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 6431650

    26    @summary Check charset ISCII91 and C2B/B2CISCII91 yield same encoding/decoding result

    27  */

    28 

    29 

    30 import java.nio.*;

    31 import java.nio.charset.*;

    32 import sun.io.*;

    33 

    34 public class TestISCII91 {

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

    36         CharToByteConverter c2b = new CharToByteISCII91();

    37         ByteToCharConverter b2c = new ByteToCharISCII91();

    38         Charset cs = Charset.forName("ISCII91");

    39         String charsToEncode = getCharsForEncoding("ISCII91");

    40 

    41         byte [] c2bBytes = c2b.convertAll(charsToEncode.toCharArray());

    42         byte [] csBytes = cs.encode(charsToEncode).array();

    43         for (int i = 0; i < c2bBytes.length; ++i) {

    44             if (c2bBytes[i] != csBytes[i])

    45                 throw new RuntimeException("ISCII91 encoding failed!");

    46         }

    47 

    48         char[] c2bChars = b2c.convertAll(c2bBytes);

    49         char[] csChars = cs.decode(ByteBuffer.wrap(csBytes)).array();

    50         for (int i = 0; i < c2bChars.length; ++i) {

    51             if (c2bChars[i] != csChars[i])

    52                 throw new RuntimeException("ISCII91 decoding failed!");

    53         }

    54     }

    55 

    56 

    57     static String getCharsForEncoding(String encodingName)

    58         throws CharacterCodingException{

    59         Charset set = Charset.forName(encodingName);

    60         CharBuffer chars = CharBuffer.allocate(300);

    61         CharsetEncoder encoder = set.newEncoder();

    62         for (int c = 0; chars.remaining() > 0 && c < Character.MAX_VALUE; ++c) {

    63             if (Character.isDefined((char) c) && !Character.isISOControl((char) c) && encoder.canEncode((char) c)) {

    64                 chars.put((char) c);

    65             }

    66         }

    67         chars.limit(chars.position());

    68         chars.rewind();

    69         return chars.toString();

    70     }

    71 }