/*
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/* @test
@bug 4122961
@summary Verify that converters don't drop characters on buffer boundaries
This is a slightly modified version of the attachment supplied with the
bug report.
*/
import java.io.*;
public class TestConverterDroppedCharacters {
public static void main(String args[])
throws java.io.IOException, java.io.UnsupportedEncodingException,
java.io.FileNotFoundException
{
/* Try misc. encodings, many are broken. */
tryEncoding("Big5");
tryEncoding("CNS11643");
tryEncoding("Cp1006");
tryEncoding("Cp1381");
tryEncoding("Cp33722");
tryEncoding("GB2312");
tryEncoding("KSC5601");
tryEncoding("SJIS");
tryEncoding("UTF8");
}
static void tryEncoding(String encoding)
throws java.io.IOException, java.io.UnsupportedEncodingException,
java.io.FileNotFoundException
{
String filename = "OUTPUT";
int goesBadAfter = 8193;
int i;
char data[] = new char[goesBadAfter+1];
System.out.println("Testing " + encoding);
/* Create some data */
for(i = 0; i < goesBadAfter; i++) {
data[i] = (char)((i % 0x7f) + 1);
}
/* Write the data out to a file. */
FileOutputStream fout = new FileOutputStream(filename);
OutputStreamWriter ow = new OutputStreamWriter(fout, encoding);
BufferedWriter fd = new BufferedWriter(ow);
fd.write(data,0,goesBadAfter);
fd.close();
/* Now read it back with the same encoding. */
char buf[] = new char[goesBadAfter+1];
FileInputStream fin = new FileInputStream("OUTPUT");
InputStreamReader ir = new InputStreamReader(fin, encoding);
ir.read(buf,0,goesBadAfter);
ir.close();
/* And check to see if what we wrote is what we got back. */
for(i = 0; i < goesBadAfter; i++) {
if (data[i] != buf[i]) {
System.out.println("ERROR with encoding " + encoding
+ ": Data wrong at position " + i + " "
+ "in: " + (int)data[i] + " "
+ "out: " + (int)buf[i]);
throw new RuntimeException();
}
}
System.out.println("Successfully tested " + encoding);
}
}