1 /*
2  * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
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 /* @test
25    @bug 4890726
26    @summary Check the correctness of KOI8_U by comparing to KOI8_R
27  */
28 
29 import java.util.*;
30 import static java.lang.Character.UnicodeBlock;
31 
32 public class UkrainianIsNotRussian {
decode(byte[] bytes, String encoding)33     private static String decode(byte[] bytes, String encoding) throws Throwable {
34         String s = new String(bytes, encoding);
35         equal(s.length(), 1);
36         check(Arrays.equals(s.getBytes(encoding), bytes));
37         return s;
38     }
39 
realMain(String[] args)40     private static void realMain(String[] args) throws Throwable {
41         final byte[] bytes = new byte[1];
42         int differences = 0;
43         for (int i = 0; i < 0xff; i++) {
44             bytes[0] = (byte) i;
45             final String r = decode(bytes, "KOI8_R");
46             final String u = decode(bytes, "KOI8_U");
47             if (! r.equals(u)) {
48                 differences++;
49                 final char rc = r.charAt(0);
50                 final char uc = u.charAt(0);
51                 final UnicodeBlock rcb = UnicodeBlock.of(rc);
52                 final UnicodeBlock ucb = UnicodeBlock.of(uc);
53                 System.out.printf("%02x => %04x %s, %04x %s%n",
54                                   i, (int) rc, rcb, (int) uc, ucb);
55                 check(rcb == UnicodeBlock.BOX_DRAWING &&
56                       ucb == UnicodeBlock.CYRILLIC);
57             }
58         }
59         equal(differences, 8);
60     }
61 
62     //--------------------- Infrastructure ---------------------------
63     static volatile int passed = 0, failed = 0;
pass()64     static void pass() {passed++;}
fail()65     static void fail() {failed++; Thread.dumpStack();}
fail(String msg)66     static void fail(String msg) {System.out.println(msg); fail();}
unexpected(Throwable t)67     static void unexpected(Throwable t) {failed++; t.printStackTrace();}
check(boolean cond)68     static void check(boolean cond) {if (cond) pass(); else fail();}
equal(Object x, Object y)69     static void equal(Object x, Object y) {
70         if (x == null ? y == null : x.equals(y)) pass();
71         else fail(x + " not equal to " + y);}
main(String[] args)72     public static void main(String[] args) throws Throwable {
73         try {realMain(args);} catch (Throwable t) {unexpected(t);}
74         System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
75         if (failed > 0) throw new AssertionError("Some tests failed");}
76 }
77