/*

 * Copyright 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 4217441 4533872 4900935

    @summary toLowerCase should lower-case Greek Sigma correctly depending

             on the context (final/non-final).  Also it should handle

             Locale specific (lt, tr, and az) lowercasings and supplementary

             characters correctly.

*/

import java.util.Locale;

public class ToLowerCase {

    public static void main(String[] args) {

        Locale turkish = new Locale("tr", "TR");

        Locale lt = new Locale("lt"); // Lithanian

        Locale az = new Locale("az"); // Azeri

        // Greek Sigma final/non-final tests

        test("\u03A3", Locale.US, "\u03C3");

        test("LAST\u03A3", Locale.US, "last\u03C2");

        test("MID\u03A3DLE", Locale.US, "mid\u03C3dle");

        test("WORD1 \u03A3 WORD3", Locale.US, "word1 \u03C3 word3");

        test("WORD1 LAST\u03A3 WORD3", Locale.US, "word1 last\u03C2 word3");

        test("WORD1 MID\u03A3DLE WORD3", Locale.US, "word1 mid\u03C3dle word3");

        test("\u0399\u0395\u03a3\u03a5\u03a3 \u03a7\u03a1\u0399\u03a3\u03a4\u039f\u03a3", Locale.US,

             "\u03b9\u03b5\u03c3\u03c5\u03c2 \u03c7\u03c1\u03b9\u03c3\u03c4\u03bf\u03c2"); // "IESUS XRISTOS"

        // Explicit dot above for I's and J's whenever there are more accents above (Lithanian)

        test("I", lt, "i");

        test("I\u0300", lt, "i\u0307\u0300"); // "I" followed by COMBINING GRAVE ACCENT (cc==230)

        test("I\u0316", lt, "i\u0316"); // "I" followed by COMBINING GRAVE ACCENT BELOW (cc!=230)

        test("J", lt, "j");

        test("J\u0300", lt, "j\u0307\u0300"); // "J" followed by COMBINING GRAVE ACCENT (cc==230)

        test("J\u0316", lt, "j\u0316"); // "J" followed by COMBINING GRAVE ACCENT BELOW (cc!=230)

        test("\u012E", lt, "\u012F");

        test("\u012E\u0300", lt, "\u012F\u0307\u0300"); // "I (w/ OGONEK)" followed by COMBINING GRAVE ACCENT (cc==230)

        test("\u012E\u0316", lt, "\u012F\u0316"); // "I (w/ OGONEK)" followed by COMBINING GRAVE ACCENT BELOW (cc!=230)

        test("\u00CC", lt, "i\u0307\u0300");

        test("\u00CD", lt, "i\u0307\u0301");

        test("\u0128", lt, "i\u0307\u0303");

        test("I\u0300", Locale.US, "i\u0300"); // "I" followed by COMBINING GRAVE ACCENT (cc==230)

        test("J\u0300", Locale.US, "j\u0300"); // "J" followed by COMBINING GRAVE ACCENT (cc==230)

        test("\u012E\u0300", Locale.US, "\u012F\u0300"); // "I (w/ OGONEK)" followed by COMBINING GRAVE ACCENT (cc==230)

        test("\u00CC", Locale.US, "\u00EC");

        test("\u00CD", Locale.US, "\u00ED");

        test("\u0128", Locale.US, "\u0129");

        // I-dot tests (Turkish and Azeri)

        test("\u0130", turkish, "i");

        test("\u0130", az, "i");

        test("\u0130", Locale.US, "i");

        // Remove dot_above in the sequence I + dot_above (Turkish and Azeri)

        test("I\u0307", turkish, "i");

        test("I\u0307", az, "i");

        test("J\u0307", turkish, "j\u0307");

        test("J\u0307", az, "j\u0307");

        // Unless an I is before a dot_above, it turns into a dotless i (Turkish and Azeri)

        test("I", turkish, "\u0131");

        test("I", az, "\u0131");

        test("I", Locale.US, "i");

        test("IABC", turkish, "\u0131abc");

        test("IABC", az, "\u0131abc");

        test("IABC", Locale.US, "iabc");

        // 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\uDC00\uD801\uDC01\uD801\uDC02", Locale.US, "\uD801\uDC28\uD801\uDC29\uD801\uDC2A");

        test("\uD801\uDC00A\uD801\uDC01B\uD801\uDC02C", Locale.US, "\uD801\uDC28a\uD801\uDC29b\uD801\uDC2Ac");

        // 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.toLowerCase(locale);

        if (!result.equals(expected)) {

            System.err.println("input: " + in + ", locale: " + locale +

                    ", expected: " + expected + ", actual: " + result);

            throw new RuntimeException();

        }

   }

}