1 /*
   2  * Copyright (c) 1997, 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 /* @test
  25    @bug 4074388
  26    @summary Check for correct implementation of RandomAccessFile.writeBytes
  27    and writeChars.
  28    */
  29 
  30 import java.io.*;
  31 
  32 public class WriteBytesChars {
  33 
  34     public static void main(String args[]) throws Exception {
  35         String towrite;
  36         char[] buf = new char[80];
  37         byte[] b = new byte[80];
  38         File fn = new File("x.WriteBytesChars");
  39 
  40         RandomAccessFile raf = new RandomAccessFile(fn , "rw");;
  41         try {
  42             for (int i = 0; i < 80; i++) {
  43                 buf[i] = 'a';
  44             }
  45             towrite = new String(buf);
  46 
  47             raf.writeBytes(towrite);
  48             raf.seek(0);
  49             raf.read(b);
  50 
  51             System.out.println("RandomAccessFile.writeBytes");
  52             if (towrite.equals(new String(b))) {
  53                 System.err.println("Test succeeded.");
  54             } else {
  55                 throw new
  56                     RuntimeException("RandomAccessFile.writeBytes, wrong result");
  57             }
  58 
  59             raf.seek(0);
  60             raf.writeChars(towrite);
  61             raf.seek(0);
  62             for (int i = 0; i < 80; i++) {
  63                 buf[i] = raf.readChar();
  64             }
  65 
  66             System.out.println("RandomAccessFile.writeChars");
  67             if (towrite.equals(new String(buf))) {
  68                 System.err.println("Test succeeded.");
  69             } else {
  70                 throw new
  71                     RuntimeException("RandomAccessFile.writeChars, wrong result");
  72             }
  73         } finally {
  74             raf.close();
  75             fn.delete();
  76         }
  77     }
  78 }