1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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  *
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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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  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 }