test/jdk/sun/nio/cs/JISAutoDetectTest.java
changeset 47216 71c04702a3d5
parent 44115 bb4e971bf5d4
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     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 /*
       
    25  * @test
       
    26  * @bug 4087261 4184592
       
    27  * @summary Make sure to determine Japanese text encoding as correctly
       
    28  * as possible.
       
    29  * @modules jdk.charsets
       
    30  */
       
    31 
       
    32 import java.nio.charset.*;
       
    33 import java.nio.*;
       
    34 
       
    35 public class JISAutoDetectTest {
       
    36 
       
    37     class TestData {
       
    38         byte[]  input;
       
    39         byte[]  input2;                 // for second call
       
    40         String  expectedCharset;
       
    41     }
       
    42     TestData[] data = new TestData[50];
       
    43 
       
    44     public static void main(String[] argv) throws Exception {
       
    45         JISAutoDetectTest test =  new JISAutoDetectTest();
       
    46         test.execute();
       
    47     }
       
    48 
       
    49     void execute() throws Exception {
       
    50         CharBuffer output = CharBuffer.allocate(128);
       
    51         CharBuffer expectedOutput = CharBuffer.allocate(128);
       
    52 
       
    53         for (int i = 0; i < data.length; i++) {
       
    54             if (data[i] == null)
       
    55                 break;
       
    56 
       
    57             CharsetDecoder autoDetect = Charset.forName("JISAutoDetect").newDecoder();
       
    58             CharsetDecoder dec = Charset.forName(data[i].expectedCharset).newDecoder();
       
    59             CoderResult ncr, mcr;
       
    60             output.clear();
       
    61             expectedOutput.clear();
       
    62             ncr = autoDetect.decode(ByteBuffer.wrap(data[i].input),
       
    63                                     output,
       
    64                                     true);
       
    65             mcr = dec.decode(ByteBuffer.wrap(data[i].input),
       
    66                              expectedOutput,
       
    67                              true);
       
    68 
       
    69             if (data[i].input2 != null) {
       
    70                 ncr = autoDetect.decode(ByteBuffer.wrap(data[i].input2),
       
    71                                        output,
       
    72                                        true);
       
    73                 mcr = dec.decode(ByteBuffer.wrap(data[i].input2),
       
    74                                  expectedOutput,
       
    75                                  true);
       
    76             }
       
    77             String testNumber = " (test#: " + i + ")";
       
    78             if (ncr != mcr)
       
    79                 throw new Exception("JISAutoDetect returned a wrong result");
       
    80             output.flip();
       
    81             expectedOutput.flip();
       
    82             if (output.limit() != expectedOutput.limit())
       
    83                 throw new Exception("JISAutoDetect returned a wrong length"+testNumber);
       
    84 
       
    85             for (int x = 0; x < output.limit(); x++) {
       
    86                 if (expectedOutput.charAt(x) != output.charAt(x))
       
    87                     throw new Exception("JISAutoDetect returned a wrong string"+testNumber);
       
    88             }
       
    89         }
       
    90     }
       
    91 
       
    92     public JISAutoDetectTest() {
       
    93         int i = 0;
       
    94 
       
    95         // 0
       
    96         data[i] = new TestData();
       
    97         data[i].input = new byte[] { (byte)'C', (byte)'o', (byte)'p', (byte)'y',
       
    98                                      (byte)'r', (byte)'i', (byte)'g', (byte)'h',
       
    99                                      (byte)'t', (byte)' ', (byte)0xa9, (byte)' ',
       
   100                                      (byte)'1', (byte)'9', (byte)'9', (byte)'8' };
       
   101         data[i].expectedCharset = "SJIS";
       
   102 
       
   103         // 1
       
   104         i++;
       
   105         data[i] = new TestData();
       
   106         data[i].input = new byte[] { (byte)0xbb, (byte)0xdd, (byte)0xcf, (byte)0xb2,
       
   107                                      (byte)0xb8, (byte)0xdb, (byte)0xbc, (byte)0xbd,
       
   108                                      (byte)0xc3, (byte)0xd1, (byte)0xbd, (byte)0xde,
       
   109                                      (byte)0x82, (byte)0xc5, (byte)0x82, (byte)0xb7 };
       
   110         data[i].expectedCharset = "SJIS";
       
   111 
       
   112         // 2
       
   113         i++;
       
   114         data[i] = new TestData();
       
   115         data[i].input = new byte[] { (byte)0xbb, (byte)0xdd, (byte)0xcf, (byte)0xb2,
       
   116                                      (byte)0xb8, (byte)0xdb, (byte)0xbc, (byte)0xbd,
       
   117                                      (byte)0xc3, (byte)0xd1, (byte)0xbd, (byte)0xde};
       
   118         data[i].expectedCharset = "SJIS";
       
   119 
       
   120         // 3
       
   121         i++;
       
   122         data[i] = new TestData();
       
   123         data[i].input = new byte[] { (byte)0xbb, (byte)0xdd, (byte)0xcf, (byte)0xb2,
       
   124                                      (byte)0xb8, (byte)0xdb, (byte)0xbc, (byte)0xbd,
       
   125                                      (byte)0xc3, (byte)0xd1, (byte)0xbd };
       
   126         data[i].expectedCharset = "SJIS";
       
   127 
       
   128         // 4
       
   129         i++;
       
   130         data[i] = new TestData();
       
   131         data[i].input = new byte[] { (byte)0x8f, (byte)0xa1, (byte)0xaa };
       
   132         data[i].expectedCharset = "SJIS";
       
   133 
       
   134         // 5
       
   135         i++;
       
   136         data[i] = new TestData();
       
   137         data[i].input = new byte[] { (byte)0xa4, (byte)0xd2, (byte)0xa4, (byte)0xe9,
       
   138                                      (byte)0xa4, (byte)0xac, (byte)0xa4, (byte)0xca };
       
   139         data[i].expectedCharset = "EUC_JP";
       
   140 
       
   141         // 6
       
   142         i++;
       
   143         data[i] = new TestData();
       
   144         data[i].input = new byte[] { (byte)0xbb, (byte)0xdd, (byte)0xcf, (byte)0xb2,
       
   145                                      (byte)0xb8, (byte)0xdb, (byte)0xbc, (byte)0xbd,
       
   146                                      (byte)0xc3, (byte)0xd1, (byte)0xbd, (byte)0xde,
       
   147                                      (byte)0xa4, (byte)0xc7, (byte)0xa4, (byte)0xb9 };
       
   148         data[i].expectedCharset = "EUC_JP";
       
   149 
       
   150         // 7 (for 4184592)
       
   151         i++;
       
   152         data[i] = new TestData();
       
   153         data[i].input = new byte[] { (byte)'a', (byte)'b', (byte)'c' };
       
   154         data[i].input2 = new byte[] { (byte)0x1b, (byte)'$', (byte)'B',
       
   155                                       (byte)'#', (byte)'4', (byte)'$', (byte)'5',
       
   156                                       (byte)0x1b, (byte)'(', (byte)'B' };
       
   157         data[i].expectedCharset = "ISO2022JP";
       
   158     }
       
   159 }