/*

 * Copyright (c) 2013, 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 8023881

 * @summary IDN.USE_STD3_ASCII_RULES option is too strict to use Unicode

 *          in IDN.toASCII

 */

import java.net.*;

public class UseSTD3ASCIIRules {

    public static void main(String[] args) throws Exception {

        // Per Section 4.1, RFC 3490, if the UseSTD3ASCIIRules flag is set,

        // then perform these checks:

        //

        // (a) Verify the absence of non-LDH ASCII code points; that is, the

        //     absence of 0..2C, 2E..2F, 3A..40, 5B..60, and 7B..7F.

        //

        // (b) Verify the absence of leading and trailing hyphen-minus; that

        //     is, the absence of U+002D at the beginning and end of the

        //     sequence.

        String[] illegalNames = {

                "www.example.com-",

                "-www.example.com",

                "-www.example.com-",

                "www.ex\u002Cmple.com",

                "www.ex\u007Bmple.com",

                "www.ex\u007Fmple.com"

            };

        String[] legalNames = {

                "www.ex-ample.com",

                "www.ex\u002Dmple.com",         // www.ex-mple.com

                "www.ex\u007Ample.com",         // www.exzmple.com

                "www.ex\u3042mple.com",         // www.xn--exmple-j43e.com

                "www.\u3042\u3044\u3046.com",   // www.xn--l8jeg.com

                "www.\u793A\u4F8B.com"          // www.xn--fsq092h.com

            };

        for (String name : illegalNames) {

            try {

                System.out.println("Convering illegal IDN: " + name);

                IDN.toASCII(name, IDN.USE_STD3_ASCII_RULES);

                throw new Exception(

                    "Expected to get IllegalArgumentException for " + name);

            } catch (IllegalArgumentException iae) {

                // That's the right behavior.

            }

        }

        for (String name : legalNames) {

            System.out.println("Convering legal IDN: " + name);

            System.out.println("\tThe ACE form is: " +

                        IDN.toASCII(name, IDN.USE_STD3_ASCII_RULES));

        }

    }

}