1   /*
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3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5    * This code is free software; you can redistribute it and/or modify it
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7    * published by the Free Software Foundation.
8    *
9    * This code is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12   * version 2 for more details (a copy is included in the LICENSE file that
13   * accompanied this code).
14   *
15   * You should have received a copy of the GNU General Public License version
16   * 2 along with this work; if not, write to the Free Software Foundation,
17   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18   *
19   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20   * or visit www.oracle.com if you need additional information or have any
21   * questions.
22   */
23  
24  /*
25   * @test
26   * @summary Unit test for sun.net.idn.Punycode
27   * @bug 4737170
28   * @compile -XDignore.symbol.file PunycodeTest.java
29   * @run main/othervm -ea PunycodeTest
30   * @author Edward Wang
31   */
32  
33  import java.util.Scanner;
34  import java.text.ParseException;
35  import sun.net.idn.Punycode;
36  
37  /**
38   * unit test for Punycode that is also originated from the sample code
39   * provided in rfc3492.txt
40   */
41  public class PunycodeTest {
42  
43      /* For testing, we'll just set some compile-time limits rather than */
44      /* use malloc(), and set a compile-time option rather than using a  */
45      /* command-line option.                                             */
46  
47      static final int  unicode_max_length = 256;
48      static final int  ace_max_length = 256;
49  
50      static final String too_big =
51              "input or output is too large, recompile with larger limits\n";
52      static final String invalid_input = "invalid input\n";
53      static final String overflow = "arithmetic overflow\n";
54      static final String io_error = "I/O error\n";
55  
56      /* The following string is used to convert printable */
57      /* characters between ASCII and the native charset:  */
58  
59      static void fail(String msg, String input) {
60          System.out.println(msg+" input: "+input);
61          throw new RuntimeException(msg+" input: "+input);
62      }
63  
64  
65      public int testCount = 0;
66  
67      private int input_length, j;
68      private int output_length[] = new int[1];
69      private boolean case_flags[] = new boolean[unicode_max_length];
70  
71      public String testEncoding(String inputS) {
72          char input[] = new char[unicode_max_length];
73          int codept = 0;
74          char uplus[] = new char[2];
75          StringBuffer output;
76          int c;
77  
78          /* Read the input code points: */
79  
80          input_length = 0;
81  
82          Scanner sc = new Scanner(inputS);
83  
84          while (sc.hasNext()) {  // need to stop at end of line
85              try {
86                  String next = sc.next();
87                  uplus[0] = next.charAt(0);
88                  uplus[1] = next.charAt(1);
89                  codept = Integer.parseInt(next.substring(2), 16);
90              } catch (Exception ex) {
91                  fail(invalid_input, inputS);
92              }
93  
94              if (uplus[1] != '+' || codept > Integer.MAX_VALUE) {
95                  fail(invalid_input, inputS);
96              }
97  
98              if (input_length == unicode_max_length) fail(too_big, inputS);
99  
100             if (uplus[0] == 'u') case_flags[input_length] = false;
101             else if (uplus[0] == 'U') case_flags[input_length] = true;
102             else fail(invalid_input, inputS);
103 
104             input[input_length++] = (char)codept;
105         }
106 
107         /* Encode: */
108 
109         output_length[0] = ace_max_length;
110         try {
111             output = Punycode.encode((new StringBuffer()).append(input, 0, input_length), case_flags);
112         } catch (Exception e) {
113             fail(invalid_input, inputS);
114             // never reach here, just to make compiler happy
115             return null;
116         }
117 
118         testCount++;
119         return output.toString();
120     }
121 
122     public String testDecoding(String inputS) {
123         char input[] = new char[0];
124         int pp;
125         StringBuffer output;
126 
127         /* Read the Punycode input string and convert to ASCII: */
128 
129         if (inputS.length() <= ace_max_length+2) {
130             input = inputS.toCharArray();
131         } else {
132             fail(invalid_input, inputS);
133         }
134         input_length = input.length;
135 
136         /* Decode: */
137 
138         output_length[0] = unicode_max_length;
139         try {
140             output = Punycode.decode((new StringBuffer()).append(input, 0, input_length), case_flags);
141         } catch (Exception e) {
142             fail(invalid_input, inputS);
143             // never reach here, just to make compiler happy
144             return null;
145         }
146 
147         /* Output the result: */
148         StringBuffer result = new StringBuffer();
149         for (j = 0;  j < output.length();  ++j) {
150             result.append(String.format("%s+%04X ",
151                     case_flags[j] ? "U" : "u",
152                     (int)output.charAt(j) ));
153         }
154 
155         testCount++;
156         return result.substring(0, result.length() - 1);
157     }
158 
159   // test data from rfc3492
160   static String[][] testdata = {
161     {"(A) Arabic (Egyptian):",
162      "u+0644 u+064A u+0647 u+0645 u+0627 u+0628 u+062A u+0643 u+0644 "+
163      "u+0645 u+0648 u+0634 u+0639 u+0631 u+0628 u+064A u+061F",
164      "egbpdaj6bu4bxfgehfvwxn"},
165     {"(B) Chinese (simplified):",
166      "u+4ED6 u+4EEC u+4E3A u+4EC0 u+4E48 u+4E0D u+8BF4 u+4E2D u+6587",
167      "ihqwcrb4cv8a8dqg056pqjye"},
168     {"(C) Chinese (traditional):",
169     "u+4ED6 u+5011 u+7232 u+4EC0 u+9EBD u+4E0D u+8AAA u+4E2D u+6587",
170     "ihqwctvzc91f659drss3x8bo0yb"},
171     {"(D) Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky",
172     "U+0050 u+0072 u+006F u+010D u+0070 u+0072 u+006F u+0073 u+0074 "+
173      "u+011B u+006E u+0065 u+006D u+006C u+0075 u+0076 u+00ED u+010D "+
174      "u+0065 u+0073 u+006B u+0079",
175     "Proprostnemluvesky-uyb24dma41a"},
176     {"(E) Hebrew:",
177     "u+05DC u+05DE u+05D4 u+05D4 u+05DD u+05E4 u+05E9 u+05D5 u+05D8 "+
178      "u+05DC u+05D0 u+05DE u+05D3 u+05D1 u+05E8 u+05D9 u+05DD u+05E2 "+
179      "u+05D1 u+05E8 u+05D9 u+05EA",
180     "4dbcagdahymbxekheh6e0a7fei0b"},
181     {"(F) Hindi (Devanagari):",
182     "u+092F u+0939 u+0932 u+094B u+0917 u+0939 u+093F u+0928 u+094D "+
183      "u+0926 u+0940 u+0915 u+094D u+092F u+094B u+0902 u+0928 u+0939 "+
184      "u+0940 u+0902 u+092C u+094B u+0932 u+0938 u+0915 u+0924 u+0947 "+
185      "u+0939 u+0948 u+0902",
186     "i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"},
187     {"(G) Japanese (kanji and hiragana):",
188     "u+306A u+305C u+307F u+3093 u+306A u+65E5 u+672C u+8A9E u+3092 "+
189      "u+8A71 u+3057 u+3066 u+304F u+308C u+306A u+3044 u+306E u+304B",
190     "n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"},
191     {"(H) Korean (Hangul syllables):",
192     "u+C138 u+ACC4 u+C758 u+BAA8 u+B4E0 u+C0AC u+B78C u+B4E4 u+C774 "+
193      "u+D55C u+AD6D u+C5B4 u+B97C u+C774 u+D574 u+D55C u+B2E4 u+BA74 "+
194      "u+C5BC u+B9C8 u+B098 u+C88B u+C744 u+AE4C",
195     "989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"+
196     "psd879ccm6fea98c"},
197     {"(I) Russian (Cyrillic):",
198     "U+043F u+043E u+0447 u+0435 u+043C u+0443 u+0436 u+0435 u+043E "+
199      "u+043D u+0438 u+043D u+0435 u+0433 u+043E u+0432 u+043E u+0440 "+
200      "u+044F u+0442 u+043F u+043E u+0440 u+0443 u+0441 u+0441 u+043A "+
201      "u+0438",
202     "b1abfaaepdrnnbgefbaDotcwatmq2g4l"},
203     {"(J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol",
204     "U+0050 u+006F u+0072 u+0071 u+0075 u+00E9 u+006E u+006F u+0070 "+
205      "u+0075 u+0065 u+0064 u+0065 u+006E u+0073 u+0069 u+006D u+0070 "+
206      "u+006C u+0065 u+006D u+0065 u+006E u+0074 u+0065 u+0068 u+0061 "+
207      "u+0062 u+006C u+0061 u+0072 u+0065 u+006E U+0045 u+0073 u+0070 "+
208      "u+0061 u+00F1 u+006F u+006C",
209     "PorqunopuedensimplementehablarenEspaol-fmd56a"},
210     {"(K) Vietnamese:"+
211      "T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch"+
212      "<ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t",
213     "U+0054 u+1EA1 u+0069 u+0073 u+0061 u+006F u+0068 u+1ECD u+006B "+
214      "u+0068 u+00F4 u+006E u+0067 u+0074 u+0068 u+1EC3 u+0063 u+0068 "+
215      "u+1EC9 u+006E u+00F3 u+0069 u+0074 u+0069 u+1EBF u+006E u+0067 "+
216      "U+0056 u+0069 u+1EC7 u+0074",
217     "TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"},
218     {"(L) 3<nen>B<gumi><kinpachi><sensei>",
219      "u+0033 u+5E74 U+0042 u+7D44 u+91D1 u+516B u+5148 u+751F",
220     "3B-ww4c5e180e575a65lsy2b"},
221     {"(M) <amuro><namie>-with-SUPER-MONKEYS",
222      "u+5B89 u+5BA4 u+5948 u+7F8E u+6075 u+002D u+0077 u+0069 u+0074 "+
223      "u+0068 u+002D U+0053 U+0055 U+0050 U+0045 U+0052 u+002D U+004D "+
224      "U+004F U+004E U+004B U+0045 U+0059 U+0053",
225     "-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"},
226     {"(N) Hello-Another-Way-<sorezore><no><basho>",
227     "U+0048 u+0065 u+006C u+006C u+006F u+002D U+0041 u+006E u+006F "+
228      "u+0074 u+0068 u+0065 u+0072 u+002D U+0057 u+0061 u+0079 u+002D "+
229      "u+305D u+308C u+305E u+308C u+306E u+5834 u+6240",
230     "Hello-Another-Way--fc4qua05auwb3674vfr0b"},
231     {"(O) <hitotsu><yane><no><shita>2",
232      "u+3072 u+3068 u+3064 u+5C4B u+6839 u+306E u+4E0B u+0032",
233     "2-u9tlzr9756bt3uc0v"},
234     {"(P) Maji<de>Koi<suru>5<byou><mae>",
235      "U+004D u+0061 u+006A u+0069 u+3067 U+004B u+006F u+0069 u+3059 "+
236      "u+308B u+0035 u+79D2 u+524D",
237     "MajiKoi5-783gue6qz075azm5e"},
238     {"(Q) <pafii>de<runba>",
239      "u+30D1 u+30D5 u+30A3 u+30FC u+0064 u+0065 u+30EB u+30F3 u+30D0",
240     "de-jg4avhby1noc0d"},
241     {"(R) <sono><supiido><de>",
242      "u+305D u+306E u+30B9 u+30D4 u+30FC u+30C9 u+3067",
243     "d9juau41awczczp"},
244     {"(S) -> $1.00 <-",
245      "u+002D u+003E u+0020 u+0024 u+0031 u+002E u+0030 u+0030 u+0020 "+
246      "u+003C u+002D",
247     "-> $1.00 <--"},
248   };
249 
250   public static void main(String[] argv) throws Exception {
251       PunycodeTest mytest = new PunycodeTest();
252       for (int i = 0; i < testdata.length; i++) {
253           String encodeResult = mytest.testEncoding(testdata[i][1]);
254           String decodeResult = mytest.testDecoding(testdata[i][2]);
255 
256           checkResult(encodeResult, testdata[i][2]);
257           checkResult(decodeResult, testdata[i][1]);
258       }
259 
260       System.out.println("Test cases: " + mytest.testCount);
261   }
262 
263   public static void checkResult(String actual, String expected) {
264       if (!actual.equals(expected)) {
265           System.out.printf("\n%15s: %s\n", "FAILED", actual);
266           System.out.printf("%15s: %s\n\n", "should be", expected);
267           throw new RuntimeException("Punycode test failed.");
268       } else {
269           System.out.printf("%15s: %s\n", "SUCCEEDED", actual);
270       }
271   }
272 
273 }