1 /*
2 * Copyright (c) 2009, 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 /*
25 * @test
26 * @bug 1234567
27 * @summary Test updated X11 charsets
28 * @build X11GB2312_OLD X11GBK_OLD X11KSC5601_OLD
29 */
30
31 import java.nio.charset.*;
32 import java.nio.*;
33 import java.util.*;
34
35 public class TestX11CS {
36
37 static char[] decode(byte[] bb, Charset cs)
38 throws Exception {
39 CharsetDecoder dec = cs.newDecoder();
40 ByteBuffer bbf = ByteBuffer.wrap(bb);
41 CharBuffer cbf = CharBuffer.allocate(bb.length);
42 CoderResult cr = dec.decode(bbf, cbf, true);
43 if (cr != CoderResult.UNDERFLOW) {
44 System.out.println("DEC-----------------");
45 int pos = bbf.position();
46 System.out.printf(" cr=%s, bbf.pos=%d, bb[pos]=%x,%x,%x,%x%n",
47 cr.toString(), pos,
48 bb[pos++]&0xff, bb[pos++]&0xff,bb[pos++]&0xff, bb[pos++]&0xff);
49 throw new RuntimeException("Decoding err: " + cs.name());
50 }
51 char[] cc = new char[cbf.position()];
52 cbf.flip(); cbf.get(cc);
53 return cc;
54
55 }
56
57 static byte[] encode(char[] cc, Charset cs)
58 throws Exception {
59 ByteBuffer bbf = ByteBuffer.allocate(cc.length * 4);
60 CharBuffer cbf = CharBuffer.wrap(cc);
61 CharsetEncoder enc = cs.newEncoder();
62
63 CoderResult cr = enc.encode(cbf, bbf, true);
64 if (cr != CoderResult.UNDERFLOW) {
65 System.out.println("ENC-----------------");
66 int pos = cbf.position();
67 System.out.printf(" cr=%s, cbf.pos=%d, cc[pos]=%x%n",
68 cr.toString(), pos, cc[pos]&0xffff);
69 throw new RuntimeException("Encoding err: " + cs.name());
70 }
71 byte[] bb = new byte[bbf.position()];
72 bbf.flip(); bbf.get(bb);
73 return bb;
74 }
75
76 static char[] getChars(Charset newCS, Charset oldCS) {
77 CharsetEncoder enc = oldCS.newEncoder();
78 CharsetEncoder encNew = newCS.newEncoder();
79 char[] cc = new char[0x10000];
80 int pos = 0;
81 int i = 0;
82 while (i < 0x10000) {
83 if (enc.canEncode((char)i) != encNew.canEncode((char)i)) {
84 System.out.printf(" Err i=%x%n", i);
85 //throw new RuntimeException("canEncode() err!");
86 }
87 if (enc.canEncode((char)i)) {
88 cc[pos++] = (char)i;
89 }
90 i++;
91 }
92 return Arrays.copyOf(cc, pos);
93 }
94
95 static void compare(Charset newCS, Charset oldCS) throws Exception {
96 System.out.printf(" Diff <%s> <%s>...%n", newCS.name(), oldCS.name());
97 char[] cc = getChars(newCS, oldCS);
98
99 byte[] bb1 = encode(cc, newCS);
100 byte[] bb2 = encode(cc, oldCS);
101
102 if (!Arrays.equals(bb1, bb2)) {
103 System.out.printf(" encoding failed!%n");
104 }
105 char[] cc1 = decode(bb1, newCS);
106 char[] cc2 = decode(bb1, oldCS);
107 if (!Arrays.equals(cc1, cc2)) {
108 for (int i = 0; i < cc1.length; i++) {
109 if (cc1[i] != cc2[i]) {
110 System.out.printf("i=%d, cc1=%x cc2=%x, bb=<%x%x>%n",
111 i,
112 cc1[i]&0xffff, cc2[i]&0xffff,
113 bb1[i*2]&0xff, bb1[i*2+1]&0xff);
114 }
115
116 }
117
118 System.out.printf(" decoding failed%n");
119 }
120 }
121
122 public static void main(String[] args) throws Exception {
123 compare(new sun.awt.motif.X11GBK(),
124 new X11GBK_OLD());
125
126 compare(new sun.awt.motif.X11GB2312(),
127 new X11GB2312_OLD());
128
129 compare(new sun.awt.motif.X11KSC5601(),
130 new X11KSC5601_OLD());
131
132 }
133 }