| /* |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @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. |
| * @modules jdk.charsets |
| */ |
| 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); |
| } |
| } |