/*

 * Copyright (c) 2005, 2006, 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

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 * questions.

 */

/*

 * @test

 * @summary Unit test for sun.net.idn.Punycode

 * @bug 4737170

 * @compile -XDignore.symbol.file PunycodeTest.java

 * @run main/othervm -ea PunycodeTest

 * @author Edward Wang

 */

import java.util.Scanner;

import java.text.ParseException;

import sun.net.idn.Punycode;

/**

 * unit test for Punycode that is also originated from the sample code

 * provided in rfc3492.txt

 */

public class PunycodeTest {

    /* For testing, we'll just set some compile-time limits rather than */

    /* use malloc(), and set a compile-time option rather than using a  */

    /* command-line option.                                             */

    static final int  unicode_max_length = 256;

    static final int  ace_max_length = 256;

    static final String too_big =

            "input or output is too large, recompile with larger limits\n";

    static final String invalid_input = "invalid input\n";

    static final String overflow = "arithmetic overflow\n";

    static final String io_error = "I/O error\n";

    /* The following string is used to convert printable */

    /* characters between ASCII and the native charset:  */

    static void fail(String msg, String input) {

        System.out.println(msg+" input: "+input);

        throw new RuntimeException(msg+" input: "+input);

    }

    public int testCount = 0;

    private int input_length, j;

    private int output_length[] = new int[1];

    private boolean case_flags[] = new boolean[unicode_max_length];

    public String testEncoding(String inputS) {

        char input[] = new char[unicode_max_length];

        int codept = 0;

        char uplus[] = new char[2];

        StringBuffer output;

        int c;

        /* Read the input code points: */

        input_length = 0;

        Scanner sc = new Scanner(inputS);

        while (sc.hasNext()) {  // need to stop at end of line

            try {

                String next = sc.next();

                uplus[0] = next.charAt(0);

                uplus[1] = next.charAt(1);

                codept = Integer.parseInt(next.substring(2), 16);

            } catch (Exception ex) {

                fail(invalid_input, inputS);

            }

            if (uplus[1] != '+' || codept > Integer.MAX_VALUE) {

                fail(invalid_input, inputS);

            }

            if (input_length == unicode_max_length) fail(too_big, inputS);

            if (uplus[0] == 'u') case_flags[input_length] = false;

            else if (uplus[0] == 'U') case_flags[input_length] = true;

            else fail(invalid_input, inputS);

            input[input_length++] = (char)codept;

        }

        /* Encode: */

        output_length[0] = ace_max_length;

        try {

            output = Punycode.encode((new StringBuffer()).append(input, 0, input_length), case_flags);

        } catch (Exception e) {

            fail(invalid_input, inputS);

            // never reach here, just to make compiler happy

            return null;

        }

        testCount++;

        return output.toString();

    }

    public String testDecoding(String inputS) {

        char input[] = new char[0];

        int pp;

        StringBuffer output;

        /* Read the Punycode input string and convert to ASCII: */

        if (inputS.length() <= ace_max_length+2) {

            input = inputS.toCharArray();

        } else {

            fail(invalid_input, inputS);

        }

        input_length = input.length;

        /* Decode: */

        output_length[0] = unicode_max_length;

        try {

            output = Punycode.decode((new StringBuffer()).append(input, 0, input_length), case_flags);

        } catch (Exception e) {

            fail(invalid_input, inputS);

            // never reach here, just to make compiler happy

            return null;

        }

        /* Output the result: */

        StringBuffer result = new StringBuffer();

        for (j = 0;  j < output.length();  ++j) {

            result.append(String.format("%s+%04X ",

                    case_flags[j] ? "U" : "u",

                    (int)output.charAt(j) ));

        }

        testCount++;

        return result.substring(0, result.length() - 1);

    }

  // test data from rfc3492

  static String[][] testdata = {

    {"(A) Arabic (Egyptian):",

     "u+0644 u+064A u+0647 u+0645 u+0627 u+0628 u+062A u+0643 u+0644 "+

     "u+0645 u+0648 u+0634 u+0639 u+0631 u+0628 u+064A u+061F",

     "egbpdaj6bu4bxfgehfvwxn"},

    {"(B) Chinese (simplified):",

     "u+4ED6 u+4EEC u+4E3A u+4EC0 u+4E48 u+4E0D u+8BF4 u+4E2D u+6587",

     "ihqwcrb4cv8a8dqg056pqjye"},

    {"(C) Chinese (traditional):",

    "u+4ED6 u+5011 u+7232 u+4EC0 u+9EBD u+4E0D u+8AAA u+4E2D u+6587",

    "ihqwctvzc91f659drss3x8bo0yb"},

    {"(D) Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky",

    "U+0050 u+0072 u+006F u+010D u+0070 u+0072 u+006F u+0073 u+0074 "+

     "u+011B u+006E u+0065 u+006D u+006C u+0075 u+0076 u+00ED u+010D "+

     "u+0065 u+0073 u+006B u+0079",

    "Proprostnemluvesky-uyb24dma41a"},

    {"(E) Hebrew:",

    "u+05DC u+05DE u+05D4 u+05D4 u+05DD u+05E4 u+05E9 u+05D5 u+05D8 "+

     "u+05DC u+05D0 u+05DE u+05D3 u+05D1 u+05E8 u+05D9 u+05DD u+05E2 "+

     "u+05D1 u+05E8 u+05D9 u+05EA",

    "4dbcagdahymbxekheh6e0a7fei0b"},

    {"(F) Hindi (Devanagari):",

    "u+092F u+0939 u+0932 u+094B u+0917 u+0939 u+093F u+0928 u+094D "+

     "u+0926 u+0940 u+0915 u+094D u+092F u+094B u+0902 u+0928 u+0939 "+

     "u+0940 u+0902 u+092C u+094B u+0932 u+0938 u+0915 u+0924 u+0947 "+

     "u+0939 u+0948 u+0902",

    "i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"},

    {"(G) Japanese (kanji and hiragana):",

    "u+306A u+305C u+307F u+3093 u+306A u+65E5 u+672C u+8A9E u+3092 "+

     "u+8A71 u+3057 u+3066 u+304F u+308C u+306A u+3044 u+306E u+304B",

    "n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"},

    {"(H) Korean (Hangul syllables):",

    "u+C138 u+ACC4 u+C758 u+BAA8 u+B4E0 u+C0AC u+B78C u+B4E4 u+C774 "+

     "u+D55C u+AD6D u+C5B4 u+B97C u+C774 u+D574 u+D55C u+B2E4 u+BA74 "+

     "u+C5BC u+B9C8 u+B098 u+C88B u+C744 u+AE4C",

    "989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"+

    "psd879ccm6fea98c"},

    {"(I) Russian (Cyrillic):",

    "U+043F u+043E u+0447 u+0435 u+043C u+0443 u+0436 u+0435 u+043E "+

     "u+043D u+0438 u+043D u+0435 u+0433 u+043E u+0432 u+043E u+0440 "+

     "u+044F u+0442 u+043F u+043E u+0440 u+0443 u+0441 u+0441 u+043A "+

     "u+0438",

    "b1abfaaepdrnnbgefbaDotcwatmq2g4l"},

    {"(J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol",

    "U+0050 u+006F u+0072 u+0071 u+0075 u+00E9 u+006E u+006F u+0070 "+

     "u+0075 u+0065 u+0064 u+0065 u+006E u+0073 u+0069 u+006D u+0070 "+

     "u+006C u+0065 u+006D u+0065 u+006E u+0074 u+0065 u+0068 u+0061 "+

     "u+0062 u+006C u+0061 u+0072 u+0065 u+006E U+0045 u+0073 u+0070 "+

     "u+0061 u+00F1 u+006F u+006C",

    "PorqunopuedensimplementehablarenEspaol-fmd56a"},

    {"(K) Vietnamese:"+

     "T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch"+

     "<ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t",

    "U+0054 u+1EA1 u+0069 u+0073 u+0061 u+006F u+0068 u+1ECD u+006B "+

     "u+0068 u+00F4 u+006E u+0067 u+0074 u+0068 u+1EC3 u+0063 u+0068 "+

     "u+1EC9 u+006E u+00F3 u+0069 u+0074 u+0069 u+1EBF u+006E u+0067 "+

     "U+0056 u+0069 u+1EC7 u+0074",

    "TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"},

    {"(L) 3<nen>B<gumi><kinpachi><sensei>",

     "u+0033 u+5E74 U+0042 u+7D44 u+91D1 u+516B u+5148 u+751F",

    "3B-ww4c5e180e575a65lsy2b"},

    {"(M) <amuro><namie>-with-SUPER-MONKEYS",

     "u+5B89 u+5BA4 u+5948 u+7F8E u+6075 u+002D u+0077 u+0069 u+0074 "+

     "u+0068 u+002D U+0053 U+0055 U+0050 U+0045 U+0052 u+002D U+004D "+

     "U+004F U+004E U+004B U+0045 U+0059 U+0053",

    "-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"},

    {"(N) Hello-Another-Way-<sorezore><no><basho>",

    "U+0048 u+0065 u+006C u+006C u+006F u+002D U+0041 u+006E u+006F "+

     "u+0074 u+0068 u+0065 u+0072 u+002D U+0057 u+0061 u+0079 u+002D "+

     "u+305D u+308C u+305E u+308C u+306E u+5834 u+6240",

    "Hello-Another-Way--fc4qua05auwb3674vfr0b"},

    {"(O) <hitotsu><yane><no><shita>2",

     "u+3072 u+3068 u+3064 u+5C4B u+6839 u+306E u+4E0B u+0032",

    "2-u9tlzr9756bt3uc0v"},

    {"(P) Maji<de>Koi<suru>5<byou><mae>",

     "U+004D u+0061 u+006A u+0069 u+3067 U+004B u+006F u+0069 u+3059 "+

     "u+308B u+0035 u+79D2 u+524D",

    "MajiKoi5-783gue6qz075azm5e"},

    {"(Q) <pafii>de<runba>",

     "u+30D1 u+30D5 u+30A3 u+30FC u+0064 u+0065 u+30EB u+30F3 u+30D0",

    "de-jg4avhby1noc0d"},

    {"(R) <sono><supiido><de>",

     "u+305D u+306E u+30B9 u+30D4 u+30FC u+30C9 u+3067",

    "d9juau41awczczp"},

    {"(S) -> $1.00 <-",

     "u+002D u+003E u+0020 u+0024 u+0031 u+002E u+0030 u+0030 u+0020 "+

     "u+003C u+002D",

    "-> $1.00 <--"},

  };

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

      PunycodeTest mytest = new PunycodeTest();

      for (int i = 0; i < testdata.length; i++) {

          String encodeResult = mytest.testEncoding(testdata[i][1]);

          String decodeResult = mytest.testDecoding(testdata[i][2]);

          checkResult(encodeResult, testdata[i][2]);

          checkResult(decodeResult, testdata[i][1]);

      }

      System.out.println("Test cases: " + mytest.testCount);

  }

  public static void checkResult(String actual, String expected) {

      if (!actual.equals(expected)) {

          System.out.printf("\n%15s: %s\n", "FAILED", actual);

          System.out.printf("%15s: %s\n\n", "should be", expected);

          throw new RuntimeException("Punycode test failed.");

      } else {

          System.out.printf("%15s: %s\n", "SUCCEEDED", actual);

      }

  }

}