1 /*

     2  * Copyright (c) 2018, 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 8211382

    26  * @summary Check GB18030

    27  * @modules jdk.charsets

    28  */

    29 

    30 import java.io.*;

    31 import java.nio.*;

    32 import java.nio.charset.*;

    33 

    34 public class TestGB18030 {

    35     public static void gb18030_1(boolean useDirect) throws Exception {

    36         for(char ch : new char[]{'\uFFFE', '\uFFFF'}) {

    37             char[] ca = new char[]{ch};

    38             Charset cs = Charset.forName("GB18030");

    39             CharsetEncoder ce = cs.newEncoder();

    40             CharsetDecoder cd = cs.newDecoder();

    41             CharBuffer cb = CharBuffer.wrap(ca);

    42             ByteBuffer bb;

    43             if (useDirect) {

    44                 bb = ByteBuffer.allocateDirect(

    45                     (int)Math.ceil(ce.maxBytesPerChar()));

    46             } else {

    47                 bb = ByteBuffer.allocate(

    48                     (int)Math.ceil(ce.maxBytesPerChar()));

    49             }

    50             CoderResult cr = ce.encode(cb, bb, true);

    51             if (!cr.isUnderflow()) {

    52                 throw new RuntimeException(

    53                     String.format("Encoder Error: \\u%04X: direct=%b: %s",

    54                         (int)ch,

    55                         useDirect,

    56                         cr.toString()));

    57             }

    58             bb.position(0);

    59             cb = CharBuffer.allocate((int)Math.ceil(

    60                 cd.maxCharsPerByte()*bb.limit()));

    61             cr = cd.decode(bb, cb, true);

    62             if (!cr.isUnderflow()) {

    63                 throw new RuntimeException(

    64                     String.format("Decoder Error: \\u%04X: direct=%b: %s",

    65                         (int)ch,

    66                         useDirect,

    67                         cr.toString()));

    68             }

    69             if (ca[0] != cb.get(0)) {

    70                 throw new RuntimeException(

    71                     String.format("direct=%b: \\u%04X <> \\u%04X",

    72                         useDirect,

    73                         (int)ca[0],

    74                         (int)cb.get(0)));

    75             }

    76         }

    77     }

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

    79         gb18030_1(false);

    80         gb18030_1(true);

    81     }

    82 }