u0544\u053DABCDEF\u0130");
+
+        // Remove DOT ABOVE after "i" in Lithuanian
+        test("i\u0307", lt, "I");
+        test("\u0307", lt, "\u0307");
+        test("\u0307i", lt, "\u0307I");
+        test("j\u0307", lt, "J");
+        test("abci\u0307def", lt, "ABCIDEF");
+        test("a\u0307", lt, "A\u0307");
+        test("abc\u0307def", lt, "ABC\u0307DEF");
+        test("i\u0307", Locale.US, "I\u0307");
+        test("i\u0307", turkish, "\u0130\u0307");
+
+        // Supplementary character tests
+        //
+        // U+10400 ("\uD801\uDC00"): DESERET CAPITAL LETTER LONG I
+        // U+10401 ("\uD801\uDC01"): DESERET CAPITAL LETTER LONG E
+        // U+10402 ("\uD801\uDC02"): DESERET CAPITAL LETTER LONG A
+        // U+10428 ("\uD801\uDC28"): DESERET SMALL LETTER LONG I
+        // U+10429 ("\uD801\uDC29"): DESERET SMALL LETTER LONG E
+        // U+1042A ("\uD801\uDC2A"): DESERET SMALL LETTER LONG A
+        //
+        // valid code point tests:
+        test("\uD801\uDC28\uD801\uDC29\uD801\uDC2A", Locale.US, "\uD801\uDC00\uD801\uDC01\uD801\uDC02");
+        test("\uD801\uDC28a\uD801\uDC29b\uD801\uDC2Ac", Locale.US, "\uD801\uDC00A\uD801\uDC01B\uD801\uDC02C");
+        // invalid code point tests:
+        test("\uD800\uD800\uD801a\uDC00\uDC00\uDC00b", Locale.US, "\uD800\uD800\uD801A\uDC00\uDC00\uDC00B");
+    }
+
+    static void test(String in, Locale locale, String expected) {
+        String result = in.toUpperCase(locale);
+        if (!result.equals(expected)) {
+            System.err.println("input: " + in + ", locale: " + locale +
+                    ", expected: " + expected + ", actual: " + result);
+            throw new RuntimeException();
+        }
+   }
+}