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 /*

    25  * @test

    26  * @bug 4734607 4767225 4863613

    27  * @summary Decode a file using EUC-TW, test for decode errors

    28  * @modules jdk.charsets

    29  * @run main EUCTWBufferBoundaryDecodeTest

    30  */

    31 import java.io.BufferedReader;

    32 import java.io.BufferedWriter;

    33 import java.io.ByteArrayOutputStream;

    34 import java.io.File;

    35 import java.io.FileInputStream;

    36 import java.io.InputStreamReader;

    37 import java.io.OutputStreamWriter;

    38 

    39 /*

    40  * Tests for decode errors in NIO EUC-TW decoder. 4734607 details

    41  * decoding errors which occur when the input file > 8k in size

    42  * and contains numerous US-ASCII range chars

    43  */

    44 public class EUCTWBufferBoundaryDecodeTest {

    45 

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

    47         final String inputFileName

    48                 = System.getProperty("os.name").startsWith("Windows")

    49                 ? "tradChinese.win.po"

    50                 : "tradChinese.po";

    51 

    52         ByteArrayOutputStream bos = new ByteArrayOutputStream(1024 * 120);

    53 

    54         File inputFile = new File(System.getProperty("test.src"), inputFileName);

    55         FileInputStream fis = new FileInputStream(inputFile);

    56 

    57         // Decode the EUC_TW source file, re-encode it -- (roundtrip)

    58         // input and output files ought to be byte for byte identical

    59         BufferedReader bin

    60                 = new BufferedReader(new InputStreamReader(fis, "EUC_TW"));

    61         BufferedWriter bout

    62                 = new BufferedWriter(new OutputStreamWriter(bos, "EUC-TW"));

    63 

    64         String line = bin.readLine();

    65 

    66         while (line != null) {

    67             bout.write(line);

    68             bout.newLine();

    69             line = bin.readLine();

    70         }

    71 

    72         bout.close();

    73         bin.close();

    74 

    75         // Compare the output with the expected output byte by byte

    76         byte[] outputBytes = bos.toByteArray();

    77         int i = 0;

    78         FileInputStream fi = new FileInputStream(inputFile);

    79 

    80         while (i < outputBytes.length) {

    81             byte b = (byte) fi.read();

    82             if (b != outputBytes[i++]) {

    83                 throw new Exception("bug 4734607: test failed");

    84             }

    85         }

    86         fi.close();

    87     }

    88 }