94 lines
3.4 KiB
Java
94 lines
3.4 KiB
Java
/*
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* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4122961
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* @summary Verify that converters don't drop characters on buffer boundaries
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* This is a slightly modified version of the attachment supplied with the
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* bug report.
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* @modules jdk.charsets
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*/
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import java.io.*;
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public class TestConverterDroppedCharacters {
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public static void main(String args[])
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throws java.io.IOException, java.io.UnsupportedEncodingException,
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java.io.FileNotFoundException
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{
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/* Try misc. encodings, many are broken. */
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tryEncoding("Big5");
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tryEncoding("CNS11643");
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tryEncoding("Cp1006");
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tryEncoding("Cp1381");
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tryEncoding("Cp33722");
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tryEncoding("GB2312");
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tryEncoding("KSC5601");
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tryEncoding("SJIS");
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tryEncoding("UTF8");
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}
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static void tryEncoding(String encoding)
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throws java.io.IOException, java.io.UnsupportedEncodingException,
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java.io.FileNotFoundException
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{
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String filename = "OUTPUT";
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int goesBadAfter = 8193;
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int i;
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char data[] = new char[goesBadAfter+1];
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System.out.println("Testing " + encoding);
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/* Create some data */
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for(i = 0; i < goesBadAfter; i++) {
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data[i] = (char)((i % 0x7f) + 1);
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}
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/* Write the data out to a file. */
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FileOutputStream fout = new FileOutputStream(filename);
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OutputStreamWriter ow = new OutputStreamWriter(fout, encoding);
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BufferedWriter fd = new BufferedWriter(ow);
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fd.write(data,0,goesBadAfter);
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fd.close();
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/* Now read it back with the same encoding. */
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char buf[] = new char[goesBadAfter+1];
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FileInputStream fin = new FileInputStream("OUTPUT");
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InputStreamReader ir = new InputStreamReader(fin, encoding);
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ir.read(buf,0,goesBadAfter);
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ir.close();
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/* And check to see if what we wrote is what we got back. */
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for(i = 0; i < goesBadAfter; i++) {
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if (data[i] != buf[i]) {
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System.out.println("ERROR with encoding " + encoding
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+ ": Data wrong at position " + i + " "
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+ "in: " + (int)data[i] + " "
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+ "out: " + (int)buf[i]);
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throw new RuntimeException();
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}
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}
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System.out.println("Successfully tested " + encoding);
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}
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}
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